GD32E252/251/232 Series

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Overview

The GigaDevice GD32E252/251/232 series microcontrollers deliver exceptional mixed-signal performance powered by the Arm^® Cortex^®-M23 core running at up to 72 MHz for analog-intensive operations. Engineered to minimize PCB size and lower BOM costs in cost-sensitive industrial products, this series integrates up to four channels of 12-bit precision DAC outputs—eliminating the need for external digital potentiometers—and a built-in acceleration unit paired with a hardware multiplier/divider for fast, precise PWM duty cycle and DAC control.

To maximize analog measurement accuracy, the series integrates a high-performance 12-bit ADC featuring a 2.6MSPS sampling rate across up to 16 reusable channels, fully supporting 16-bit hardware oversampling filtering and resolution configuration functions for market-leading precision. Furthermore, the newly equipped Configurable Logic Array (CLA) provides unmatched hardware flexibility for field applications, implementing simple combinational and sequential logic operations to drastically enhance CPU efficiency and real-time signal processing performance.

Operating from a 1.8V to 3.6V power supply within a -40°C to +105°C industrial temperature range, these MCUs are housed in space-saving QFN32 and QFN24 packages. They come fully equipped with robust resources for industrial applications, including up to five 16-bit general-purpose timers, one 16-bit advanced vector control timer supporting three-phase PWM output, two 16-bit basic timers, a multi-channel DMA controller, and a versatile suite of serial interfaces comprising two USARTs, two SPIs, two I2Cs, and one I2S.

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GD32E232

Based on the Cortex®-M23 core, up to 72MHz operating frequency.
Integrated 64KB Flash and 8KB SRAM.
Support 32-bit GP Timer, 4x 12-bitDAC.
GD32E252

Based on the Cortex®-M23 core, up to 72MHz operating frequency.
Integrated 64KB Flash and 8KB SRAM.
Support 32-bit GP Timer, 4x 12-bit DAC.
Up to 29 IO
GD32E251

Based on the Cortex®-M23 core, up to 72MHz operating frequency.
Integrated 64KB Flash and 8KB SRAM.
Support 32-bit GP Timer, 4x 12-bit DAC.
Up to 28 IO

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Part No	Core	Series GD32E252 GD32E251 GD32E232	Package QFN32 QFN24	Max Speed (MHz)	Flash (Bytes) 16K 32K 64K	SRAM (Bytes) 4K 6K 8K	I/O up to 29 up to 28 up to 20 up to 18	GPTM (32bit)	GPTM (16bit) ≥ ≤	Advanced TM (16bit)	Basic TM (16bit)	SysTick (24bit)	WDG	RTC 0 1	USART+UART 2+0 2	I2C ≥ ≤	SPI ≥ ≤	I2S	12bit ADC Units (CHs) 1(9) 1(20) 1(19) 1(16) 1(12) 1(11)	12bit DAC Units	Comp ≥ ≤	Temperature Range(TA)
GD32E251E4Q7TR	Cortex®-M23	GD32E251	QFN24	72	16K	4K	up to 20	1	5	1	2	1	2	0	2	3	1	1	1(12)	4	1	-40℃~105℃
GD32E251E6Q7TR	Cortex®-M23	GD32E251	QFN24	72	32K	6K	up to 20	1	5	1	2	1	2	0	2	3	1	1	1(12)	4	1	-40℃~105℃
GD32E251E8Q7TR	Cortex®-M23	GD32E251	QFN24	72	64K	8K	up to 20	1	5	1	2	1	2	0	2	3	2	1	1(12)	4	1	-40℃~105℃
GD32E251K4Q7TR	Cortex®-M23	GD32E251	QFN32	72	16K	4K	up to 29	1	5	1	2	1	2	0	2	3	1	1	1(20)	4	1	-40℃~105℃
GD32E251K6Q7TR	Cortex®-M23	GD32E251	QFN32	72	32K	6K	up to 29	1	5	1	2	1	2	0	2	3	1	1	1(20)	4	1	-40℃~105℃
GD32E251K8Q7TR	Cortex®-M23	GD32E251	QFN32	72	64K	8K	up to 29	1	5	1	2	1	2	0	2	3	2	1	1(20)	4	1	-40℃~105℃
GD32E252E4Q7TR	Cortex®-M23	GD32E252	QFN24	72	16K	4K	up to 18	1	5	1	2	1	2	0	2	3	1	1	1(11)	4	1	-40℃~105℃
GD32E252E6Q7TR	Cortex®-M23	GD32E252	QFN24	72	32K	6K	up to 18	1	5	1	2	1	2	0	2	3	1	1	1(11)	4	1	-40℃~105℃
GD32E252E8Q7TR	Cortex®-M23	GD32E252	QFN24	72	64K	8K	up to 18	1	5	1	2	1	2	0	2	3	2	1	1(11)	4	1	-40℃~105℃
GD32E252K4Q7TR	Cortex®-M23	GD32E252	QFN32	72	16K	4K	up to 28	1	5	1	2	1	2	0	2	3	1	1	1(19)	4	1	-40℃~105℃
GD32E252K6Q7TR	Cortex®-M23	GD32E252	QFN32	72	32K	6K	up to 28	1	5	1	2	1	2	0	2	3	1	1	1(19)	4	1	-40℃~105℃
GD32E252K8Q7TR	Cortex®-M23	GD32E252	QFN32	72	64K	8K	up to 28	1	5	1	2	1	2	0	2	3	2	1	1(19)	4	1	-40℃~105℃
GD32E232E4U7TR	Cortex®-M23	GD32E232	QFN24	72	16K	4K	up to 18	1	4	1	2	1	2	1	2+0	2	1	1	1(9)	4	0	-40℃~105℃
GD32E232E6U7TR	Cortex®-M23	GD32E232	QFN24	72	32K	6K	up to 18	1	4	1	2	1	2	1	2+0	2	1	1	1(9)	4	0	-40℃~105℃
GD32E232E8U7TR	Cortex®-M23	GD32E232	QFN24	72	64K	8K	up to 18	1	5	1	2	1	2	1	2+0	2	2	1	1(9)	4	0	-40℃~105℃
GD32E232K4Q7TR	Cortex®-M23	GD32E232	QFN32	72	16K	4K	up to 28	1	4	1	2	1	2	1	2+0	2	1	1	1(16)	4	0	-40℃~105℃
GD32E232K6Q7TR	Cortex®-M23	GD32E232	QFN32	72	32K	6K	up to 28	1	4	1	2	1	2	1	2+0	2	1	1	1(16)	4	0	-40℃~105℃
GD32E232K8Q7TR	Cortex®-M23	GD32E232	QFN32	72	64K	8K	up to 28	1	5	1	2	1	2	1	2+0	2	2	1	1(16)	4	0	-40℃~105℃