GD32C2x1 Series

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Overview

The GD32C2x1 series MCUs deliver enhanced processing performance and richer peripheral integration while maintaining strong cost efficiency, achieving a significant improvement in overall value.

Based on the Arm Cortex-M23 core, the series delivers up to 10% higher performance compared to Cortex-M0+ and operates at a main frequency of 48 MHz. It also provides efficient processing capabilities, including single-cycle multiplication and integer division, significantly improving software execution efficiency.

In terms of memory configuration, the series integrates 32 KB to 64 KB of reliable embedded Flash and 12 KB of low-power SRAM, with all memory regions featuring ECC error correction to ensure data integrity.

The GD32C2x1 series integrates up to four general-purpose 16-bit timers and one advanced 16-bit timer. It features two high-speed SPI interfaces supporting four-wire QSPI mode at up to 24 Mbps, two I2C interfaces support Fast Mode+ operation at up to 1Mbit/s., and three UART interfaces operating at up to 6 Mbps. In addition, it includes three DMA controllers and one I2S interface to ensure efficient data transfer and communication.

This series is ideal for applications including small household appliances, white goods, battery management systems(BMS), small display devices, portable consumer electronics, industrial auxiliary control systems, and automotive aftermarket equipment. It is available in multiple package options, including TSSOP20/LGA20, QFN28, LQFP32/QFN32, and LQFP48/QFN48, supporting flexible design requirements.

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GD32C231

Featuring the Cortex®-M23 core with a maximum frequency of 48MHz
Supports 32KB~64KB Flash and 12KB SRAM

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Part No	Core	Series	Package TSSOP20 QFN48 QFN32 QFN28 LQFP48 LQFP32 LGA20	Max Speed (MHz)	Flash (Bytes) 32K 64K	SRAM (Bytes)	I/O 18 26 30 45	GPTM (16bit)	Advanced TM (16bit)	SysTick (24bit)	WDG	RTC	USART+UART 2 3	I2C	SPI	I2S	12bit ADC Units (CHs) 1(9) 1(13) 1(12) 1(11)	Comp	Temperature Range(TA)
GD32C231C6T6	Cortex®-M23	GD32C231	LQFP48	48	32K	12K	45	4	1	1	2	1	3	2	2	1	1(13)	2	-40℃~85℃
GD32C231C8T6	Cortex®-M23	GD32C231	LQFP48	48	64K	12K	45	4	1	1	2	1	3	2	2	1	1(13)	2	-40℃~85℃
GD32C231C6U6	Cortex®-M23	GD32C231	QFN48	48	32K	12K	45	4	1	1	2	1	3	2	2	1	1(13)	2	-40℃~85℃
GD32C231C8U6	Cortex®-M23	GD32C231	QFN48	48	64K	12K	45	4	1	1	2	1	3	2	2	1	1(13)	2	-40℃~85℃
GD32C231K6T6	Cortex®-M23	GD32C231	LQFP32	48	32K	12K	30	4	1	1	2	1	3	2	2	1	1(12)	2	-40℃~85℃
GD32C231K8T6	Cortex®-M23	GD32C231	LQFP32	48	64K	12K	30	4	1	1	2	1	3	2	2	1	1(12)	2	-40℃~85℃
GD32C231K6U6	Cortex®-M23	GD32C231	QFN32	48	32K	12K	30	4	1	1	2	1	3	2	2	1	1(12)	2	-40℃~85℃
GD32C231K8U6	Cortex®-M23	GD32C231	QFN32	48	64K	12K	30	4	1	1	2	1	3	2	2	1	1(12)	2	-40℃~85℃
GD32C231G6U6TR	Cortex®-M23	GD32C231	QFN28	48	32K	12K	26	4	1	1	2	1	2	2	2	1	1(11)	2	-40℃~85℃
GD32C231G8U6TR	Cortex®-M23	GD32C231	QFN28	48	64K	12K	26	4	1	1	2	1	2	2	2	1	1(11)	2	-40℃~85℃
GD32C231F6P6TR	Cortex®-M23	GD32C231	TSSOP20	48	32K	12K	18	4	1	1	2	1	2	2	2	1	1(9)	2	-40℃~85℃
GD32C231F8P6TR	Cortex®-M23	GD32C231	TSSOP20	48	64K	12K	18	4	1	1	2	1	2	2	2	1	1(9)	2	-40℃~85℃
GD32C231F6V6TR	Cortex®-M23	GD32C231	LGA20	48	32K	12K	18	4	1	1	2	1	2	2	2	1	1(9)	2	-40℃~85℃
GD32C231F8V6TR	Cortex®-M23	GD32C231	LGA20	48	64K	12K	18	4	1	1	2	1	2	2	2	1	1(9)	2	-40℃~85℃