User Guide
GD32EPRTV-START
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Tables of Contents
TABLES OF CONTENTS ................................................................................................1
LIST OF FIGURES ..........................................................................................................3
LIST OF TABLES ............................................................................................................4
1. SUMMARY ................................................................................................................5
2. FUNCTION PIN ASSIGN...........................................................................................5
3. GETTING STARTED .................................................................................................5
4. HARDWARE LAYOUT OVERVIEW..........................................................................6
4.1. Power supply............................................................................................................... 6
4.2. Boot option .................................................................................................................. 6
4.3. LED............................................................................................................................... 6
4.4. KEY............................................................................................................................... 6
4.5. USART.......................................................................................................................... 7
4.6. USB............................................................................................................................... 7
4.7. Extension..................................................................................................................... 7
4.8. GD-Link ........................................................................................................................ 8
4.9. MCU.............................................................................................................................. 9
5. ROUTINE USE GUIDE............................................................................................10
5.1. GPIO_Running_LED.................................................................................................. 10
5.1.1. DEMO purpose..................................................................................................................... 10
5.1.2. DEMO running result ............................................................................................................ 10
5.2. GPIO_Key_Polling_mode.......................................................................................... 10
5.2.1. DEMO purpose..................................................................................................................... 10
5.2.2. DEMO running result ............................................................................................................ 10
5.3. EXTI_Key_Interrupt_mode........................................................................................ 11
5.3.1. DEMO purpose......................................................................................................................11
5.3.2. DEMO running result .............................................................................................................11
5.4. USART_HyperTerminal_Interrupt............................................................................. 11
5.4.1. DEMO purpose......................................................................................................................11
5.4.2. DEMO running result .............................................................................................................11
5.5. TIMER_Key_EXTI....................................................................................................... 12
5.5.1. DEMO purpose..................................................................................................................... 12
5.5.2. DEMO running result ............................................................................................................ 12
5.6. SQPI_PSRAM............................................................................................................. 12
5.6.1. DEMO purpose..................................................................................................................... 12
5.6.2. DEMO running result ............................................................................................................ 13
5.7. USBD_CDC_ACM ...................................................................................................... 13
5.7.1. DEMO purpose..................................................................................................................... 13
