RA2A2

Features

48MHz Arm Cortex-M23 core
512KB flash memory (dual bank) and 48KB SRAM
8KB data flash memory (100,000 program/erase (P/E) cycles)
64-pin, 80-pin, and 100-pin LFQFP package options
24-bit Sigma-Delta A/D converter, 12-bit A/D converter and temperature sensor
16-bit general-purpose timers, 32-bit and 16-bit low-power AGT timers, and independent power supply RTC
SCI (UART, Simple SPI, Simple I²C), SPI and I²C bus
Segment LCD controller (8com x 38seg)
Security functions including AES, Secure MPU, Flash Access Window, TRNG

Find Other Products in RA Arm Cortex-M MCUs

Description

The RA2A2 group is a low-power microcontroller that combines a 48MHz Arm^® Cortex^®-M23 core and a rich set of peripheral functions. The RA2A2 MCU provides an optimized feature set suitable for a wide range of applications by supporting segment LCD and high-precision analog sensing functionalities while reducing power consumption, system cost, and overall footprint. Furthermore, the RA2A2's dual bank flash and security features make firmware updates easy and increase system reliability.

Parameters

Attributes	Value
Main CPU	Arm Cortex-M23
Program Memory (KB)	512
RAM (KB)	48
Carrier Type	Bulk (Tray), Full Carton (Tray), Full Tray (Tray), Tape & Reel
Supply Voltage (V)	1.6 - 5.5
I/O Ports	43, 59, 71, 77
DRAM I/F	No
Temp. Range (°C)	Ta=-40 to +105
Operating Freq (Max) (MHz)	48
Ethernet speed	No
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, 5
SPI (ch)	1
I2C (#)	1, 2
CAN (ch)	0
CAN-FD (ch)	0
Wireless	No
SDHI (ch)	0
High Resolution Output Timer	No
PWM Output (pin#)	9, 11, 12
32-Bit Timer (ch)	0
16-Bit Timer (ch) (#)	5, 6
Standby operable timer	Yes
Asynchronous General Purpose Timer / Interval Timer (ch)	10
16-Bit A/D Converter (ch)	0
14-Bit A/D Converter (ch)	0
12-Bit A/D Converter (ch)	2, 4
24-Bit Sigma-Delta A/D Converter (ch)	4, 7
12-Bit D/A Converter (ch)	0
8-Bit D/A Converter (ch)	0
Capacitive Touch Sensing Unit (ch)	0
Image Codec	No
Segment LCD Controller	Yes
Security & Encryption	Unique ID, TRNG, AES(128/256)

Package Options

Pkg. Type	Pkg. Dimensions (mm)	Lead Count (#)	Pitch (mm)
LQFP	10 x 10 x 1.7	64	0.5
LQFP	12 x 12 x 1.7	80	0.5
LQFP	14 x 14 x 1.7	100	0.5

Product Comparison


	RA2A2	RA2A1	RA2L1	RA4M2
CPU	Arm Cortex-M23	Arm Cortex-M23	Arm Cortex-M23	Arm Cortex-M33
Operating Freq (Max) (MHz)	48	48	48	100
Program Memory (KB)	512	256	128, 256	256, 384, 512
RAM (KB)	48	32	32	128
Data Flash (KB)	8	8	8	8
Lead Count (#)	64, 80, 100	32, 36, 40, 48, 64	48, 64, 80, 100	48, 64, 100
Supply Voltage	1.6 - 5.5	1.6 - 5.5	1.6 - 5.5	2.7 - 3.6

Application Block Diagrams

	Mode 3 AC EV Charger Wallbox Scalable Mode 3 AC EV charging platform for residential and public charging applications.
	Humanoid Battery Management System Integrated humanoid robot BMS enabling safe, real-time power management, protection, and battery-state control.
	Level 2 EV Charger Modular EVSE system with advanced connectivity for efficient EV charging and management.
	Magnetic Flow Meter Magnetic flow meters ensure precise flow measurement using electromagnetic induction, ideal for various industries.
	Smart Thermostat IoT-enabled smart thermostat offers remote monitoring, and energy efficiency, and supports rapid prototyping tools.
	Three-Phase Smart Electric Meter Three-phase smart meter with remote data access and high-voltage operation for heavy loads.

Additional Applications

Energy meters
Industrial automation
Building automation
Home appliances
Medical and healthcare
Digital home appliances/consumer products

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	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 (#)	Wireless	IrDA	High Resolution Output Timer	PWM Output (pin#)	16-Bit Timer (ch) (#)	Standby operable timer	Asynchronous General Purpose Timer / Interval Timer (ch)	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
R7FA2A2AD3CFP#AA1	Active	N/A		In Stock	LFQFP	1ku \| $3.74	Bulk (Tray)	RA	RA2	RA2A2	Arm	Arm Cortex-M23	No	No	32	512KB	8KB	48KB	Yes	100#	0.5mm	14 x 14 x 1.7	1#	1.6 - 5.5	71	DTC	1#	Yes	2	No	No	No	No	1	Ta=-40 to +105	13#	Yes	48MHz	Yes	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	5	1	2#	No	No	No	12	6#	Yes	10	Yes	4	7	7	No	No	No	No	Yes	Unique ID, TRNG, AES(128/256)	SWD	3	CHINA	JAPAN
R7FA2A2AD3CFP#BA1	Active	Available	2037 Dec	Out of Stock	LFQFP	1ku \| $3.74	Full Carton (Tray)	RA	RA2	RA2A2	Arm	Arm Cortex-M23	No	No	32	512KB	8KB	48KB	Yes	100#	0.5mm	14 x 14 x 1.7	1#	1.6 - 5.5	71	DTC	1#	Yes	2	No	No	No	No	720	Ta=-40 to +105	13#	Yes	48MHz	Yes	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	5	1	2#	No	No	No	12	6#	Yes	10	Yes	4	7	7	No	No	No	No	Yes	Unique ID, TRNG, AES(128/256)	SWD	3	CHINA	JAPAN
R7FA2A2AD3CFP#HA1	Active	N/A	2037 Dec	Out of Stock	LFQFP	1ku \| $3.74	Tape & Reel	RA	RA2	RA2A2	Arm	Arm Cortex-M23	No	No	32	512KB	8KB	48KB	Yes	100#	0.5mm	14 x 14 x 1.7	1#	1.6 - 5.5	71	DTC	1#	Yes	2	No	No	No	No	1000	Ta=-40 to +105	13#	Yes	48MHz	Yes	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	5	1	2#	No	No	No	12	6#	Yes	10	Yes	4	7	7	No	No	No	No	Yes	Unique ID, TRNG, AES(128/256)	SWD	3	CHINA	JAPAN
R7FA2A2AD3CFP#UA1	Active	N/A		Out of Stock	LFQFP	1ku \| $3.74	Full Tray (Tray)	RA	RA2	RA2A2	Arm	Arm Cortex-M23	No	No	32	512KB	8KB	48KB	Yes	100#	0.5mm	14 x 14 x 1.7	1#	1.6 - 5.5	71	DTC	1#	Yes	2	No	No	No	No	90	Ta=-40 to +105	13#	Yes	48MHz	Yes	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	5	1	2#	No	No	No	12	6#	Yes	10	Yes	4	7	7	No	No	No	No	Yes	Unique ID, TRNG, AES(128/256)	SWD	3	CHINA	JAPAN
R7FA2A2BD3CFM#AA1	Active	N/A		Out of Stock	LFQFP	1ku \| $3.26	Bulk (Tray)	RA	RA2	RA2A2	Arm	Arm Cortex-M23	No	No	32	512KB	8KB	48KB	Yes	64#	0.5mm	10 x 10 x 1.7	1#	1.6 - 5.5	43	DTC	1#	Yes	2	No	No	No	No	1	Ta=-40 to +105	12#	Yes	48MHz	Yes	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	4	1	1#	No	No	No	9	5#	Yes	10	Yes	2	4	4	No	No	No	No	Yes	Unique ID, TRNG, AES(128/256)	SWD	3	CHINA	JAPAN
R7FA2A2BD3CFM#BA1	Active	Available	2037 Dec	Out of Stock	LFQFP	1ku \| $3.26	Full Carton (Tray)	RA	RA2	RA2A2	Arm	Arm Cortex-M23	No	No	32	512KB	8KB	48KB	Yes	64#	0.5mm	10 x 10 x 1.7	1#	1.6 - 5.5	43	DTC	1#	Yes	2	No	No	No	No	1280	Ta=-40 to +105	12#	Yes	48MHz	Yes	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	4	1	1#	No	No	No	9	5#	Yes	10	Yes	2	4	4	No	No	No	No	Yes	Unique ID, TRNG, AES(128/256)	SWD	3	CHINA	JAPAN
R7FA2A2BD3CFM#HA1	Active	N/A	2037 Dec	Out of Stock	LFQFP	1ku \| $3.26	Tape & Reel	RA	RA2	RA2A2	Arm	Arm Cortex-M23	No	No	32	512KB	8KB	48KB	Yes	64#	0.5mm	10 x 10 x 1.7	1#	1.6 - 5.5	43	DTC	1#	Yes	2	No	No	No	No	1500	Ta=-40 to +105	12#	Yes	48MHz	Yes	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	4	1	1#	No	No	No	9	5#	Yes	10	Yes	2	4	4	No	No	No	No	Yes	Unique ID, TRNG, AES(128/256)	SWD	3	CHINA	JAPAN
R7FA2A2BD3CFM#UA1	Active	N/A		Out of Stock	LFQFP	1ku \| $3.26	Full Tray (Tray)	RA	RA2	RA2A2	Arm	Arm Cortex-M23	No	No	32	512KB	8KB	48KB	Yes	64#	0.5mm	10 x 10 x 1.7	1#	1.6 - 5.5	43	DTC	1#	Yes	2	No	No	No	No	160	Ta=-40 to +105	12#	Yes	48MHz	Yes	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	4	1	1#	No	No	No	9	5#	Yes	10	Yes	2	4	4	No	No	No	No	Yes	Unique ID, TRNG, AES(128/256)	SWD	3	CHINA	JAPAN
R7FA2A2BD3CFN#AA1	Active	N/A		Out of Stock	LFQFP	1ku \| $3.34	Bulk (Tray)	RA	RA2	RA2A2	Arm	Arm Cortex-M23	No	No	32	512KB	8KB	48KB	Yes	80#	0.5mm	12 x 12 x 1.7	1#	1.6 - 5.5	59	DTC	1#	Yes	2	No	No	No	No	1	Ta=-40 to +105	13#	Yes	48MHz	Yes	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	5	1	2#	No	No	No	11	6#	Yes	10	Yes	4	4	4	No	No	No	No	Yes	Unique ID, TRNG, AES(128/256)	SWD	3	CHINA	JAPAN
R7FA2A2BD3CFN#BA1	Active	Available	2037 Dec	Out of Stock	LFQFP	1ku \| $3.34	Full Carton (Tray)	RA	RA2	RA2A2	Arm	Arm Cortex-M23	No	No	32	512KB	8KB	48KB	Yes	80#	0.5mm	12 x 12 x 1.7	1#	1.6 - 5.5	59	DTC	1#	Yes	2	No	No	No	No	952	Ta=-40 to +105	13#	Yes	48MHz	Yes	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	5	1	2#	No	No	No	11	6#	Yes	10	Yes	4	4	4	No	No	No	No	Yes	Unique ID, TRNG, AES(128/256)	SWD	3	CHINA	JAPAN
R7FA2A2BD3CFN#HA1	Active	N/A	2037 Dec	Out of Stock	LFQFP	1ku \| $3.34	Tape & Reel	RA	RA2	RA2A2	Arm	Arm Cortex-M23	No	No	32	512KB	8KB	48KB	Yes	80#	0.5mm	12 x 12 x 1.7	1#	1.6 - 5.5	59	DTC	1#	Yes	2	No	No	No	No	1000	Ta=-40 to +105	13#	Yes	48MHz	Yes	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	5	1	2#	No	No	No	11	6#	Yes	10	Yes	4	4	4	No	No	No	No	Yes	Unique ID, TRNG, AES(128/256)	SWD	3	CHINA	JAPAN
R7FA2A2BD3CFN#UA1	Active	N/A		Out of Stock	LFQFP	1ku \| $3.34	Full Tray (Tray)	RA	RA2	RA2A2	Arm	Arm Cortex-M23	No	No	32	512KB	8KB	48KB	Yes	80#	0.5mm	12 x 12 x 1.7	1#	1.6 - 5.5	59	DTC	1#	Yes	2	No	No	No	No	119	Ta=-40 to +105	13#	Yes	48MHz	Yes	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	5	1	2#	No	No	No	11	6#	Yes	10	Yes	4	4	4	No	No	No	No	Yes	Unique ID, TRNG, AES(128/256)	SWD	3	CHINA	JAPAN
R7FA2A2BD3CFP#AA1	Active	N/A		Out of Stock	LFQFP	1ku \| $3.44	Bulk (Tray)	RA	RA2	RA2A2	Arm	Arm Cortex-M23	No	No	32	512KB	8KB	48KB	Yes	100#	0.5mm	14 x 14 x 1.7	1#	1.6 - 5.5	77	DTC	1#	Yes	2	No	No	No	No	1	Ta=-40 to +105	13#	Yes	48MHz	Yes	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	5	1	2#	No	No	No	12	6#	Yes	10	Yes	4	4	4	No	No	No	No	Yes	Unique ID, TRNG, AES(128/256)	SWD	3	CHINA	JAPAN
R7FA2A2BD3CFP#BA1	Active	Available	2037 Dec	Out of Stock	LFQFP	1ku \| $3.44	Full Carton (Tray)	RA	RA2	RA2A2	Arm	Arm Cortex-M23	No	No	32	512KB	8KB	48KB	Yes	100#	0.5mm	14 x 14 x 1.7	1#	1.6 - 5.5	77	DTC	1#	Yes	2	No	No	No	No	720	Ta=-40 to +105	13#	Yes	48MHz	Yes	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	5	1	2#	No	No	No	12	6#	Yes	10	Yes	4	4	4	No	No	No	No	Yes	Unique ID, TRNG, AES(128/256)	SWD	3	CHINA	JAPAN
R7FA2A2BD3CFP#HA1	Active	N/A	2037 Dec	Out of Stock	LFQFP	1ku \| $3.44	Tape & Reel	RA	RA2	RA2A2	Arm	Arm Cortex-M23	No	No	32	512KB	8KB	48KB	Yes	100#	0.5mm	14 x 14 x 1.7	1#	1.6 - 5.5	77	DTC	1#	Yes	2	No	No	No	No	1000	Ta=-40 to +105	13#	Yes	48MHz	Yes	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	5	1	2#	No	No	No	12	6#	Yes	10	Yes	4	4	4	No	No	No	No	Yes	Unique ID, TRNG, AES(128/256)	SWD	3	CHINA	JAPAN
R7FA2A2BD3CFP#UA1	Active	N/A		Out of Stock	LFQFP	1ku \| $3.44	Full Tray (Tray)	RA	RA2	RA2A2	Arm	Arm Cortex-M23	No	No	32	512KB	8KB	48KB	Yes	100#	0.5mm	14 x 14 x 1.7	1#	1.6 - 5.5	77	DTC	1#	Yes	2	No	No	No	No	90	Ta=-40 to +105	13#	Yes	48MHz	Yes	Yes	No	( 0 / 0 )	( 0 / 0 )	( 0 / 0 )	No	5	1	2#	No	No	No	12	6#	Yes	10	Yes	4	4	4	No	No	No	No	Yes	Unique ID, TRNG, AES(128/256)	SWD	3	CHINA	JAPAN

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48MHz Arm Cortex-M23 Ultra-Low Power General-Purpose Microcontroller with Rich Peripherals