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GigaDevice launches the GD32G5 series high-performance MCUs with Cortex®-M33 core, unleashing innovation potential in industrial applications

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GD32A503CBT3

Features

Documentation

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Home

> Products

> 32-bit Microcontrollers (MCUs)

> MCUs Product Selector

Features

Core

Cortex®-M33

Series

GD32A503

Package

LQFP48

Max Speed (MHz)

100

Flash (Bytes)

128K

SRAM (Bytes)

24K

I/O

up to 42

GPTM (16bit)

1

Advanced TM (16bit)

3

Basic TM (16bit)

2

SysTick (24bit)

1

WDG

2

RTC

1

USART+UART

2

I2C

2

SPI

2

I2S

1

CAN 2.0B

2xFD

MFCOM

1

LIN

2

12bit ADC Units (CHs)

2(20)

12bit DAC Units

1

Comp

1

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Technical Documentation

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Datasheet

User Manual

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Application Note

Search

Datasheet（1）
Title

EN

CN

Date
- DS-GD32A503xx-Datasheet-Rev2.0
  
  2024-11-12
Load all
User Manual（1）
Title

EN

CN

Date
- GD32A50x-User-Manual-Rev1.4
  
  2024-07-03
Load all
Errata（1）
Title

EN

CN

Date
- Device Limitations of GD32A503_Rev1.3
  
  2024-10-16
Load all
Application Note（22）
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
- 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
- AN036 Solution of I2C bus lock based on EEPROM communication
  
  2022-04-21
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