GD32E502xxDatasheet
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.
2.6.5.
GD32E502Vx LQFP100 pin definitions ................................................................................ 18
GD32E502Rx LQFP64 pin definitions .................................................................................. 26
GD32E502Cx LQFP48 pin definitions .................................................................................. 32
GD32E502Kx QFN32 pin definitions .................................................................................... 36
GD32E502xx pin alternate functions .................................................................................... 39
3. Functional description .......................................................................................... 45
3.1. Arm® Cortex®-M33 core............................................................................................. 45
3.2. Embedded memory ................................................................................................... 45
3.3. Clock, reset and supply management...................................................................... 46
3.4. Boot modes................................................................................................................ 46
3.5. Power saving modes................................................................................................. 47
3.6. Analog to digital converter (ADC) ............................................................................ 47
3.7. Digital to analog converter (DAC)............................................................................. 48
3.8. Controller area network (CAN).................................................................................. 48
3.9. Comparators (CMP)................................................................................................... 49
3.10.
3.11.
3.12.
3.13.
3.14.
Direct memory access controller (DMA)............................................................... 49
DMA request multiplexer (DMAMUX) .................................................................... 49
General-purpose inputs/outputs (GPIOs)............................................................. 49
Inter-integrated circuit (I2C) .................................................................................. 50
Inter-IC sound (I2S) ................................................................................................ 50
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