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User Guide 

GD32VF103T-START 

9 

 

5.3. 

EXTI_Key_Interrupt_mode 

5.3.1. 

DEMO purpose 

This demo includes the following functions of GD32 MCU: 

 

Learn to use GPIO control the LED and the KEY 

 

Learn to use EXTI to generate external interrupt 

GD32VF103T-START board has one LED and Wakeup key. The LED1 is controlled by GPIO. 

This demo will show how to use the EXTI interrupt line to control the LED1.When press down 

the Wakeup Key, it will produce an interrupt. In the interrupt service function, the demo will 

toggle LED1. 

5.3.2. 

DEMO running result 

Download the program < 03_EXTI_Key_Interrupt_mode > to the START board, the LED1 will 

flash  once  for  test,  press  down  the Wakeup  Key,  LED1  will  be  turned  on.  Press  down  the 

Wakeup Key again, LED1 will be turned off. 

5.4. 

USBFS_Device 

5.4.1. 

CDC_ACM 

DEMO purpose 

This demo includes the following functions of GD32 MCU: 

 

Learn how to use the USBFS peripheral 

 

Learn how to implement USB CDC device 

Start board has one USBFS interface. In this demo, the startboard is enumerated as an USB 

virtual COM port, which was shown in device manager of PC as below. This demo makes the 

USB device look like a serial port, and loops back the contents of a text file over USB port. To 

run  the  demo,  input  a  message  using  the  PC's  keyboard.  Any  data  that  shows  in 

HyperTerminal is received from the device. 

 

DEMO running result 

Download  the  program  <04_USBFS\Device\CDC_ACM>  to  the  start  board  and  run. When 

you  input message through computer keyboard, the  HyperTerminal will receive  and shown 

Содержание GD32VF103T-START

Страница 1: ...GigaDevice Semiconductor Inc GD32VF103T START User Guide V1 0 ...

Страница 2: ...n 5 4 3 LED 5 4 4 KEY 5 4 5 USBFS 6 4 6 GD Link 6 4 7 MCU 7 4 8 Ardunio 7 5 Routine use guide 8 5 1 GPIO_Runing_LED 8 5 1 1 DEMO purpose 8 5 1 2 DEMO running result 8 5 2 GPIO_Key_Polling_mode 8 5 2 1 DEMO purpose 8 5 2 2 DEMO running result 8 5 3 EXTI_Key_Interrupt_mode 9 5 3 1 DEMO purpose 9 5 3 2 DEMO running result 9 5 4 USBFS_Device 9 5 4 1 CDC_ACM 9 5 4 2 MSC 10 5 5 USBFS_Host 11 5 5 1 MSC 1...

Страница 3: ...ure 4 2 Schematic diagram of boot option 5 Figure 4 3 Schematic diagram of LED function 5 Figure 4 4 Schematic diagram of Key function 5 Figure 4 5 Schematic diagram of USBFS 6 Figure 4 6 Schematic diagram of GD Link 6 Figure 4 7 Schematic diagram of MCU 7 Figure 4 8 Schematic diagram of Ardunio 7 ...

Страница 4: ...User Guide GD32VF103T START 3 List of Tables Table 2 1 Function pin assignment 4 Table 6 1 Revision history 12 ...

Страница 5: ...d uses Mini USB connecter to get power DC 5V which is the hardware system normal work voltage A GD Link on board is necessary in order to download and debug programs Select the correct boot mode and then power on the LEDPWR will turn on which indicates that the power supply is OK The projects are created based on eclipse 4 7 2 Note that to configure the Debug Configurations before debug and downlo...

Страница 6: ...agram of boot option R18 10KΩ 1 2 3 JP4 BOOT0 GND BOOT0 3V3 R1 10KΩ 1 2 3 JP5 BOOT1 GND PB2 3V3 4 3 LED Figure 4 3 Schematic diagram of LED function LED LED1 LED0603 LED GND R25 470Ω 4 4 KEY Figure 4 4 Schematic diagram of Key function PA0 R29 10KΩ 3V3 GND KEY K2 K 1102B ...

Страница 7: ...UT L_NRST GND 3V3 GND 1 2 3 4 JP100 4 1P2 54 3V3 GND MCU SWD Reset L_TMS IO L_TDI L_TDO SWO L_TCK CLK L_USB_DP L_SWDIO L_SWDCK L_SWDIO L_SWDCK 3V3 L_USB_DM BOOT0 44 NRST 7 OSC_IN PD0 5 OSC_OUT PD1 6 PA0 WKUP 10 PA1 11 PA2 12 PA3 13 PA4 14 PA5 15 PA6 16 PA7 17 PA8 29 PA9 30 PA10 31 PA11 32 PA12 33 PA13 JTMS SWDIO 34 PA14 JTCK SWCLK 37 PA15 JTDI 38 PB0 18 PB1 19 PB2 BOOT1 20 PB3 JTDO 39 PB4 JNTRST 4...

Страница 8: ...PA9 21 PB0 15 PB1 16 PB2 BOOT1 17 PB3 JTDO 30 PB4 JNTRST 31 PB5 32 PB6 33 PB7 34 VDD_1 19 VDD_2 27 VDD_3 1 VDDA 6 VSS_1 18 VSS_2 26 VSS_3 36 VSSA 5 U3 GD32VF103TBU6 JTMS JTCK JTDI JTDO PA10 Rx PB2 4 8 Ardunio Figure 4 8 Schematic diagram of Ardunio Ardunio 1 2 3 4 5 6 JP7 HEADER 6 1 2 3 4 5 6 7 8 JP6 HEADER 8 1 2 3 4 5 6 7 8 JP9 HEADER 8 1 2 3 4 5 6 7 8 9 10 JP8 HEADER 10 5V 5V 3V3 3V3 NRST A1 A2 ...

Страница 9: ...es the following functions of GD32 MCU Learn to use GPIO control the LED and the KEY Learn to use SysTick to generate 1ms delay GD32VF103T START board has one LED and Wakeup key The LED1 is controlled by GPIO This demo will show how to use the Wakeup key to control the LED1 When press down the Wakeup Key it will check the input value of the IO port If the value is 1 and will wait for 50ms Check th...

Страница 10: ...wn the Wakeup Key LED1 will be turned on Press down the Wakeup Key again LED1 will be turned off 5 4 USBFS_Device 5 4 1 CDC_ACM DEMO purpose This demo includes the following functions of GD32 MCU Learn how to use the USBFS peripheral Learn how to implement USB CDC device Start board has one USBFS interface In this demo the startboard is enumerated as an USB virtual COM port which was shown in devi...

Страница 11: ...age medium For more details of the MSC protocol please refer to the MSC protocol standard MSC device will use a variety of transport protocols and command formats for communication so it need to choose the appropriate protocol and command format in the realization of the application This demo selects the BOT bulk only transport protocol and the required SCSI small computer interface command and is...

Страница 12: ...ternal Udisk DEMO Running Result Jump the JP11 to OTG and the JP10 to Usart Then insert the OTG cable to the USB port download the program 04_USBFS Host MSC_Host to the start board and run If an Udisk has been attached the COM will print Device connect indicating that the U disk is successfully connected First pressing the Wakeup key the COM will print Read List indicating that the contents of the...

Страница 13: ...User Guide GD32VF103T START 12 6 Revision history Table 6 1 Revision history Revision No Description Date 1 0 Initial Release Sept 18 2019 ...

Страница 14: ...nary business industrial personal and or household applications only The Products are not designed intended or authorized for use as components in systems designed or intended for the operation of weapons weapons systems nuclear installations atomic energy control instruments combustion control instruments airplane or spaceship instruments transportation instruments traffic signal instruments life...

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