User Guide
GD32E503R-START
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Tables of Contents
TABLES OF CONTENTS ................................................................................................1
LIST OF FIGURES ..........................................................................................................2
LIST OF TABLES ............................................................................................................3
1. SUMMARY ................................................................................................................4
2. FUNCTION PIN ASSIGN...........................................................................................4
3. GETTING STARTED .................................................................................................4
4. HARDWARE LAYOUT OVERVIEW..........................................................................5
4.1. Power supply............................................................................................................... 5
4.2. Boot option .................................................................................................................. 5
4.3. LED............................................................................................................................... 5
4.4. KEY............................................................................................................................... 6
4.5. USART.......................................................................................................................... 6
4.6. USB............................................................................................................................... 6
4.7. Extension..................................................................................................................... 7
4.8. GD-Link ........................................................................................................................ 7
4.9. Arduino......................................................................................................................... 7
4.10. MCU........................................................................................................................... 8
5. ROUTINE USE GUIDE..............................................................................................9
5.1. GPIO_Running_LED.................................................................................................... 9
5.1.1. DEMO purpose....................................................................................................................... 9
5.1.2. DEMO running result .............................................................................................................. 9
5.2. GPIO_Key_Polling_mode............................................................................................ 9
5.2.1. DEMO purpose....................................................................................................................... 9
5.2.2. DEMO running result .............................................................................................................. 9
5.3. EXTI_Key_Interrupt_mode........................................................................................ 10
5.3.1. DEMO purpose..................................................................................................................... 10
5.3.2. DEMO running result ............................................................................................................ 10
5.4. USART_HyperTerminal_Interrupt............................................................................. 10
5.4.1. DEMO purpose..................................................................................................................... 10
5.4.2. DEMO running result ............................................................................................................ 10
5.5. TIMER_Key_EXTI....................................................................................................... 11
5.5.1. DEMO purpose......................................................................................................................11
5.5.2. DEMO running result .............................................................................................................11
5.6. USBD_CDC_ACM ...................................................................................................... 11
5.6.1. DEMO purpose......................................................................................................................11
5.6.2. DEMO running result ............................................................................................................ 12
6. REVISION HISTORY...............................................................................................13
