GigaDevice Semiconductor GD32L233K-START User Manual Download

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User Guide

GD32L233K-START

4.5.

USART

Figure 4-5.

Schematic diagram of USART

UD+

UD-

GND

RTS#

CTS#

TNOW

VCC

TXD

RXD

CH340E

D+
D-

+3V3

USART_TX
USART_RX

50V/0.01uF

50V/0.1uF

D+

D-

50V/4700pF

USART To USB

VCC

D-

D+

GND

SHELL

CN2

Mini_USB

PA9
PA10

4.6.

USB

Figure 4-6.

Schematic diagram of USB

GND

PA11
PA12

50V/4700pF

USB_DM
USB_DP

VBUS

GND

Shield

CN1

Mini_USB

USB

4.7.

GD-Link

Figure 4-7.

Schematic diagram of GD-Link

Summary of Contents for GD32L233K-START

Page 1: ...GigaDevice Semiconductor Inc GD32L233K START Arm Cortex M23 32 bit MCU User Guide Revision 1 0 Nov 2021 ...

Page 2: ... Routine use guide 11 5 1 GPIO_Running_LED 11 5 1 1 DEMO purpose 11 5 1 2 DEMO running result 11 5 2 GPIO_Key_Polling_mode 11 5 2 1 DEMO purpose 11 5 2 2 DEMO running result 11 5 3 EXTI_Key_Interrupt_mode 12 5 3 1 DEMO purpose 12 5 3 2 DEMO running result 12 5 4 USART_HyperTerminal_Interrupt 12 5 4 1 DEMO purpose 12 5 4 2 DEMO running result 12 5 5 TIMER_Key_EXTI 13 5 5 1 DEMO purpose 13 5 5 2 DEM...

Page 3: ...iagram of boot option 7 Figure 4 3 Schematic diagram of LED function 7 Figure 4 4 Schematic diagram of Key function 7 Figure 4 5 Schematic diagram of USART 8 Figure 4 6 Schematic diagram of USB 8 Figure 4 7 Schematic diagram of GD Link 8 Figure 4 8 Schematic diagram of Arduino 9 Figure 4 9 Schematic diagram of MCU 10 ...

Page 4: ...User Guide GD32L233K START 3 16 List of Tables Table 2 1 Function pin assignment 5 Table 6 1 Revision history 15 ...

Page 5: ...D32L233K START uses GD32L233KBT6 as the main controller It uses GD Link Mini USB interfacetosupply 5V power Reset Boot Buttonkey LED USB andUSARTtoUSB interface are also included For more details please refer to GD32L233K START_Rev1 0 schematic ...

Page 6: ...32L233K START 5 16 2 Function Pin Assign Table 2 1 Function pin assignment Function Pin Description LED P A8 LED1 RESET Reset KEY P A0 K2 Wakeup key USART P A9 USART0_TX P A10 USART0_RX USB P A11 USB_DM P A12 USB_DP ...

Page 7: ...s thepower supply is OK There are Keil version and IAR version of all projects Keil version of the projects are created basedon Keil MDK ARM 5 26uVision5 IARversionof theprojects arecreatedbasedon IAR Embedded Workbench forARM 8 32 1 During use thefollowing points should be noted 1 If you use Keil uVision5 to open the project In order to solve the Device Missing s problem you can install GigaDevic...

Page 8: ...V 10uF AVX GND 3V3 LEDPWR LED0603 R32 470Ω P1 SMD1210P050TF 5V U5V 4 2 Boot option Figure 4 2 Schematic diagram 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 PA8 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 ...

Page 9: ..._TX USART_RX C3 50V 0 01uF C4 50V 0 1uF D D C5 50V 4700pF R5 1MΩ USART To USB VCC 1 D 2 D 3 ID 4 GND 5 SHELL 6 CN2 Mini_USB PA9 PA10 4 6 USB Figure 4 6 Schematic diagram of USB GND R2 22Ω R3 22Ω PA11 PA12 R4 1MΩ C2 50V 4700pF USB_DM USB_DP VBUS 1 DM 2 DP 3 ID 4 GND 5 Shield 6 USB_MiniAB receptacle CN1 Mini_USB USB 4 7 GD Link Figure 4 7 Schematic diagram of GD Link ...

Page 10: ...4 JNTRST 40 PB5 41 PB6 42 PB7 43 PB8 45 PB9 46 PB10 21 PB11 22 PB12 25 PB13 26 PB14 27 PB15 28 PC13 TAMPER RTC 2 PC14 OSC32_IN 3 PC15 OSC32_OUT 4 VBAT 1 VDD_1 24 VDD_2 36 VDD_3 48 VDDA 9 VSS_1 23 VSS_2 35 VSS_3 47 VSSA 8 U0 GD32F103C8T6 L_TReset L_LED1 L_LED2 L_LED1 LED0603 L_LED2 LED0603 R109 470Ω R110 470Ω GND GND R105 22R R106 22R R108 1MΩ C104 50V 4700pF L_USB_DM L_USB_DP GND R107 1 5KΩ L_USB_...

Page 11: ... NRST L_TMS IO L_TCK CLK L_TReset GDLink SWD PA0 PA1 PA2 PA7 PA6 PA5 PA4 PA13 PA12 PA11 PA10 PA9 PA8 PA14 PA15 PB1 PB0 PB6 PB7 PB3 PB4 PB5 GND VDDA C23 50V 0 01uF 3V3 L1 EBLS1608 3R3K SWDAT SWCLK BOOT0 31 NRST 4 OSC_IN PF0 2 OSC_OUT PF1 3 PA0 6 PA1 7 PA10 20 PA9 19 PA11 21 PA12 22 PA13 SWDIO 23 PA2 8 PA3 9 PA4 10 PA5 11 PA6 12 PA7 13 VDD 1 PB0 14 PB1 15 PB3 26 PB4 27 PB5 28 PB6 29 PB7 30 VDDA 5 PA...

Page 12: ...the following functions of GD32 MCU Learn to use GPIO control the LED and the KEY Learn to use SysTick to generate 1ms delay GD32L233K START board has two keys and one LED The two keys are Reset key 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 Wakeupkey it will checktheinput valueof theIO port If thevalue is 0an...

Page 13: ...y LED1 will be turned on Press down the Wakeup key again LED1 will be turned off 5 4 USART_HyperTerminal_Interrupt 5 4 1 DEMO purpose This demo includes the following functions of GD32 MCU Learn to use the USART transmit and receive interrupts to communicate with the HyperTerminal 5 4 2 DEMO running result Download the program 04_USART_HyperTerminal_Interrupt to the EVAL board and connect serial c...

Page 14: ...p Key it will generate an interrupt In the interrupt service function the demo will toggle LED1 5 5 2 DEMO running result Download the program 05_TIMER_Key_EXTI to the START board 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 Jump JP3 to Dx and connect PA6 TIMER2_CH0 and PB1 with DuPont line The LED1 will be t...

Page 15: ...a message using the PC s keyboard Any data that shows in HyperTerminal is received from the device 5 6 2 DEMO Running Result Download the program 06_USBD_CDC_ACM to the START board and run When user input message through computer keyboard the HyperTerminal will receive and shown the message For example when you input GigaDevice MCU the HyperTerminal will get and show it as below ...

Page 16: ...User Guide GD32L233K START 15 16 6 Revision history Table 6 1 Revision history Revision No Description Date 1 0 Initial Release Nov 15 2021 ...

Page 17: ...y busi ness industrial personal and or householdapplicationsonly TheProductsare not designed intended or authorizedfor use ascomponents in systems designed or intended for the operation of weapons weapons systems nuclear installations atomic energy control instruments combustioncontrol instruments airplane or spaceship instruments transportation instruments traff ic signal instruments life support...

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