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Summary of Contents for GigaDevice Semiconductor GD32L233K-START
- Page 1 GigaDevice Semiconductor Inc. GD32L233K-START Cortex -M23 32-bit MCU ® ® User Guide Revision 1.0 (Nov. 2021)
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Page 2: Table Of Contents
User Guide GD32L233K-START Table of Contents Table of Contents......................... 1 List of Figures ........................2 List of Tables ........................3 1. Summary......................... 4 2. Function Pin Assign...................... 5 3. Getting started ....................... 6 4. Hardware layout overview ................... 7 Power supply......................7 4.1. -
Page 3: List Of Figures
User Guide GD32L233K-START List of Figures Figure 4-1. Schematic diagram of power supply ................7 Figure 4-2. Schematic diagram 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. -
Page 4: List Of Tables
User Guide GD32L233K-START List of Tables Table 2-1. Function pin assignment .................... 5 Table 6-1. Revision history ......................15 3/16... -
Page 5: Summary
GD32L233K-START Summary GD32L233K-START uses GD32L233KBT6 as the main controller. It uses GD-Link Mini USB interface to supply 5V power. Reset, Boot, Button key, LED, USB and USART to USB interface are also included. For more details, please refer to GD32L233K-START_Rev1.0 schematic. -
Page 6: Function Pin Assign
User Guide GD32L233K-START Function Pin Assign Table 2-1. Function pin assignment Function Description P A8 LED1 RESET Reset P A0 K2(Wakeup key) P A9 USART0_TX USART P A10 USART0_RX P A11 USB_DM P A12 USB_DP 5/16... -
Page 7: Getting Started
User Guide GD32L233K-START Getting started The EVAL board uses GD-Link 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 the power supply is OK. -
Page 8: Hardware Layout Overview
User Guide GD32L233K-START Hardware layout overview 4.1. Power supply Figure 4-1. Schematic diagram of power supply 4.2. Boot option Figure 4-2. Schematic diagram of boot option 4.3. Figure 4-3. Schematic diagram of LED function 4.4. Figure 4-4. Schematic diagram of Key function... -
Page 9: Usart
User Guide GD32L233K-START 4.5. USART Figure 4-5. Schematic diagram of USART USART To USB +3V3 50V/0.01uF USART_TX USART_RX PA10 RTS# +3V3 SHELL CTS# TNOW Mini_USB CH340E 50V/0.1uF 1MΩ 50V/4700pF 4.6. Figure 4-6. Schematic diagram of USB 4.7. GD-Link Figure 4-7. Schematic diagram of GD-Link... -
Page 10: Arduino
User Guide GD32L233K-START MCU SWD Reset PA0-WKUP +3V3 PB2/BOOT1 +3V3 JP100 PB3/JTDO L_TMS/IO PB4/JNTRST R102 L_SWDIO L_TCK/CLK 10KΩ L_SWDCK L_TDO/SWO L_NRST L_TDI 4×1P2.54 L_USB_Ctr C103 L_TReset 50V/0.1uF L_LED1 LED0603 PA10 PB10 L_USB_DM PA11 PB11 L_USB_DP L_LED1 R109 470Ω PA12 PB12... -
Page 11: Mcu
User Guide GD32L233K-START 4.9. Figure 4-9. Schematic diagram of MCU HC-49S-8MHz OSC_IN 50V/20pF 1MΩ OSC_OUT GDLink PB2/BOOT1 50V/20pF SWDAT L_TMS/IO SWCLK L_TCK/CLK NRST L_TReset +3V3 VDDA OSC_IN PA10 OSC_IN/PF0 PA10 OSC_OUT PA11 EBLS1608-3R3K OSC_OUT/PF1 PA11 PA12 PA12 PA13 SWDAT PA13/SWDIO... -
Page 12: Routine Use Guide
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 light the LEDs. -
Page 13: Exti_Key_Interrupt_Mode
Learn to use EXTI to generate external interrupt 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 EXTI interrupt line to control the LED1. When press down the Wakeup key, it will produce an interrupt. -
Page 14: Timer_Key_Exti
Learn to use TIMER to generate PWM 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 TIMER PWM to trigger EXTI interrupt to toggle the state of LED1 and EXTI interrupt line to control the LED1. -
Page 15: Demo Running Result
User Guide GD32L233K-START 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. -
Page 16: Revision History
User Guide GD32L233K-START Revision history Table 6-1. Revision history Revision No. Description Date Initial Release Nov.15, 2021 15/16... - Page 17 Important Notice This document is the property of GigaDevice Semiconductor Inc. and its subsidiaries (the "Company"). This document, including any product of the Company described in this document (the “Product”), is owned by the Company under the intellectual property laws and treaties of the People’s Republic of China and other jurisdictions worldwide.
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