GD32F303

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Overview

The GD32F303 is the product line that offers SDIO as well as 21 channel ADC support within the GD32F30x product series. Its main frequency is up to 120MHz, and it supports up to 3072K Flash and 96K SARM. It also integrates CAN2.0B, USB FS, EXMC (External Memory Controller) as well as other digital and analog peripheral resources.

The GD32F303 product line provides LQFP48, LQFP64, LQFP100, and LQFP144 package options.

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Part No	Core	Series	Package LQFP64 LQFP48 LQFP144 LQFP100	Max Speed (MHz)	Flash (Bytes) 128K 256K 512K 1024K 2048K 3072K	SRAM (Bytes) 32K 48K 64K 96K	I/O up to 80 up to 51 up to 37 up to 112	GPTM (16bit) ≥ ≤	Advanced TM (16bit) ≥ ≤	Basic TM (16bit)	SysTick (24bit)	WDG	RTC	USART+UART 3+2 3+0	I2C	SPI	I2S	CAN 2.0B	USB 2.0	SDIO ≥ ≤	EXMC ≥ ≤	12bit ADC Units (CHs) 2(16) 2(10) 3(21) 3(16) 3(10)	12bit DAC Units
GD32F303CBT6	Cortex®-M4	GD32F303	LQFP48	120	128K	32K	up to 37	4	1	2	1	2	1	3+0	2	3	2	1	FS	0	0	2(10)	2
GD32F303CCT6	Cortex®-M4	GD32F303	LQFP48	120	256K	48K	up to 37	4	1	2	1	2	1	3+0	2	3	2	1	FS	0	0	3(10)	2
GD32F303CET6	Cortex®-M4	GD32F303	LQFP48	120	512K	64K	up to 37	4	1	2	1	2	1	3+0	2	3	2	1	FS	0	0	3(10)	2
GD32F303CGT6	Cortex®-M4	GD32F303	LQFP48	120	1024K	96K	up to 37	10	1	2	1	2	1	3+0	2	3	2	1	FS	0	0	3(10)	2
GD32F303RBT6	Cortex®-M4	GD32F303	LQFP64	120	128K	32K	up to 51	4	2	2	1	2	1	3+2	2	3	2	1	FS	0	0	2(16)	2
GD32F303RCT6	Cortex®-M4	GD32F303	LQFP64	120	256K	48K	up to 51	4	2	2	1	2	1	3+2	2	3	2	1	FS	1	0	3(16)	2
GD32F303RET6	Cortex®-M4	GD32F303	LQFP64	120	512K	64K	up to 51	4	2	2	1	2	1	3+2	2	3	2	1	FS	1	0	3(16)	2
GD32F303RGT6	Cortex®-M4	GD32F303	LQFP64	120	1024K	96K	up to 51	10	2	2	1	2	1	3+2	2	3	2	1	FS	1	0	3(16)	2
GD32F303RIT6	Cortex®-M4	GD32F303	LQFP64	120	2048K	96K	up to 51	10	2	2	1	2	1	3+2	2	3	2	1	FS	1	0	3(16)	2
GD32F303RKT6	Cortex®-M4	GD32F303	LQFP64	120	3072K	96K	up to 51	10	2	2	1	2	1	3+2	2	3	2	1	FS	1	0	3(16)	2
GD32F303VBT6	Cortex®-M4	GD32F303	LQFP100	120	128K	32K	up to 80	4	2	2	1	2	1	3+2	2	3	2	1	FS	0	1	2(16)	2
GD32F303VCT6	Cortex®-M4	GD32F303	LQFP100	120	256K	48K	up to 80	4	2	2	1	2	1	3+2	2	3	2	1	FS	1	1	3(16)	2
GD32F303VET6	Cortex®-M4	GD32F303	LQFP100	120	512K	64K	up to 80	4	2	2	1	2	1	3+2	2	3	2	1	FS	1	1	3(16)	2
GD32F303VGT6	Cortex®-M4	GD32F303	LQFP100	120	1024K	96K	up to 80	10	2	2	1	2	1	3+2	2	3	2	1	FS	1	1	3(16)	2
GD32F303VIT6	Cortex®-M4	GD32F303	LQFP100	120	2048K	96K	up to 80	10	2	2	1	2	1	3+2	2	3	2	1	FS	1	1	3(16)	2
GD32F303VKT6	Cortex®-M4	GD32F303	LQFP100	120	3072K	96K	up to 80	10	2	2	1	2	1	3+2	2	3	2	1	FS	1	1	3(16)	2
GD32F303ZCT6	Cortex®-M4	GD32F303	LQFP144	120	256K	48K	up to 112	4	2	2	1	2	1	3+2	2	3	2	1	FS	1	1	3(21)	2
GD32F303ZET6	Cortex®-M4	GD32F303	LQFP144	120	512K	64K	up to 112	4	2	2	1	2	1	3+2	2	3	2	1	FS	1	1	3(21)	2
GD32F303ZGT6	Cortex®-M4	GD32F303	LQFP144	120	1024K	96K	up to 112	10	2	2	1	2	1	3+2	2	3	2	1	FS	1	1	3(21)	2
GD32F303ZIT6	Cortex®-M4	GD32F303	LQFP144	120	2048K	96K	up to 112	10	2	2	1	2	1	3+2	2	3	2	1	FS	1	1	3(21)	2
GD32F303ZKT6	Cortex®-M4	GD32F303	LQFP144	120	3072K	96K	up to 112	10	2	2	1	2	1	3+2	2	3	2	1	FS	1	1	3(21)	2

Documentation

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Datasheet

User Manual

Application Note

Datasheet（2）
Title

EN

CN

Date
- DS-GD32F303xB-Datasheet-Rev1.0
  
  2024-01-12
- DS-GD32F303xx-Datasheet-Rev3.1
  
  2024-10-25
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User Manual（1）
Title

EN

CN

Date
- GD32F30x-User-Manual-Rev3.0
  
  2024-03-27
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Application Note（24）
Title

EN

CN

Date
- AN128 IEC61000-4-4 System level EFT Test
  
  2023-08-28
- AN127 IEC61000-4-2 System-Level ESD Test
  
  2023-08-28
- AN105 GD32 MCU Power Consumption Testing Process
  
  2023-08-28
- AN095 Methods to improve the accuracy of the GD32 MCU temperature sensor
  
  2024-06-04
- AN092 GD32 MCU GPIO structure and precautions_Rev1.4
  
  2024-9-26
- AN089 GD32 TSI TouchKey Software Library User Guide
  
  2023-08-28
- AN077 Process description about USB suspend and wake up
  
  2023-08-28
- AN075 Introduction of library invocation scheme based on MDK implementation
  
  2023-08-28
- AN073 Proper use of UID for firmware protection
  
  2023-08-28
- AN068 GD32 MCU Eclipse development environment setup tutorial for Windows
  
  2023-08-28
- AN065 FATFS file system porting based on GD32 MCU
  
  2023-08-28
- AN064 Calibration method of internal low speed oscillator using TIMER
  
  2022-12-08
- AN063 Touch Sensor Application Guidelines
  
  2022-12-08
- AN062 EMC Application Guideline of GD32 MCU
  
  2022-12-08
- AN060 Thermal management manual for GD32 MCU
  
  2022-12-08
- AN059 Methods to improve ADC sampling accuracy
  
  2022-12-08
- AN055 ESD Static Protection Manual
  
  2022-12-08
- AN053 GD32F30x&GD32F403 Hardware Development Guide
  
  2022-12-08
- AN052 GD32 MCU Resonator-Based Clock Circuits
  
  2022-12-08
- AN051 TVS Selection and Use of ESD Protection Devices
  
  2022-04-21
- AN050 GD32 USBFS&USBHS Firmware Library User Guide
  
  2022-04-21
- AN049 GD32 USBD Firmware Library User Guide
  
  2022-04-21
- AN047 Migration from GD32E103&C103 series to GD32F30x series
  
  2022-04-21
- AN011 Migration from GD32F10x series to GD32F30x series
  
  2022-04-21
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