RX24U

Features

80MHz RXv2 core (5.05 CoreMark/MHz*), single-precision FPU
- *Typical for RXv2 core
Wide operating voltage range: 2.7V to 5.5V
Operating temperature: -40°C to 85°C or -40°C to 105°C
Built-in Flash memory: 32KB code flash, 12KB SRAM
8KB data flash that can store data like an EEPROM
100 pins, 144 pins
Up to 110 general-purpose I/O ports
CAN (ISO 11898-1 compliant, up to 1Mbps transfer)
Various other communication interfaces (SCI, IIC, RSPI, etc.)
80MHz PWM
- 3 channels for 3-phase complementary switching, 4 channels for single-phase complementary switching
12-bit A/D converter x 3 units, 12-bit D/A converter x 2 channels
4 channels of comparator and 4 channels of pseudo-differential PGA

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

Pin-Memory Diagram of RX24U standard products

Pin-Memory Diagram of RX24U High-temperature products

RX24U Block Diagram

Description

The RX24U Group features a 32-bit microcontroller ideally suited for dual inverter control with a built-in Floating-Point Unit (FPU) that enables it to easily execute complex inverter control algorithms. The built-in differential programmable gain amplifier and the provided safety system help to bring the application system cost down.

Parameters

Attributes	Value
Main CPU	RXv2
Program Memory (KB)	256, 384, 512
RAM (KB)	32
Carrier Type	Bulk (Tray), Full Carton (Tray)
Supply Voltage (V)	2.7 - 5.5
I/O Ports	79, 110
DRAM I/F	No
Temp. Range (°C)	Ta = -40 to +85, Ta = -40 to +105
Operating Freq (Max) (MHz)	80
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)	4, 6
SPI (ch)	5, 7
I2C (#)	5, 7
CAN (ch)	1
CAN-FD (ch)	0
Wireless	No
SDHI (ch)	0
High Resolution Output Timer	No
PWM Output (pin#)	36
32-Bit Timer (ch)	0
16-Bit Timer (ch) (#)	17
8-Bit Timer (ch)	8
Standby operable timer	No
12-Bit A/D Converter (ch)	20, 22
24-Bit Sigma-Delta A/D Converter (ch)	0
16-Bit D/A Converter (ch)	0
12-Bit D/A Converter (ch)	0
8-Bit D/A Converter (ch)	2
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)
LFQFP	14 x 14 x 1.7	100	0.5
LFQFP	20 x 20 x 1.7	144	0.5

Applications

Industrial
Office automation
Home appliances

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	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)	8-Bit D/A Converter (ch)	Analog Comparator (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
R5F524UBADFB#10	Active	N/A	2041 Dec	Out of Stock	LFQFP	1ku \| $3.28	Full Carton (Tray)	RX	RX200	RX24U	RX	RXv2	No	Single	32	256KB	8KB	32KB	No	144#	0.5mm	20 x 20 x 1.7	1#	2.7 - 5.5	110	DTC	Yes	1	No	No	No	No	480	Ta = -40 to +85	8#	Yes	80MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	6	7	7#	1	No	No	No	36	17#	8	No	No	22	2	4	4	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F524UBADFB#30	Active	N/A		In Stock	LFQFP	1ku \| $3.28	Bulk (Tray)	RX	RX200	RX24U	RX	RXv2	No	Single	32	256KB	8KB	32KB	No	144#	0.5mm	20 x 20 x 1.7	1#	2.7 - 5.5	110	DTC	Yes	1	No	No	No	No	1	Ta = -40 to +85	8#	Yes	80MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	6	7	7#	1	No	No	No	36	17#	8	No	No	22	2	4	4	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F524UBADFP#10	Active	N/A	2041 Dec	In Stock	LFQFP	1ku \| $3.23	Full Carton (Tray)	RX	RX200	RX24U	RX	RXv2	No	Single	32	256KB	8KB	32KB	No	100#	0.5mm	14 x 14 x 1.7	1#	2.7 - 5.5	79	DTC	Yes	1	No	No	No	No	720	Ta = -40 to +85	8#	Yes	80MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	4	5	5#	1	No	No	No	36	17#	8	No	No	20	2	4	4	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F524UBADFP#30	Active	N/A		In Stock	LFQFP	1ku \| $3.23	Bulk (Tray)	RX	RX200	RX24U	RX	RXv2	No	Single	32	256KB	8KB	32KB	No	100#	0.5mm	14 x 14 x 1.7	1#	2.7 - 5.5	79	DTC	Yes	1	No	No	No	No	1	Ta = -40 to +85	8#	Yes	80MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	4	5	5#	1	No	No	No	36	17#	8	No	No	20	2	4	4	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F524UBAGFB#10	Active	N/A	2041 Dec	Out of Stock	LFQFP	1ku \| $3.52	Full Carton (Tray)	RX	RX200	RX24U	RX	RXv2	No	Single	32	256KB	8KB	32KB	No	144#	0.5mm	20 x 20 x 1.7	1#	2.7 - 5.5	110	DTC	Yes	1	No	No	No	No	480	Ta = -40 to +105	8#	Yes	80MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	6	7	7#	1	No	No	No	36	17#	8	No	No	22	2	4	4	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F524UBAGFB#30	Active	N/A		In Stock	LFQFP	1ku \| $3.52	Bulk (Tray)	RX	RX200	RX24U	RX	RXv2	No	Single	32	256KB	8KB	32KB	No	144#	0.5mm	20 x 20 x 1.7	1#	2.7 - 5.5	110	DTC	Yes	1	No	No	No	No	1	Ta = -40 to +105	8#	Yes	80MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	6	7	7#	1	No	No	No	36	17#	8	No	No	22	2	4	4	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F524UBAGFP#10	Active	N/A	2041 Dec	Out of Stock	LFQFP	1ku \| $3.24	Full Carton (Tray)	RX	RX200	RX24U	RX	RXv2	No	Single	32	256KB	8KB	32KB	No	100#	0.5mm	14 x 14 x 1.7	1#	2.7 - 5.5	79	DTC	Yes	1	No	No	No	No	720	Ta = -40 to +105	8#	Yes	80MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	4	5	5#	1	No	No	No	36	17#	8	No	No	20	2	4	4	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F524UBAGFP#30	Active	N/A		In Stock	LFQFP	1ku \| $3.24	Bulk (Tray)	RX	RX200	RX24U	RX	RXv2	No	Single	32	256KB	8KB	32KB	No	100#	0.5mm	14 x 14 x 1.7	1#	2.7 - 5.5	79	DTC	Yes	1	No	No	No	No	1	Ta = -40 to +105	8#	Yes	80MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	4	5	5#	1	No	No	No	36	17#	8	No	No	20	2	4	4	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F524UCADFB#10	Active	N/A	2041 Dec	Out of Stock	LFQFP	1ku \| $3.52	Full Carton (Tray)	RX	RX200	RX24U	RX	RXv2	No	Single	32	384KB	8KB	32KB	No	144#	0.5mm	20 x 20 x 1.7	1#	2.7 - 5.5	110	DTC	Yes	1	No	No	No	No	480	Ta = -40 to +85	8#	Yes	80MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	6	7	7#	1	No	No	No	36	17#	8	No	No	22	2	4	4	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F524UCADFB#30	Active	N/A		In Stock	LFQFP	1ku \| $3.52	Bulk (Tray)	RX	RX200	RX24U	RX	RXv2	No	Single	32	384KB	8KB	32KB	No	144#	0.5mm	20 x 20 x 1.7	1#	2.7 - 5.5	110	DTC	Yes	1	No	No	No	No	1	Ta = -40 to +85	8#	Yes	80MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	6	7	7#	1	No	No	No	36	17#	8	No	No	22	2	4	4	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F524UCADFP#10	Active	N/A	2041 Dec	Out of Stock	LFQFP	1ku \| $3.26	Full Carton (Tray)	RX	RX200	RX24U	RX	RXv2	No	Single	32	384KB	8KB	32KB	No	100#	0.5mm	14 x 14 x 1.7	1#	2.7 - 5.5	79	DTC	Yes	1	No	No	No	No	720	Ta = -40 to +85	8#	Yes	80MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	4	5	5#	1	No	No	No	36	17#	8	No	No	20	2	4	4	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F524UCADFP#30	Active	N/A		In Stock	LFQFP	1ku \| $3.26	Bulk (Tray)	RX	RX200	RX24U	RX	RXv2	No	Single	32	384KB	8KB	32KB	No	100#	0.5mm	14 x 14 x 1.7	1#	2.7 - 5.5	79	DTC	Yes	1	No	No	No	No	1	Ta = -40 to +85	8#	Yes	80MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	4	5	5#	1	No	No	No	36	17#	8	No	No	20	2	4	4	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F524UCAGFB#10	Active	N/A	2041 Dec	Out of Stock	LFQFP	1ku \| $3.77	Full Carton (Tray)	RX	RX200	RX24U	RX	RXv2	No	Single	32	384KB	8KB	32KB	No	144#	0.5mm	20 x 20 x 1.7	1#	2.7 - 5.5	110	DTC	Yes	1	No	No	No	No	480	Ta = -40 to +105	8#	Yes	80MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	6	7	7#	1	No	No	No	36	17#	8	No	No	22	2	4	4	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F524UCAGFB#30	Active	N/A		In Stock	LFQFP	1ku \| $3.77	Bulk (Tray)	RX	RX200	RX24U	RX	RXv2	No	Single	32	384KB	8KB	32KB	No	144#	0.5mm	20 x 20 x 1.7	1#	2.7 - 5.5	110	DTC	Yes	1	No	No	No	No	1	Ta = -40 to +105	8#	Yes	80MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	6	7	7#	1	No	No	No	36	17#	8	No	No	22	2	4	4	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F524UCAGFP#10	Active	N/A	2041 Dec	Out of Stock	LFQFP	1ku \| $3.49	Full Carton (Tray)	RX	RX200	RX24U	RX	RXv2	No	Single	32	384KB	8KB	32KB	No	100#	0.5mm	14 x 14 x 1.7	1#	2.7 - 5.5	79	DTC	Yes	1	No	No	No	No	720	Ta = -40 to +105	8#	Yes	80MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	4	5	5#	1	No	No	No	36	17#	8	No	No	20	2	4	4	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F524UCAGFP#30	Active	N/A		In Stock	LFQFP	1ku \| $3.49	Bulk (Tray)	RX	RX200	RX24U	RX	RXv2	No	Single	32	384KB	8KB	32KB	No	100#	0.5mm	14 x 14 x 1.7	1#	2.7 - 5.5	79	DTC	Yes	1	No	No	No	No	1	Ta = -40 to +105	8#	Yes	80MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	4	5	5#	1	No	No	No	36	17#	8	No	No	20	2	4	4	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F524UEADFB#10	Active	Available	2041 Dec	Out of Stock	LFQFP	1ku \| $3.75	Full Carton (Tray)	RX	RX200	RX24U	RX	RXv2	No	Single	32	512KB	8KB	32KB	No	144#	0.5mm	20 x 20 x 1.7	1#	2.7 - 5.5	110	DTC	Yes	1	No	No	No	No	480	Ta = -40 to +85	8#	Yes	80MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	6	7	7#	1	No	No	No	36	17#	8	No	No	22	2	4	4	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F524UEADFB#30	Active	Available		In Stock	LFQFP	1ku \| $3.75	Bulk (Tray)	RX	RX200	RX24U	RX	RXv2	No	Single	32	512KB	8KB	32KB	No	144#	0.5mm	20 x 20 x 1.7	1#	2.7 - 5.5	110	DTC	Yes	1	No	No	No	No	1	Ta = -40 to +85	8#	Yes	80MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	6	7	7#	1	No	No	No	36	17#	8	No	No	22	2	4	4	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F524UEADFP#10	Active	Available	2041 Dec	Out of Stock	LFQFP	1ku \| $3.49	Full Carton (Tray)	RX	RX200	RX24U	RX	RXv2	No	Single	32	512KB	8KB	32KB	No	100#	0.5mm	14 x 14 x 1.7	1#	2.7 - 5.5	79	DTC	Yes	1	No	No	No	No	720	Ta = -40 to +85	8#	Yes	80MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	4	5	5#	1	No	No	No	36	17#	8	No	No	20	2	4	4	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F524UEADFP#30	Active	Available		In Stock	LFQFP	1ku \| $3.49	Bulk (Tray)	RX	RX200	RX24U	RX	RXv2	No	Single	32	512KB	8KB	32KB	No	100#	0.5mm	14 x 14 x 1.7	1#	2.7 - 5.5	79	DTC	Yes	1	No	No	No	No	1	Ta = -40 to +85	8#	Yes	80MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	4	5	5#	1	No	No	No	36	17#	8	No	No	20	2	4	4	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F524UEAGFB#10	Active	Available	2041 Dec	Out of Stock	LFQFP	1ku \| $4.02	Full Carton (Tray)	RX	RX200	RX24U	RX	RXv2	No	Single	32	512KB	8KB	32KB	No	144#	0.5mm	20 x 20 x 1.7	1#	2.7 - 5.5	110	DTC	Yes	1	No	No	No	No	480	Ta = -40 to +105	8#	Yes	80MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	6	7	7#	1	No	No	No	36	17#	8	No	No	22	2	4	4	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F524UEAGFB#30	Active	Available		In Stock	LFQFP	1ku \| $4.02	Bulk (Tray)	RX	RX200	RX24U	RX	RXv2	No	Single	32	512KB	8KB	32KB	No	144#	0.5mm	20 x 20 x 1.7	1#	2.7 - 5.5	110	DTC	Yes	1	No	No	No	No	1	Ta = -40 to +105	8#	Yes	80MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	6	7	7#	1	No	No	No	36	17#	8	No	No	22	2	4	4	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F524UEAGFP#10	Active	Available	2041 Dec	Out of Stock	LFQFP	1ku \| $3.74	Full Carton (Tray)	RX	RX200	RX24U	RX	RXv2	No	Single	32	512KB	8KB	32KB	No	100#	0.5mm	14 x 14 x 1.7	1#	2.7 - 5.5	79	DTC	Yes	1	No	No	No	No	720	Ta = -40 to +105	8#	Yes	80MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	4	5	5#	1	No	No	No	36	17#	8	No	No	20	2	4	4	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	JAPAN
R5F524UEAGFP#30	Active	Available		In Stock	LFQFP	1ku \| $3.74	Bulk (Tray)	RX	RX200	RX24U	RX	RXv2	No	Single	32	512KB	8KB	32KB	No	100#	0.5mm	14 x 14 x 1.7	1#	2.7 - 5.5	79	DTC	Yes	1	No	No	No	No	1	Ta = -40 to +105	8#	Yes	80MHz	No	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	4	5	5#	1	No	No	No	36	17#	8	No	No	20	2	4	4	No	No	No	No	No	Unique ID	Single-wire Serial	3	CHINA	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.
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Sample Code

Datasheets (1)

Datasheet
RX24U Group Datasheet Rev.1.00
RECOMMENDED
PDF 1.49 MB R01DS0278EJ0100 Rev.1.00 日本語 Mar 31, 2017

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
RX24U Handbook
RECOMMENDED
PDF 281 KB R01TB0139EJ0100 Rev.1.00 日本語 Mar 06, 2026
The RX24U 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 RX24U 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

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Application Notes & White Papers (200)

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

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Product Notices (PCN, EOL, etc) (6)

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
Product Change Notice
Notice of Change of Lead Frame for RX100/200 Series LFQFP/ LQFP Package Products (EP1OP-AB-24-0012-1)
PDF 140 KB EP1OP-AB-24-0012-1 日本語 Mar 29, 2024
Product Change Notice
Notice of Change in 14 x 14 mm LQFP Tape & Reel Packaging Components for RX100/200/600 Products(PC-MCU-A005A/E)
PDF 1.07 MB PC-MCU-A005A/E 日本語 Jul 22, 2022
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

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Errata & Technical Updates (18)

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
Technical Update
Errata to User's Manual: Hardware Regarding the I2C-bus Interface (RIIC) (TN-RX*-A0232A/E)
PDF 604 KB TN-RX*-A0232A/E 日本語 Jul 14, 2020
Technical Update
Addition of G version (Topr = –40°C to +105°C) Products to RX24T Group and RX24U Group
PDF 198 KB TN-RXx-A0206A/E 日本語 Feb 01, 2019
Technical Update
Note on Using Start-Up Program Protection
PDF 94 KB TN-RXx-A200A/E 日本語 Aug 22, 2018
Technical Update
Notes on Setting Procedures for Voltage Monitoring 1 Interrupt and Voltage Monitoring 2 Interrupt
PDF 212 KB TN-RXx-A194A/E 日本語 May 22, 2018

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Quality & Reliability (1)

Product Reliability Report
R5F524UXXX Reliability Report
PDF 412 KB MCR-22-0304 Apr 26, 2022

Marketing Collateral (1)

Flyer
RX200 Series Microcontrollers Brochure
PDF 2.41 MB R01CP0009ED1100 Rev.11.00 简体中文 Nov 01, 2018

Other (2)

Document
Motor Control Resources Easy Download Guide
PDF 882 KB EBD7-ZB-25-0008-3 日本語 Dec 08, 2025
Press Release
Key Features of Renesas Electronics' EMMA3TJ and EMMA3TS SoCs
PDF 25 KB 20100716-emma3tj-emma3ts-key-features-en 日本語简体中文 Jul 16, 2010

Renesas Boards & Kits

MOTOR-CPU-CARD

CPU Card for Motor Control

The CPU Card for Motor Control is an optional board for the Evaluation System for BLDC Motor. Using a CPU card and the evaluation system, users can easily evaluate motor control using the corresponding microcontroller offered by Renesas.

The CPU cards on this page have not been confirmed to be... Read More

Order Now

RSK-RX24U

Renesas Starter Kit for RX24U

The Renesas Starter Kit for RX24U is the perfect starter kit for developers who are new to the RX24U. The kit includes an LCD display module, on-chip debugging emulator, and integrated development environment so you can start evaluating the RX24U immediately after opening the box. Please use... Read More

Evaluation System for BLDC Motor

The Evaluation System for BLDC Motor provided by Renesas is a low-voltage permanent magnet synchronous motor (brushless DC motor) solution that allows anyone to easily evaluate the motor. After purchase, you can download the software from the website and start evaluating immediately.

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

This video introduces the product features of RX-T series for inverter control.

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Events & Webinars

Brushless 3‑phase Motor Control Made Easy

News & Blog Posts

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

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Jan 23, 2023

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

Blog Post

Sep 1, 2022

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

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

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Mar 15, 2022

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

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Mar 4, 2022

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

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Feb 16, 2022

Renesas Wins 2021 China CHIM Golden Smart Award and Top 10 Supply Chain Products Award

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Feb 1, 2022

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

Blog Post

Dec 6, 2021

To Seamlessly Switch to a 32-Bit RX Family MCU

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Oct 15, 2021

Interview with RX MCU Family User, HITACHI Solutions Technology

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Oct 6, 2021

Introducing the Smart Configurator Board Support Feature for Quick Project Setup

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

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

Oct 24, 2020

High Precision Small Industrial Robotic Control

Support Communities

CAN stack sw example for RX24U
Hello guys, I'm looking for a CAN bus management sw example (low level driver are enough) for the RX24U microcontroller. Thanks Ciao F
Feb 8, 2022
- RX MCU
- Forum
Input Pulse Interval Measurement in RX24U
I want measure the Input Pulse Interval Measurement as like in RL78 Series. How to measure the interval of the pulse in RX24U - R5F24UEAADFB MCU. There are many timers but, i don't know how to use the timers to measure the pulse. The Code Generator confuses me.......Please help ...
Oct 3, 2019
- RX MCU
- Forum
How to configure CAN-interface with CodeGenerator for RX24U-series?
Hello. I use the E2-Studio version 6.2.0. Compiler - Renesas CCRX v 2.07.00 (Evaluation version) Created a new project for R5F524UEAxFP microcontroller. Using the Code Generator to configure the perephireal modules. But where are the settings for the CAN-interface? Dionis.
May 18, 2018
- RX MCU
- Forum

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English

Powerful 32-bit Motor Control Microcontroller with Built-in Differential Amplifiers and Safety Systems

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