GD32E103xx Datasheet
1
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 .............................................................................................................. 12
2.5. Clock tree ................................................................................................................... 16
2.6. Pin definitions ............................................................................................................ 16
2.6.1. GD32E103Vx LQFP100 pin definitions ................................................................................ 17
2.6.2. GD32E103Rx LQFP64 pin definitions .................................................................................. 23
2.6.3. GD32E103Cx LQFP48 pin definitions .................................................................................. 27
2.6.4. GD32E103Tx QFN36 pin definitions .................................................................................... 30
3. Functional description .......................................................................................... 33
3.1. ARM
®
Cortex™-M4 core ............................................................................................ 33
3.2. On-chip memory ........................................................................................................ 33
3.3. Clock, reset and supply management ...................................................................... 34
3.4. Boot modes ................................................................................................................ 34
3.5. Power saving modes ................................................................................................. 35
3.6. Analog to digital converter (ADC) ............................................................................ 35
3.7. Digital to analog converter (DAC) ............................................................................. 36
3.8. DMA ............................................................................................................................ 36
3.9. General-purpose inputs/outputs (GPIOs) ................................................................ 36
3.10. Timers and PWM generation ................................ ................................................. 37
3.11. Real time clock (RTC) ............................................................................................ 38
3.12. Inter-integrated circuit (I2C) .................................................................................. 38
3.13. Serial peripheral interface (SPI) ................................................................ ............ 38
3.14. Universal synchronous asynchronous receiver transmitter (USART) ............... 39