GD32E503xxDatasheet
Table of Contents
Table of Contents...........................................................................................................1
List of Figures ................................................................................................................4
List of Tables ..................................................................................................................5
1. General description .................................................................................................7
2. Device overview.......................................................................................................8
2.1. Device information ...................................................................................................... 8
2.2. Block diagram.............................................................................................................. 9
2.3. Pinouts and pin assignment..................................................................................... 10
2.4. Memory map .............................................................................................................. 13
2.5. Clock tree................................................................................................................... 17
2.6. Pin definitions............................................................................................................ 18
2.6.1.
2.6.2.
2.6.3.
2.6.4.
GD32E503Zx LQFP144 pin definitions ................................................................................ 18
GD32E503Vx LQFP100 pin definitions ................................................................................ 28
GD32E503Rx LQFP64 pin definitions .................................................................................. 35
GD32E503Cx LQFP48 pin definitions .................................................................................. 40
3. Functional description .......................................................................................... 44
3.1. Arm® Cortex®-M33 core............................................................................................. 44
3.2. Embedded memory ................................................................................................... 44
3.3. Clock, reset and supply management...................................................................... 45
3.4. Boot modes................................................................................................................ 45
3.5. Power saving modes................................................................................................. 46
3.6. Analog to digital converter (ADC) ............................................................................ 47
3.7. Digital to analog converter (DAC)............................................................................. 47
3.8. DMA............................................................................................................................ 47
3.9. General-purpose inputs/outputs (GPIOs) ................................................................ 48
3.10.
3.11.
3.12.
3.13.
3.14.
Timers and PWM generation ................................................................................. 48
Real time clock (RTC) ............................................................................................ 49
Inter-integrated circuit (I2C) .................................................................................. 50
Serial peripheral interface (SPI) ............................................................................ 50
Universal synchronous asynchronous receiver transmitter (USART) ............... 51
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