Features
Core
Cortex®-M33
Series
GD32A503
Package
QFN32
Max Speed (MHz)
100
Flash (Bytes)
256K
SRAM (Bytes)
32K
I/O
up to 27
GPTM (16bit)
1
Advanced TM (16bit)
4
Basic TM (16bit)
2
SysTick (24bit)
1
WDG
2
RTC
1
USART+UART
1
I2C
2
SPI
1
CAN 2.0B
1xFD
MFCOM
1
LIN
1
12bit ADC Units (CHs)
2(12)
12bit DAC Units
1
Comp
1
Dflash(Bytes)
64K
Temperature Range(TA)
-40℃-125℃
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Technical Documentation
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Datasheet（1）
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User Manual（1）
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Errata（1）
Title
EN
CN
Date
-
2024-12-30
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Application Note（28）
Title
EN
CN
Date
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2024-11-25
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2023-08-28
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2025-08-01
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2025-08-01
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2023-08-28
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2023-08-28
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2024-12-20
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2023-08-28
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You can subscribe to this document
AN095 Methods to improve the accuracy of the GD32 MCU temperature sensor
2024-06-04
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2024-12-20
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2023-08-28
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AN075 Introduction of library invocation scheme based on MDK implementation
2023-08-28
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2022-04-21
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2023-08-28
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AN068 GD32 MCU Eclipse development environment setup tutorial for Windows
2023-08-28
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2023-08-28
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AN064 Calibration method of internal low speed oscillator using TIMER
2022-12-08
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2022-12-08
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2025-08-01
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2022-12-08
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2022-12-08
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2022-12-08
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2022-12-08
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2022-04-21
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2022-04-21
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AN264 Using the EIDE Plugin in VS Code to Develop GD32 MCU_Rev1.0
2025-08-15
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Firmware Library（1）
Title
EN
CN
Date
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2025-02-12
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AddOn（1）
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Demo Suites（1）
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Other Software（1）
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