GD32A503

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Overview

The GD32A503 Automotive MCU is based on the Arm^® Cortex^®-M33 core operating at up to 100 MHz and integrates 384KB PFlash and 48 KB SRAM. It also features a dedicated storage area configurable as either 64 KB DFlash or 4 KB EEPROM. The device supports a wide operating voltage range from 2.7 V to 5.5 V and an operating temperature range of –40 °C to +125 °C (Grade 1), making it suitable for demanding automotive environments.

To support automotive communication and body control applications, the GD32A5xx integrates a rich set of peripheral resources, including up to two CAN FDs and three LIN interfaces. These communication peripherals enable reliable connectivity and flexible system integration for a wide range of automotive electronic systems.

The device integrates ECC and CRC hardware mechanisms to enhance data integrity and system reliability. Real-time voltage and clock monitoring functions provide continuous system supervision, ensuring safe and stable operation in automotive applications.

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Part No	Core	Series	Package QFN32 LQFP64 LQFP48 LQFP100	Max Speed (MHz)	Flash (Bytes) 128K 256K 384K	SRAM (Bytes) 24K 32K 48K	I/O up to 88 up to 57 up to 42 up to 27	GPTM (16bit)	Advanced TM (16bit) ≥ ≤	Basic TM (16bit)	SysTick (24bit)	WDG	RTC	USART+UART 1 2 3	I2C	SPI ≥ ≤	I2S ≥ ≤	CAN 2.0B 1xFD 2xFD	MFCOM	LIN ≥ ≤	12bit ADC Units (CHs) 2(32) 2(27) 2(20) 2(12)	12bit DAC Units	Comp	Dflash(Bytes) 32K 64K	Temperature Range(TA)
GD32A503KBU3	Cortex®-M33	GD32A503	QFN32	100	128K	24K	up to 27	1	3	2	1	2	1	1	2	1	0	1xFD	1	1	2(12)	1	1	32K	-40℃~125℃
GD32A503KCU3	Cortex®-M33	GD32A503	QFN32	100	256K	32K	up to 27	1	4	2	1	2	1	1	2	1	0	1xFD	1	1	2(12)	1	1	64K	-40℃~125℃
GD32A503CBT3	Cortex®-M33	GD32A503	LQFP48	100	128K	24K	up to 42	1	3	2	1	2	1	2	2	2	1	2xFD	1	2	2(20)	1	1	32K	-40℃~125℃
GD32A503CCT3	Cortex®-M33	GD32A503	LQFP48	100	256K	32K	up to 42	1	4	2	1	2	1	2	2	2	1	2xFD	1	2	2(20)	1	1	64K	-40℃~125℃
GD32A503RBT3	Cortex®-M33	GD32A503	LQFP64	100	128K	24K	up to 57	1	3	2	1	2	1	3	2	2	1	2xFD	1	3	2(27)	1	1	32K	-40℃~125℃
GD32A503RCT3	Cortex®-M33	GD32A503	LQFP64	100	256K	32K	up to 57	1	4	2	1	2	1	3	2	2	1	2xFD	1	3	2(27)	1	1	64K	-40℃~125℃
GD32A503RDT3	Cortex®-M33	GD32A503	LQFP64	100	384K	48K	up to 57	1	4	2	1	2	1	3	2	2	1	2xFD	1	3	2(27)	1	1	64K	-40℃~125℃
GD32A503VBT3	Cortex®-M33	GD32A503	LQFP100	100	128K	24K	up to 88	1	4	2	1	2	1	3	2	2	1	2xFD	1	3	2(32)	1	1	32K	-40℃~125℃
GD32A503VCT3	Cortex®-M33	GD32A503	LQFP100	100	256K	32K	up to 88	1	4	2	1	2	1	3	2	2	1	2xFD	1	3	2(32)	1	1	64K	-40℃~125℃
GD32A503VDT3	Cortex®-M33	GD32A503	LQFP100	100	384K	48K	up to 88	1	4	2	1	2	1	3	2	2	1	2xFD	1	3	2(32)	1	1	64K	-40℃~125℃