RX23E-A

Features

32MHz RXv2 core (5.05 CoreMark/MHz*), DSP/FPU for digital signal processing
- *Typical for RXv2 core
Operating temperature: -40°C to 85°C or -40°C to 105°C
Large-capacity memory: 256KB code flash, 32KB SRAM
8KB data flash that can store data like an EEPROM
6mm square 40-pin (HWQFN) or 7mm square 48-pin (LFQFP) small package lineup
Up to 20 general-purpose I/O ports
CAN (ISO 11898-1 compliant, up to 1Mbps transfer)
Various other communication interfaces (SCI, IIC, RSPI, etc.)
Analog front-end
- 24-bit delta-sigma (ΔΣ) A/D converters: Up to 23-bit effective resolution, programmable data rate 7.6sps to 15.6ksps
  - Dual 24-bit ΔΣ A/D converters (R5F523ExAxxx)
  - Single 24-bit ΔΣ A/D converter (R5F523ExSxxx)
- PGA: Rail-to-rail analog input, gain 1 to 128, offset drift 10 nV/°C, gain drift 1 ppm/°C
- Voltage reference: low drift 10ppm/°C with good temperature stability
- Excitation current source: Matched programmable current source

Find Other Products in RX 32-Bit Performance/Efficiency MCUs

Pin-Memory Diagram of RX23E-A standard products

Pin-Memory Diagram of RX23E-A High-temperature products

RX-E series with High Precision ADC for Industrial Sensors

RX23E-A Block Diagram

Description

The RX23E-A group microcontrollers are equipped with an analog front-end that can measure temperature, pressure, flow, and weight with less than 0.1% precision without calibration, making it ideal for high-precision sensing, test and measurement equipment. The CPU is equipped with an RXv2 core that excels in DSP/FPU operations, enabling high-accuracy measurement, control and communication with a single chip.

Parameters

Attributes	Value
Main CPU	RXv2
Program Memory (KB)	128, 256
RAM (KB)	16, 32
Carrier Type	Bulk (Tray), Full Carton (Tray), Tape & Reel
Supply Voltage (V)	1.8 - 5.5
I/O Ports	17, 21
DRAM I/F	No
Temp. Range (°C)	Ta = -40 to +85, Ta = -40 to +105
Operating Freq (Max) (MHz)	32
Ethernet speed	No
Ethernet (ch)	0
EtherCat (ch) (#)	0
USB FS (host ch/device ch)	( 0 / 0 )
USB HS (host ch/device ch)	( 0 / 0 )
USB SS (host ch/device ch)	( 0 / 0 )
SCI or UART (ch)	3, 4
SPI (ch)	4, 5
I2C (#)	4, 5
CAN (ch)	1
CAN-FD (ch)	0
Wireless	No
SDHI (ch)	0
High Resolution Output Timer	No
PWM Output (pin#)	16
32-Bit Timer (ch)	0
16-Bit Timer (ch) (#)	9
8-Bit Timer (ch)	4
Standby operable timer	Yes
12-Bit A/D Converter (ch)	4, 6
24-Bit Sigma-Delta A/D Converter (ch)	8, 12
16-Bit D/A Converter (ch)	0
12-Bit D/A Converter (ch)	0
8-Bit D/A Converter (ch)	0
Capacitive Touch Sensing Unit (ch)	0
Segment LCD Controller	No
Security & Encryption	Unique ID

Package Options

Pkg. Type	Pkg. Dimensions (mm)	Lead Count (#)	Pitch (mm)
HWQFN	6 x 6 x 0.8	40	0.5
LFQFP	7 x 7 x 1.7	48	0.5

Application Block Diagrams

	Industrial Weighing Scale Accurate, scalable industrial scales for high-precision or portable low-power applications.
	Peltier Cooling and Heating Vests Air-conditioned work clothes with built-in fans and a Peltier cooler offer precise temperature control for challenging work environments.
	Torque Control System Precision torque control ensures product quality using MCUs with high-precision AFE and reliable sensors.
	Force Sensor System Force sensor system for accurate detection and calculations of strain gauge measurements.
	Wireless Multi-Channel Isolated Data Logger The wireless multi-channel isolated data logger offers multi-channel measurement for industrial networks and Wi-Fi.
	High-Precision Peltier Cooler System Precision-driven Peltier cooling system with real-time control, reduced BOM, and seamless industrial integration.
	Industrial Sensor Network Compact industrial sensor network system with flexible interfaces and real-time monitoring.
	Industrial Precision Temperature Control This system is ideal for industrial control processes providing accurate temperature measurements with a minimal number of components.

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Part Number	Status	Samples	Longevity	Stock	Package	Budgetary Price (USD)	Carrier Type	Family Name	Series Name	Group Name	CPU Architecture	Main CPU	Sub CPU	Floating Point Unit	Bit Length	Program Memory (KB)	Data Flash (KB)	RAM (KB)	ECC SRAM	Lead Count (#)	Pitch (mm)	Pkg. Dimensions (mm)	Number of Supply Voltage(s) (#)	Supply Voltage (V)	I/O Ports	DMAC or DTC	DMA (ch)	Temperature Sensor (ch) (#)	Power-On Reset	Watchdog Timer (ch)	External Memory Bus (bit)	DRAM I/F	3D GPU	Accelerator	MOQ	Temp. Range (°C)	External Interrupt Pins (#)	LVD or PVD	Operating Freq (Max) (MHz)	Sub-clock (32.768 kHz)	On-chip Oscillator	Ethernet speed	USB FS (host ch/device ch)	USB HS (host ch/device ch)	USB SS (host ch/device ch)	PCI Express (generation and ch)	SCI or UART (ch)	SPI (ch)	I2C (#)	CAN (ch)	Wireless	IrDA	High Resolution Output Timer	PWM Output (pin#)	16-Bit Timer (ch) (#)	8-Bit Timer (ch)	Standby operable timer	RTC	12-Bit A/D Converter (ch)	24-Bit Sigma-Delta A/D Converter (ch)	PGA (ch)	Graphics LCD Controller	Camera I/F (Parallel)	Image Codec	2D Drawing Engine	Segment LCD Controller	Security & Encryption	Debug Interface	Moisture Sensitivity Level (MSL)	Country of Assembly	Country of Wafer Fabrication
R5F523E5ADFL#10	Active	N/A	2041 Dec	In Stock	LFQFP	1ku \| $6.83	Full Carton (Tray)	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	128KB	8KB	16KB	No	48#	0.5mm	7 x 7 x 1.7	1#	1.8 - 5.5	21	DMAC&DTC	4	1#	Yes	1	No	No	No	No	2000	Ta = -40 to +85	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	4	5	5#	1	No	No	No	16	9#	4	Yes	No	6	12	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F523E5ADFL#30	Active	N/A		In Stock	LFQFP	1ku \| $6.83	Bulk (Tray)	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	128KB	8KB	16KB	No	48#	0.5mm	7 x 7 x 1.7	1#	1.8 - 5.5	21	DMAC&DTC	4	1#	Yes	1	No	No	No	No	1	Ta = -40 to +85	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	4	5	5#	1	No	No	No	16	9#	4	Yes	No	6	12	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F523E5ADFL#50	Active	N/A	2041 Dec	Out of Stock	LFQFP	1ku \| $6.83	Tape & Reel	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	128KB	8KB	16KB	No	48#	0.5mm	7 x 7 x 1.7	1#	1.8 - 5.5	21	DMAC&DTC	4	1#	Yes	1	No	No	No	No	2000	Ta = -40 to +85	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	4	5	5#	1	No	No	No	16	9#	4	Yes	No	6	12	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F523E5ADNF#00	Active	N/A	2036 Dec	Out of Stock	HWQFN	1ku \| $6.83	Full Carton (Tray)	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	128KB	8KB	16KB	No	40#	0.5mm	6 x 6 x 0.8	1#	1.8 - 5.5	17	DMAC&DTC	4	1#	Yes	1	No	No	No	No	3920	Ta = -40 to +85	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	3	4	4#	1	No	No	No	16	9#	4	Yes	No	4	8	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	TAIWAN	JAPAN
R5F523E5ADNF#20	Active	N/A	TBD	In Stock	HWQFN	1ku \| $6.83	Bulk (Tray)	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	128KB	8KB	16KB	No	40#	0.5mm	6 x 6 x 0.8	1#	1.8 - 5.5	17	DMAC&DTC	4	1#	Yes	1	No	No	No	No	1	Ta = -40 to +85	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	3	4	4#	1	No	No	No	16	9#	4	Yes	No	4	8	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	TAIWAN	JAPAN
R5F523E5ADNF#40	Active	N/A	2036 Dec	Out of Stock	HWQFN	1ku \| $6.83	Tape & Reel	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	128KB	8KB	16KB	No	40#	0.5mm	6 x 6 x 0.8	1#	1.8 - 5.5	17	DMAC&DTC	4	1#	Yes	1	No	No	No	No	2500	Ta = -40 to +85	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	3	4	4#	1	No	No	No	16	9#	4	Yes	No	4	8	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	TAIWAN	JAPAN
R5F523E5AGFL#10	Active	N/A	2041 Dec	In Stock	LFQFP	1ku \| $7.31	Full Carton (Tray)	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	128KB	8KB	16KB	No	48#	0.5mm	7 x 7 x 1.7	1#	1.8 - 5.5	21	DMAC&DTC	4	1#	Yes	1	No	No	No	No	2000	Ta = -40 to +105	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	4	5	5#	1	No	No	No	16	9#	4	Yes	No	6	12	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F523E5AGFL#30	Active	N/A		In Stock	LFQFP	1ku \| $7.31	Bulk (Tray)	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	128KB	8KB	16KB	No	48#	0.5mm	7 x 7 x 1.7	1#	1.8 - 5.5	21	DMAC&DTC	4	1#	Yes	1	No	No	No	No	1	Ta = -40 to +105	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	4	5	5#	1	No	No	No	16	9#	4	Yes	No	6	12	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F523E5AGFL#50	Active	N/A	2041 Dec	Out of Stock	LFQFP	1ku \| $7.31	Tape & Reel	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	128KB	8KB	16KB	No	48#	0.5mm	7 x 7 x 1.7	1#	1.8 - 5.5	21	DMAC&DTC	4	1#	Yes	1	No	No	No	No	2000	Ta = -40 to +105	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	4	5	5#	1	No	No	No	16	9#	4	Yes	No	6	12	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F523E5AGNF#00	Active	N/A	2036 Dec	Out of Stock	HWQFN	1ku \| $7.31	Full Carton (Tray)	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	128KB	8KB	16KB	No	40#	0.5mm	6 x 6 x 0.8	1#	1.8 - 5.5	17	DMAC&DTC	4	1#	Yes	1	No	No	No	No	3920	Ta = -40 to +105	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	3	4	4#	1	No	No	No	16	9#	4	Yes	No	4	8	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	TAIWAN	JAPAN
R5F523E5AGNF#20	Active	N/A	TBD	In Stock	HWQFN	1ku \| $7.31	Bulk (Tray)	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	128KB	8KB	16KB	No	40#	0.5mm	6 x 6 x 0.8	1#	1.8 - 5.5	17	DMAC&DTC	4	1#	Yes	1	No	No	No	No	1	Ta = -40 to +105	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	3	4	4#	1	No	No	No	16	9#	4	Yes	No	4	8	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	TAIWAN	JAPAN
R5F523E5AGNF#40	Active	N/A	2036 Dec	Out of Stock	HWQFN	1ku \| $7.31	Tape & Reel	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	128KB	8KB	16KB	No	40#	0.5mm	6 x 6 x 0.8	1#	1.8 - 5.5	17	DMAC&DTC	4	1#	Yes	1	No	No	No	No	2500	Ta = -40 to +105	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	3	4	4#	1	No	No	No	16	9#	4	Yes	No	4	8	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	TAIWAN	JAPAN
R5F523E5SDFL#10	Active	N/A	2038 Dec	In Stock	LFQFP	1ku \| $4.63	Full Carton (Tray)	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	128KB	8KB	16KB	No	48#	0.5mm	7 x 7 x 1.7	1#	1.8 - 5.5	21	DMAC&DTC	4	1#	Yes	1	No	No	No	No	2000	Ta = -40 to +85	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	4	5	5#	1	No	No	No	16	9#	4	Yes	No	6	12	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F523E5SDFL#30	Active	N/A	TBD	In Stock	LFQFP	1ku \| $4.63	Bulk (Tray)	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	128KB	8KB	16KB	No	48#	0.5mm	7 x 7 x 1.7	1#	1.8 - 5.5	21	DMAC&DTC	4	1#	Yes	1	No	No	No	No	1	Ta = -40 to +85	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	4	5	5#	1	No	No	No	16	9#	4	Yes	No	6	12	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F523E5SDFL#50	Active	N/A	2041 Dec	Out of Stock	LFQFP	1ku \| $4.63	Tape & Reel	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	128KB	8KB	16KB	No	48#	0.5mm	7 x 7 x 1.7	1#	1.8 - 5.5	21	DMAC&DTC	4	1#	Yes	1	No	No	No	No	2000	Ta = -40 to +85	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	4	5	5#	1	No	No	No	16	9#	4	Yes	No	6	12	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F523E5SDNF#00	Active	N/A	2036 Dec	Out of Stock	HWQFN	1ku \| $4.63	Full Carton (Tray)	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	128KB	8KB	16KB	No	40#	0.5mm	6 x 6 x 0.8	1#	1.8 - 5.5	17	DMAC&DTC	4	1#	Yes	1	No	No	No	No	3920	Ta = -40 to +85	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	3	4	4#	1	No	No	No	16	9#	4	Yes	No	4	8	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	TAIWAN	JAPAN
R5F523E5SDNF#20	Active	N/A	TBD	In Stock	HWQFN	1ku \| $4.63	Bulk (Tray)	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	128KB	8KB	16KB	No	40#	0.5mm	6 x 6 x 0.8	1#	1.8 - 5.5	17	DMAC&DTC	4	1#	Yes	1	No	No	No	No	1	Ta = -40 to +85	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	3	4	4#	1	No	No	No	16	9#	4	Yes	No	4	8	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	TAIWAN	JAPAN
R5F523E5SDNF#40	Active	N/A	2036 Dec	Out of Stock	HWQFN	1ku \| $4.63	Tape & Reel	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	128KB	8KB	16KB	No	40#	0.5mm	6 x 6 x 0.8	1#	1.8 - 5.5	17	DMAC&DTC	4	1#	Yes	1	No	No	No	No	2500	Ta = -40 to +85	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	3	4	4#	1	No	No	No	16	9#	4	Yes	No	4	8	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	TAIWAN	JAPAN
R5F523E5SGFL#10	Active	N/A	2038 Dec	In Stock	LFQFP	1ku \| $4.96	Full Carton (Tray)	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	128KB	8KB	16KB	No	48#	0.5mm	7 x 7 x 1.7	1#	1.8 - 5.5	21	DMAC&DTC	4	1#	Yes	1	No	No	No	No	2000	Ta = -40 to +105	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	4	5	5#	1	No	No	No	16	9#	4	Yes	No	6	12	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F523E5SGFL#30	Active	N/A	TBD	In Stock	LFQFP	1ku \| $4.96	Bulk (Tray)	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	128KB	8KB	16KB	No	48#	0.5mm	7 x 7 x 1.7	1#	1.8 - 5.5	21	DMAC&DTC	4	1#	Yes	1	No	No	No	No	1	Ta = -40 to +105	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	4	5	5#	1	No	No	No	16	9#	4	Yes	No	6	12	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F523E5SGFL#50	Active	N/A	2041 Dec	Out of Stock	LFQFP	1ku \| $4.96	Tape & Reel	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	128KB	8KB	16KB	No	48#	0.5mm	7 x 7 x 1.7	1#	1.8 - 5.5	21	DMAC&DTC	4	1#	Yes	1	No	No	No	No	2000	Ta = -40 to +105	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	4	5	5#	1	No	No	No	16	9#	4	Yes	No	6	12	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F523E5SGNF#00	Active	N/A	2036 Dec	Out of Stock	HWQFN	1ku \| $4.96	Full Carton (Tray)	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	128KB	8KB	16KB	No	40#	0.5mm	6 x 6 x 0.8	1#	1.8 - 5.5	17	DMAC&DTC	4	1#	Yes	1	No	No	No	No	3920	Ta = -40 to +105	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	3	4	4#	1	No	No	No	16	9#	4	Yes	No	4	8	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	TAIWAN	JAPAN
R5F523E5SGNF#20	Active	N/A	TBD	In Stock	HWQFN	1ku \| $4.96	Bulk (Tray)	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	128KB	8KB	16KB	No	40#	0.5mm	6 x 6 x 0.8	1#	1.8 - 5.5	17	DMAC&DTC	4	1#	Yes	1	No	No	No	No	1	Ta = -40 to +105	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	3	4	4#	1	No	No	No	16	9#	4	Yes	No	4	8	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	TAIWAN	JAPAN
R5F523E5SGNF#40	Active	N/A	2036 Dec	Out of Stock	HWQFN	1ku \| $4.96	Tape & Reel	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	128KB	8KB	16KB	No	40#	0.5mm	6 x 6 x 0.8	1#	1.8 - 5.5	17	DMAC&DTC	4	1#	Yes	1	No	No	No	No	2500	Ta = -40 to +105	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	3	4	4#	1	No	No	No	16	9#	4	Yes	No	4	8	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	TAIWAN	JAPAN
R5F523E6ADFL#10	Active	Available	2041 Dec	In Stock	LFQFP	1ku \| $7.11	Full Carton (Tray)	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	256KB	8KB	32KB	No	48#	0.5mm	7 x 7 x 1.7	1#	1.8 - 5.5	21	DMAC&DTC	4	1#	Yes	1	No	No	No	No	2000	Ta = -40 to +85	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	4	5	5#	1	No	No	No	16	9#	4	Yes	No	6	12	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F523E6ADFL#30	Active	Available		In Stock	LFQFP	1ku \| $7.11	Bulk (Tray)	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	256KB	8KB	32KB	No	48#	0.5mm	7 x 7 x 1.7	1#	1.8 - 5.5	21	DMAC&DTC	4	1#	Yes	1	No	No	No	No	1	Ta = -40 to +85	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	4	5	5#	1	No	No	No	16	9#	4	Yes	No	6	12	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F523E6ADFL#50	Active	N/A	2041 Dec	Out of Stock	LFQFP	1ku \| $7.11	Tape & Reel	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	256KB	8KB	32KB	No	48#	0.5mm	7 x 7 x 1.7	1#	1.8 - 5.5	21	DMAC&DTC	4	1#	Yes	1	No	No	No	No	2000	Ta = -40 to +85	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	4	5	5#	1	No	No	No	16	9#	4	Yes	No	6	12	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F523E6ADNF#00	Active	Available	2036 Dec	Out of Stock	HWQFN	1ku \| $7.11	Full Carton (Tray)	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	256KB	8KB	32KB	No	40#	0.5mm	6 x 6 x 0.8	1#	1.8 - 5.5	17	DMAC&DTC	4	1#	Yes	1	No	No	No	No	3920	Ta = -40 to +85	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	3	4	4#	1	No	No	No	16	9#	4	Yes	No	4	8	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	TAIWAN	JAPAN
R5F523E6ADNF#20	Active	N/A	TBD	In Stock	HWQFN	1ku \| $7.11	Bulk (Tray)	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	256KB	8KB	32KB	No	40#	0.5mm	6 x 6 x 0.8	1#	1.8 - 5.5	17	DMAC&DTC	4	1#	Yes	1	No	No	No	No	1	Ta = -40 to +85	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	3	4	4#	1	No	No	No	16	9#	4	Yes	No	4	8	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	TAIWAN	JAPAN
R5F523E6ADNF#40	Active	N/A	2036 Dec	Out of Stock	HWQFN	1ku \| $7.11	Tape & Reel	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	256KB	8KB	32KB	No	40#	0.5mm	6 x 6 x 0.8	1#	1.8 - 5.5	17	DMAC&DTC	4	1#	Yes	1	No	No	No	No	2500	Ta = -40 to +85	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	3	4	4#	1	No	No	No	16	9#	4	Yes	No	4	8	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	TAIWAN	JAPAN
R5F523E6AGFL#10	Active	Available	2041 Dec	In Stock	LFQFP	1ku \| $7.61	Full Carton (Tray)	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	256KB	8KB	32KB	No	48#	0.5mm	7 x 7 x 1.7	1#	1.8 - 5.5	21	DMAC&DTC	4	1#	Yes	1	No	No	No	No	2000	Ta = -40 to +105	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	4	5	5#	1	No	No	No	16	9#	4	Yes	No	6	12	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F523E6AGFL#30	Active	Available		In Stock	LFQFP	1ku \| $7.61	Bulk (Tray)	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	256KB	8KB	32KB	No	48#	0.5mm	7 x 7 x 1.7	1#	1.8 - 5.5	21	DMAC&DTC	4	1#	Yes	1	No	No	No	No	1	Ta = -40 to +105	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	4	5	5#	1	No	No	No	16	9#	4	Yes	No	6	12	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F523E6AGFL#50	Active	N/A	2041 Dec	Out of Stock	LFQFP	1ku \| $7.61	Tape & Reel	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	256KB	8KB	32KB	No	48#	0.5mm	7 x 7 x 1.7	1#	1.8 - 5.5	21	DMAC&DTC	4	1#	Yes	1	No	No	No	No	2000	Ta = -40 to +105	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	4	5	5#	1	No	No	No	16	9#	4	Yes	No	6	12	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F523E6AGNF#00	Active	Available	2036 Dec	Out of Stock	HWQFN	1ku \| $7.61	Full Carton (Tray)	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	256KB	8KB	32KB	No	40#	0.5mm	6 x 6 x 0.8	1#	1.8 - 5.5	17	DMAC&DTC	4	1#	Yes	1	No	No	No	No	3920	Ta = -40 to +105	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	3	4	4#	1	No	No	No	16	9#	4	Yes	No	4	8	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	TAIWAN	JAPAN
R5F523E6AGNF#20	Active	Available	TBD	In Stock	HWQFN	1ku \| $7.61	Bulk (Tray)	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	256KB	8KB	32KB	No	40#	0.5mm	6 x 6 x 0.8	1#	1.8 - 5.5	17	DMAC&DTC	4	1#	Yes	1	No	No	No	No	1	Ta = -40 to +105	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	3	4	4#	1	No	No	No	16	9#	4	Yes	No	4	8	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	TAIWAN	JAPAN
R5F523E6AGNF#40	Active	N/A	2036 Dec	Out of Stock	HWQFN	1ku \| $7.61	Tape & Reel	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	256KB	8KB	32KB	No	40#	0.5mm	6 x 6 x 0.8	1#	1.8 - 5.5	17	DMAC&DTC	4	1#	Yes	1	No	No	No	No	2500	Ta = -40 to +105	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	3	4	4#	1	No	No	No	16	9#	4	Yes	No	4	8	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	TAIWAN	JAPAN
R5F523E6SDFL#10	Active	N/A	2038 Dec	In Stock	LFQFP	1ku \| $4.91	Full Carton (Tray)	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	256KB	8KB	32KB	No	48#	0.5mm	7 x 7 x 1.7	1#	1.8 - 5.5	21	DMAC&DTC	4	1#	Yes	1	No	No	No	No	2000	Ta = -40 to +85	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	4	5	5#	1	No	No	No	16	9#	4	Yes	No	6	12	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F523E6SDFL#30	Active	N/A	TBD	In Stock	LFQFP	1ku \| $4.91	Bulk (Tray)	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	256KB	8KB	32KB	No	48#	0.5mm	7 x 7 x 1.7	1#	1.8 - 5.5	21	DMAC&DTC	4	1#	Yes	1	No	No	No	No	1	Ta = -40 to +85	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	4	5	5#	1	No	No	No	16	9#	4	Yes	No	6	12	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F523E6SDFL#50	Active	N/A	2041 Dec	Out of Stock	LFQFP	1ku \| $4.91	Tape & Reel	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	256KB	8KB	32KB	No	48#	0.5mm	7 x 7 x 1.7	1#	1.8 - 5.5	21	DMAC&DTC	4	1#	Yes	1	No	No	No	No	2000	Ta = -40 to +85	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	4	5	5#	1	No	No	No	16	9#	4	Yes	No	6	12	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F523E6SDNF#00	Active	N/A	2036 Dec	Out of Stock	HWQFN	1ku \| $4.91	Full Carton (Tray)	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	256KB	8KB	32KB	No	40#	0.5mm	6 x 6 x 0.8	1#	1.8 - 5.5	17	DMAC&DTC	4	1#	Yes	1	No	No	No	No	3920	Ta = -40 to +85	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	3	4	4#	1	No	No	No	16	9#	4	Yes	No	4	8	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	TAIWAN	JAPAN
R5F523E6SDNF#20	Active	N/A	TBD	In Stock	HWQFN	1ku \| $4.91	Bulk (Tray)	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	256KB	8KB	32KB	No	40#	0.5mm	6 x 6 x 0.8	1#	1.8 - 5.5	17	DMAC&DTC	4	1#	Yes	1	No	No	No	No	1	Ta = -40 to +85	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	3	4	4#	1	No	No	No	16	9#	4	Yes	No	4	8	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	TAIWAN	JAPAN
R5F523E6SDNF#40	Active	N/A	2036 Dec	Out of Stock	HWQFN	1ku \| $4.91	Tape & Reel	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	256KB	8KB	32KB	No	40#	0.5mm	6 x 6 x 0.8	1#	1.8 - 5.5	17	DMAC&DTC	4	1#	Yes	1	No	No	No	No	2500	Ta = -40 to +85	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	3	4	4#	1	No	No	No	16	9#	4	Yes	No	4	8	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	TAIWAN	JAPAN
R5F523E6SGFL#10	Active	Available	2038 Dec	In Stock	LFQFP	1ku \| $5.25	Full Carton (Tray)	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	256KB	8KB	32KB	No	48#	0.5mm	7 x 7 x 1.7	1#	1.8 - 5.5	21	DMAC&DTC	4	1#	Yes	1	No	No	No	No	2000	Ta = -40 to +105	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	4	5	5#	1	No	No	No	16	9#	4	Yes	No	6	12	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F523E6SGFL#30	Active	Available	TBD	In Stock	LFQFP	1ku \| $5.25	Bulk (Tray)	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	256KB	8KB	32KB	No	48#	0.5mm	7 x 7 x 1.7	1#	1.8 - 5.5	21	DMAC&DTC	4	1#	Yes	1	No	No	No	No	1	Ta = -40 to +105	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	4	5	5#	1	No	No	No	16	9#	4	Yes	No	6	12	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F523E6SGFL#50	Active	N/A	2041 Dec	Out of Stock	LFQFP	1ku \| $5.25	Tape & Reel	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	256KB	8KB	32KB	No	48#	0.5mm	7 x 7 x 1.7	1#	1.8 - 5.5	21	DMAC&DTC	4	1#	Yes	1	No	No	No	No	2000	Ta = -40 to +105	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	4	5	5#	1	No	No	No	16	9#	4	Yes	No	6	12	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F523E6SGNF#00	Active	Available	2036 Dec	Out of Stock	HWQFN	1ku \| $5.25	Full Carton (Tray)	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	256KB	8KB	32KB	No	40#	0.5mm	6 x 6 x 0.8	1#	1.8 - 5.5	17	DMAC&DTC	4	1#	Yes	1	No	No	No	No	3920	Ta = -40 to +105	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	3	4	4#	1	No	No	No	16	9#	4	Yes	No	4	8	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	TAIWAN	JAPAN
R5F523E6SGNF#20	Active	Available	TBD	In Stock	HWQFN	1ku \| $5.25	Bulk (Tray)	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	256KB	8KB	32KB	No	40#	0.5mm	6 x 6 x 0.8	1#	1.8 - 5.5	17	DMAC&DTC	4	1#	Yes	1	No	No	No	No	1	Ta = -40 to +105	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	3	4	4#	1	No	No	No	16	9#	4	Yes	No	4	8	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	TAIWAN	JAPAN
R5F523E6SGNF#40	Active	N/A	2036 Dec	Out of Stock	HWQFN	1ku \| $5.25	Tape & Reel	RX	RX200	RX23E-A	RX	RXv2	No	Single	32	256KB	8KB	32KB	No	40#	0.5mm	6 x 6 x 0.8	1#	1.8 - 5.5	17	DMAC&DTC	4	1#	Yes	1	No	No	No	No	2500	Ta = -40 to +105	8#	Yes	32MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	3	4	4#	1	No	No	No	16	9#	4	Yes	No	4	8	2	No	No	No	No	No	Unique ID	Single-wire Serial	3	TAIWAN	JAPAN

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Application Note
RX Family RSA Library Firmware Integration Technology Rev.1.06
PDF 229 KB R20AN0292EJ0106 Rev.1.06 日本語 Apr 20, 2026
This document is an application note for the RX Family RSA Library Firmware Integration Technology. This application note describes the configuration, API information, and usage of the RX RSA Library, as well as sample application programs included in this package.
Related Files:
Sample Code
Application Note
RX Family AES Library Firmware Integration Technology Rev.1.09
PDF 296 KB R20AN0044EJ0109 Rev.1.09 日本語 Apr 20, 2026
"This document is an application note for the RX Family AES Library Firmware Integration Technology. This application note describes the configuration, API information, and usage of the RX AES Library, as well as sample application programs included in this package.
Related Files:
Sample Code
Application Note
RX Family List of Firmware Integration Technology modules included with RX Driver Package
PDF 617 KB R01AN5976EJ0117 Rev.1.17 日本語 Apr 20, 2026
This document is the RX Family RX Driver Package Application Note, version 1.48. This application note indicates Firmware Integration Technology (FIT) module version included with RX Driver Package (RDP).
Application Note
RX Family SHA Library Firmware Integration Technology Rev.1.07
PDF 244 KB R20AN0157EJ0107 Rev.1.07 日本語 Apr 20, 2026
This document is an application note for the RX Family SHA Library Firmware Integration Technology. This application note describes the configuration, API information, and usage of the RX SHA Library, as well as sample application programs included in this package.
Related Files:
Sample Code
Application Note
RX Family JPEG Encoder Module Firmware Integration Technology Rev.1.04
PDF 410 KB R20AN0263EJ0104 Rev.1.04 日本語 Apr 20, 2026
This material explains usage of JPEG Encoder (JPEGE). JPEG Encoder is only for encoding, and there are the following two libraries. JPEG Encode Library: DCT, Quantization and Huffman encoding. JPEG File Compress Library: Compress JPEG data using JPEG Encode Library.
Related Files:
Sample Code
Application Note
RX Family JPEG Decoder Module Firmware Integration Technology Rev.2.09
PDF 386 KB R20AN0104EJ0209 Rev.2.09 日本語 Apr 20, 2026
This material explains usage of JPEG Decoder (JPEGD). JPEG Decoder is only for decoding, and there are the following two libraries. JPEG Decode Library: Inverse DCT, Inverse Quantization and Huffman decoding. JPEG File Expand Library: Expand JPEG data using JPEG Decode Library.
Related Files:
Sample Code
Application Note
RX Family Sound Playback/Compression System (Original ADPCM Codec) [M3S-S2-Tiny] Module Firmware Integration Technology Rev3.06
PDF 292 KB R20AN0037EJ0306 Rev.3.06 日本語 Apr 20, 2026
This application note explains how to implement the ADPCM Encoder/Decoder Library using Firmware Integration Technology(FIT). S2 Library can playback/record to use RX Family. The S2 library for the Renesas Microcomputer is written in optimized assembler.
Related Files:
Sample Code
Application Note
RX Family RX Driver Package Ver.1.50
PDF 778 KB R01AN8254EJ0150 Rev.1.50 日本語 Apr 20, 2026
This document is the RX Family RX Driver Package Application Note, version 1.50. This application note describes basic structures, features and usage of RX Driver Package applications, and about the sample application program using the FIT modules included in this package.
Related Files:
Sample Code
Application Note
RX Family SPI Mode SD Memory Card Driver Firmware Integration Technology Rev1.12
PDF 1.36 MB R01AN6908EJ0112 Rev.1.12 日本語 Apr 20, 2026
This application note describes the SSI (Serial Sound Interface) module using firmware integration technology (FIT). This software module provides ways of PCM data transmit and receive operations using SSI (Serial Sound Interface) or SSIE (Enhanced Serial Sound Interface).
Related Files:
Sample Code
Application Note
RX Family ADC Module Using Firmware Integration Technology Rev5.51
PDF 1.63 MB R01AN1666EE0551 Rev.5.51 日本語 Apr 20, 2026
This application note describes the ADC module using Firmware Integration Technology. This module supports the functions of the 12-bit A/D converter.This module can be incorporated into projects in the form of APIs.
Related Files:
Sample Code
Application Note
RX Family SD Mode SD Memory Card Driver Firmware Integration Technology Rev3.02
PDF 1.48 MB R01AN4233EJ0302 Rev.3.02 日本語 Apr 20, 2026
This application note describes the SD Mode SD Memory Card driver which uses Firmware Integration Technology (FIT). This driver controls SD Memory Cards in SD mode using the SD Host Interface (SDHI) module included in Renesas Electronics RX Family microcontrollers.
Related Files:
Sample Code
Guide
Differences Between RX Products
PDF 625 KB R01AN8069EJ0101 Rev.1.01 日本語 Apr 07, 2026
Describes the RX products migration map, which shows the relationship between previous-generation products and new-generation products, and the preparation status of difference documents, which summarize the functional differences between each RX product. Please use this application note to gather information when migrating from previous-generation products to new-generation products or when using different RX products.
Guide
RX Family Product Part Number Guide
PDF 728 KB EPMGP-AB-26-0082-1 Apr 07, 2026
Application Note
RX family MCU Injection current to prevent damage to MCU Rev.1.10
PDF 211 KB R01AN8093EJ0110 Rev.1.10 Apr 06, 2026
In general, injection current into the I/O pin by external voltage below VSS or above VCC should be avoided. However, it describes injection current that is recommended so that the MCU will not be damaged if the abnormal injection current occurs accidentally.
Application Note
RX Family Reality AI UART Communication Module Firmware Integration Technology Rev.1.01
PDF 151 KB R01AN6967EJ0101 Rev.1.01 Apr 03, 2026
AI-generated Summary: The UART communication module for Renesas Reality AI uses Firmware Integration Technology (FIT) to provide a driver interface independent of the MCU and its UART IP. It supports RX Family MCUs, specifically RX65N with SCI/SCIF Asynchronous Mode. The document outlines precautions for handling microcontroller units, including ESD protection, power-on processing, signal input restrictions during power-off, unused pin handling, clock signal stability, voltage waveform considerations, and reserved address access prohibition. It emphasizes product differences, security disclaimers, quality grades, and legal responsibilities. Users must ensure compliance with operating conditions and safety measures. Additional references include user manuals and technical updates available from Renesas Electronics.
Related Files:
Sample Code

Datasheets (1)

Datasheet
RX23E-A Group Datasheet Rev.1.30
RECOMMENDED
PDF 1.05 MB R01DS0330EJ0130 Rev.1.30 日本語 Dec 25, 2024
The RX23E-A group microcontrollers are equipped with an analog front-end that can measure temperature, pressure, flow, and weight with under 0.1% precision without calibration, making them ideal for high-precision sensing and test and measurement equipment. The CPU is equipped with an RXv2 core that excels in DSP/FPU operations, enabling high-accuracy measurement, control, and communication with a single chip. This is the datasheet for the RX14T.

Manuals & Guides (20)

Guide
Differences Between RX Products
PDF 625 KB R01AN8069EJ0101 Rev.1.01 日本語 Apr 07, 2026
Describes the RX products migration map, which shows the relationship between previous-generation products and new-generation products, and the preparation status of difference documents, which summarize the functional differences between each RX product. Please use this application note to gather information when migrating from previous-generation products to new-generation products or when using different RX products.
Guide
RX Family Product Part Number Guide
PDF 728 KB EPMGP-AB-26-0082-1 Apr 07, 2026
Guide
RX23E-A Handbook
RECOMMENDED
PDF 267 KB R01TB0131EJ0100 Rev.1.00 日本語 Mar 06, 2026
The RX23E-A group handbook organizes essential information and materials for product development according to each development phase. Please use this handbook as a resource during the planning and development stages for the RX23E-A group.
Guide
RX Family and M16C family Guide for Migration from the M16C to the RX : Timers (MTU2/MTU3/GPTW)
PDF 654 KB R01AN1729EJ0300 Rev.3.00 日本語 Dec 12, 2025
This document describes migration from the timers in the M16C Family (Timer A and Timer B) to the timers in the RX Family (MTU2a, MTU3a and GPTWa).When this document explains the migration from the M16C Family to the RX Family, the M16C/65C Group is used as an example of the M16C Family, and the RX231 Group, RX261 Group, and RX660 Group are used as examples of the RX Family.
Guide
RX family Migration Guide (From Other Families to the RX Family)
PDF 681 KB R01AN8070EJ0101 Rev.1.01 日本語 Dec 12, 2025

View More (20)

Application Notes & White Papers (174)

Application Note
RX Family RSA Library Firmware Integration Technology Rev.1.06
PDF 229 KB R20AN0292EJ0106 Rev.1.06 日本語 Apr 20, 2026
This document is an application note for the RX Family RSA Library Firmware Integration Technology. This application note describes the configuration, API information, and usage of the RX RSA Library, as well as sample application programs included in this package.
Related Files:
Sample Code
Application Note
RX Family AES Library Firmware Integration Technology Rev.1.09
PDF 296 KB R20AN0044EJ0109 Rev.1.09 日本語 Apr 20, 2026
"This document is an application note for the RX Family AES Library Firmware Integration Technology. This application note describes the configuration, API information, and usage of the RX AES Library, as well as sample application programs included in this package.
Related Files:
Sample Code
Application Note
RX Family List of Firmware Integration Technology modules included with RX Driver Package
PDF 617 KB R01AN5976EJ0117 Rev.1.17 日本語 Apr 20, 2026
This document is the RX Family RX Driver Package Application Note, version 1.48. This application note indicates Firmware Integration Technology (FIT) module version included with RX Driver Package (RDP).
Application Note
RX Family SHA Library Firmware Integration Technology Rev.1.07
PDF 244 KB R20AN0157EJ0107 Rev.1.07 日本語 Apr 20, 2026
This document is an application note for the RX Family SHA Library Firmware Integration Technology. This application note describes the configuration, API information, and usage of the RX SHA Library, as well as sample application programs included in this package.
Related Files:
Sample Code
Application Note
RX Family JPEG Encoder Module Firmware Integration Technology Rev.1.04
PDF 410 KB R20AN0263EJ0104 Rev.1.04 日本語 Apr 20, 2026
This material explains usage of JPEG Encoder (JPEGE). JPEG Encoder is only for encoding, and there are the following two libraries. JPEG Encode Library: DCT, Quantization and Huffman encoding. JPEG File Compress Library: Compress JPEG data using JPEG Encode Library.
Related Files:
Sample Code

View More (174)

Product Notices (PCN, EOL, etc) (5)

Product Change Notice
Notice of Change of Lead Frame for RX100/200/600/700 Series LFQFP/ LQFP Package Products (EP1OP-AB-24-0057-1)
PDF 196 KB EP1OP-AB-24-0057-1 日本語 Dec 09, 2024
End Of Life Notice
End Of Life Notice [SAF-B-23-0002]
PDF 2.17 MB SAF-B-23-0002 日本語 Jun 12, 2023
Product Change Notice
Unification of a JEDEC tray and a embossed carrier tape for LQFP package (Additional Information & Correction)
PDF 4.86 MB PC-WRP-A001C/E 日本語 Jan 23, 2018
Product Change Notice
Unification of a JEDEC tray and a embossed carrier tape for LQFP package ( PC-WRP-A001B/E )
PDF 3.74 MB PC-WRP-A001B/E 日本語 Mar 08, 2017
Product Change Notice
Unification of a JEDEC tray and a embossed carrier tape for LQFP package ( PC-WRP-A001A/E )
PDF 1.46 MB PC-WRP-A001A/E 日本語 Jul 01, 2016

Errata & Technical Updates (16)

Technical Update
RX13T Group, RX140 Group, RX23E-A Group; Correction of Note Regarding the Specification of the Decoupling Capacitance for Stabilizing the Internal Voltage
PDF 151 KB TN-RX*-A0269A/E 日本語 Sep 29, 2023
Technical Update
Errata to the Electrical Characteristics Regarding the Voltage Reference of RX23E-A Group MCU
PDF 353 KB TN-RX*-A0255A/E 日本語 Oct 26, 2021
Technical Update
Note on A/D Conversion Results When Two Delta-Sigma A/D Converters of RX23E-A Group are Used at the Same Time
PDF 146 KB TN-RX*-A0254A/E 日本語 Aug 19, 2021
Technical Update
Addition of New Products to RX23E-A Group MCUs
PDF 258 KB TN-RX*-A0253A/E 日本語 Apr 28, 2021
Technical Update
RX Family Note on Rewriting the System Clock Control Register 3 (SCKCR3)
PDF 157 KB TN-RX-A0224B/E 日本語 Jul 30, 2020

View More (16)

Quality & Reliability (1)

Product Reliability Report
R5F523EXXX (RX23E-A) Reliability Report
PDF 406 KB MCR-22-0301-A Oct 17, 2023

Marketing Collateral (4)

Flyer
Sensor Measurement Solution
PDF 840 KB R01PF0241EJ0200 Rev.2.00 日本語 Jul 03, 2024
Brochure
RX23E-A MCU Group
PDF 401 KB R01PM0073EU0100 Rev.1.00 Aug 04, 2021
Flyer
IO-Link Device Solution for Temperature Sensor
PDF 339 KB R01PF0211EU0100 Rev.1.00 日本語 Mar 23, 2021
Related Files:
Application Note
Flyer
RX200 Series Microcontrollers Brochure
PDF 2.41 MB R01CP0009ED1100 Rev.11.00 简体中文 Nov 01, 2018

Renesas Boards & Kits

RTK0ESXB10C00001BJ

Renesas Solution Starter Kit for RX23E-A

Using the evaluation board (RSSK RX23E-A) equipped with RX23E-A and peripheral circuits for sensor measurement, and software that can be downloaded from the web, you can start analog characteristic evaluation immediately after purchasing the kit. By using this kit, it is possible to shorten the... Read More

Recommended Documents:

RSSKRX23E-A Renesas Solution Starter Kit for RX23E-A Quick Start Guide

RSSKRX23E-A User's Manual

Test This Board Remotely

Available on Lab on the Cloud, use our PC-based GUI to instantly start configuring and testing designs in our virtual lab, no physical board needed.

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Partner Boards & Kits

Evaluation

RX Family Microcontroller Board

This solution provides a general-purpose evaluation board featuring Renesas RX microcontrollers. It is available as a standalone evaluation board or as kit products supporting applications such as touch key interfaces and brushless motor control.

Supported Products:

RX110,RX111,RX113,RX130,RX140,RX13T,RX230,RX231,RX23E-A,RX23E-B,RX23T,RX24T,RX24U,RX260,RX261,RX26T,RX64M,RX65N,RX651,RX660,RX66N,RX66T,RX671,RX71M,RX72M,RX72N,RX72T

Provided By:

HOKUTO DENSHI

Thermoelectric Peltier Controller Demo Unit

Recommended

RX23E-A-TEC

RX23E-A Thermoelectric Peltier Controller Reference Design

This is a reference design of a thermoelectric Peltier controller using a high-precision AFE-mounted MCU, RX23E-A. It is capable of realizing measurement, calculation, and the control necessary to perform temperature control with a single RX23E-A chip,

The Thermoelectric Peltier Controller (TEC)... Read More

Recommended Documents:

RX23E-A Group Example of Thermoelectric Peltier Controller Application Notes Rev.1.00

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Recommended

RX23E-A-DL

RX23E-A Tiny Board for Digital Loadcell Reference Design

This is a reference design of a digital load cell using an MCU with a high-precision analog front-end (AFE), the RX23E-A. Using the RX23E-A makes an external dedicated AFE unnecessary, thereby miniaturizing the board.

In the digital load cell, a board mounting ADC and MCU, and a load cell are... Read More

Recommended Documents:

RX23E-AQFN40W/T Reference Design Files

RX23E-AQFN40W/T Reference Design User's Manual

Order Now

RX23E-A-CH-IAMS

RX23E-A Channel-to-Channel Isolated Analog Input Module Reference Design

This is a reference design of a system that incorporates four pieces of RX23E-A with channel-to-channel isolation and measures temperature and voltage synchronously. This is ideal for applications, such as an analog input module with multiple analog inputs, a temperature controller, a recorder,... Read More

Recommended Documents:

RX23E-A Group Channel-to-channel Isolated Analog Measurement System Reference Design Files

This video introduces the product features of RX-E series for industrial sensors.

Additional Videos

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News & Blog Posts

Blog Post

Nov 30, 2023

Introducing Industrial Sensing Solutions with IO-Link Communication

Blog Post

Apr 6, 2023

Say Goodbye to Hardware Manual Confusion with Our Comprehensive Guide!

Blog Post

Mar 20, 2023

Upgrade MCUs with the Latest Industry-leading 32-bit RX Family MCUs! RX Portfolio is Expanding

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Mar 3, 2023

Tips for Selecting Low Power Consumption Modes on the RX MCU

Blog Post

Feb 17, 2023

How Renesas Design Standardization Saves Industrial Sensing Equipment Total Costs- Blog 2

Blog Post

Jan 23, 2023

RX Family Software – The Past and the Future - #6

Blog Post

Dec 13, 2022

Examples of Design Standardization in Sensing Equipment Using the RX23E-A MCU with Built-In High-Precision Delta-Sigma ADC - Blog 1

Blog Post

Sep 1, 2022

RX Family Software – The Past and the Future - #5

Blog Post

Aug 9, 2022

Experiencing the noise performance of the RX23E-A built-in delta-sigma ADC by using Renesas’ Lab on the Cloud

Blog Post

Jun 17, 2022

Bringing DSPs Closer to You! Realizing Digital Filters with the Latest Low-End RX140 Microcontroller of the RX Family!

Blog Post

Apr 19, 2022

Design Guide for RX MCU Board Wiring Pattern

Blog Post

Apr 5, 2022

RX Family Software – The Past and the Future - #3

Blog Post

Mar 15, 2022

Realizing OTA Function of a Secondary MCU with the RX MCU – FreeRTOS Version

Blog Post

Mar 4, 2022

Supporting a Smooth Start of Your Development with RX by Video!

Blog Post

Feb 1, 2022

RX Family Software – The Past and the Future - #1

Blog Post

Feb 1, 2022

Evolution of Sensing Equipment and Force Sensor Measurement Using RX23E-A

Blog Post

Dec 6, 2021

To Seamlessly Switch to a 32-Bit RX Family MCU

Blog Post

Oct 15, 2021

Interview with RX MCU Family User, HITACHI Solutions Technology

Blog Post

Oct 6, 2021

Introducing the Smart Configurator Board Support Feature for Quick Project Setup

Blog Post

Sep 24, 2021

What is Data Acquisition (DAQ) and Distributed Processing/Edge Computing in the IoT Era with RX23E-A?

Blog Post

Sep 21, 2021

How Renesas Approaches Functional Safety over EtherCAT (FSoE)

Blog Post

Aug 4, 2021

Introducing the RX Family Firmware Update Middleware that Can Easily Realize FOTA (Firmware Update Over-The-Air) Implementation

Blog Post

Aug 2, 2021

DSP Experience with RX Family MCU! Visualizing DSP Behavior with Free Sample Program!

Blog Post

Jul 13, 2021

Introducing the RX MCU Product Longevity Program (PLP) that Goes Beyond 15 years of Support!

Blog Post

Jul 2, 2021

Let’s Get Started with RX MCU Software Development! First Step is to Start with e² studio.

Blog Post

Jun 24, 2021

A Tiny RX23E-A Board for Digital Load Cell

Blog Post

Apr 27, 2021

Time flies in a flash of light! Renesas RXv2 Core has exceeded a CoreMark of 5.0. How does it achieve this result?

Blog Post

Apr 8, 2021

RX23E-A 32-Bit MCU Realizes a Compact and Highly Precise Thermoelectric Peltier Controller Implementation

Blog Post

Mar 25, 2021

RX23E-A IO-Link Ready-to-Use Bidirectional Communication Reference Solution

Support Communities

RX23E-A Data Flash
Where should I find a well documented sample for Data Flash use on the RX23E-A Family? I find some sample codes, but... those are not valid or they have a lot of lakes. For example, this one of the source sample code that I found, but.... static void testmain ...
Apr 20, 2022
- RX MCU
- Forum
RX23E-A app note REN_r20ut4542ej0110-rsskrx23e-a_MAT_20200330 typo
In app note REN_r20ut4542ej0110-rsskrx23e-a_MAT_20200330, English version, P34, Table 4-30 J3: Communication Interface Through-Holes, The J3 pin 10 indicates it's connected to MCU pin 28. This should be pin 18. Document version: R20UT4542EJ0110 Rev.1.10 Mar.30.20
Mar 24, 2024
- RX MCU
- Forum
rx23e-a t Example Using a Load Cell the evaluation was not good
https://www.renesas.cn/cn/zh/document/apn/rx23e-group-weight-measurement-example-using-load-cell-application-notes-r01an4789ej0110-rev110?language=en&r=1054386 Using the rx23e-a development board, refer to the load cell manual and demo. I bought a weight ...
Nov 13, 2023
- RX MCU
- Forum

View All Results from Support Communities (10)

Knowledge Base

A/D Conversion Result Is Not Output Using RSSK for RX23E-A
It is necessary to update the sample software written in the microcontroller. Download the sample software from the website and write it.
Mar 31, 2021

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English

Analog Front-End Mounted 32-bit Microcontroller Ideal for High Precision Sensing, Test and Measurement Equipment

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