GD32C2x1 Series

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Overview

The GD32C2x1 series MCUs significantly enhance performance and peripheral specifications while maintaining excellent price competitiveness, achieving a substantial upgrade in cost-effectiveness. This series adopts Arm's advanced Cortex^®-M23 core architecture, delivering 10% higher performance than the Cortex^®-M0+ and reaching a main frequency of 48MHz. With efficient processing capabilities such as single-cycle multiplication and integer division operations, it greatly improves software execution efficiency.

In terms of memory configuration, it features 32KB~64KB of highly reliable embedded Flash and 12KB of low-power SRAM, with all memory areas equipped with ECC error correction. To meet the needs of diverse application scenarios, it offers multiple packaging options, including TSSOP20/LGA20, QFN28, LQFP32/QFN32, and LQFP48/QFN48.

The GD32C2x1 series MCUs provide up to four general-purpose 16-bit timers and one 16-bit advanced timer. It is equipped with two high-speed SPI interfaces (supporting four-wire QSPI mode at 24Mbps), two I2C interfaces (supporting Fast Mode+ at 1Mbit/s), and three UARTs (at 6Mbps), along with three DMA controllers and one I2S interface, ensuring high-efficiency communication.

It is particularly well-suited for applications such as small household appliances, white goods, BMS battery management systems, small display devices, portable consumer electronics, industrial auxiliary control systems, and automotive aftermarket equipment.

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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
GD32C231C6T6	Cortex®-M23	GD32C231	LQFP48	48	32K	12K	45	4	1	1	2	1	3	2	2	1	1(13)	2
GD32C231C8T6	Cortex®-M23	GD32C231	LQFP48	48	64K	12K	45	4	1	1	2	1	3	2	2	1	1(13)	2
GD32C231C6U6	Cortex®-M23	GD32C231	QFN48	48	32K	12K	45	4	1	1	2	1	3	2	2	1	1(13)	2
GD32C231C8U6	Cortex®-M23	GD32C231	QFN48	48	64K	12K	45	4	1	1	2	1	3	2	2	1	1(13)	2
GD32C231K6T6	Cortex®-M23	GD32C231	LQFP32	48	32K	12K	30	4	1	1	2	1	3	2	2	1	1(12)	2
GD32C231K8T6	Cortex®-M23	GD32C231	LQFP32	48	64K	12K	30	4	1	1	2	1	3	2	2	1	1(12)	2
GD32C231K6U6	Cortex®-M23	GD32C231	QFN32	48	32K	12K	30	4	1	1	2	1	3	2	2	1	1(12)	2
GD32C231K8U6	Cortex®-M23	GD32C231	QFN32	48	64K	12K	30	4	1	1	2	1	3	2	2	1	1(12)	2
GD32C231G6U6TR	Cortex®-M23	GD32C231	QFN28	48	32K	12K	26	4	1	1	2	1	2	2	2	1	1(11)	2
GD32C231G8U6TR	Cortex®-M23	GD32C231	QFN28	48	64K	12K	26	4	1	1	2	1	2	2	2	1	1(11)	2
GD32C231F6P6TR	Cortex®-M23	GD32C231	TSSOP20	48	32K	12K	18	4	1	1	2	1	2	2	2	1	1(9)	2
GD32C231F8P6TR	Cortex®-M23	GD32C231	TSSOP20	48	64K	12K	18	4	1	1	2	1	2	2	2	1	1(9)	2
GD32C231F6V6TR	Cortex®-M23	GD32C231	LGA20	48	32K	12K	18	4	1	1	2	1	2	2	2	1	1(9)	2
GD32C231F8V6TR	Cortex®-M23	GD32C231	LGA20	48	64K	12K	18	4	1	1	2	1	2	2	2	1	1(9)	2