CH32F103

Part: CH32F103C8T6 — WCH (WCH is inferred from download links and WCH-Link)

Type: ARM Cortex-M3 Microcontroller

Description: 32-bit ARM Cortex-M3 microcontroller operating at up to 72 MHz, used here as a development board for an LCD display module.

Operating Conditions:

• Supply voltage: 5V (for LCD power)
• Frequency: 72MHz

Absolute Maximum Ratings:

• Max supply voltage: null
• Max continuous current: null
• Max junction/storage temperature: null

Key Specs:

• Core: ARM Cortex-M3
• Max CPU Frequency: 72 MHz
• SPI bus: Used for LCD and SD card
• IIC bus: Used for capacitive touch screen
• GPIOs: PB9 (LCD_CS), PB8 (LCD_RST), PB7 (LCD_RS), PA7 (SDI/MOSI), PA5 (SCK), PB6 (LED), PA6 (SDO/MISO), PB5 (CTP_SCL), PA10 (CTP_RST), PA9 (CTP_SDA), PA8 (CTP_INT)
• Download interfaces: SWD, USB, Serial port

Features:

• Supports hardware and software SPI programs
• Demo functions include main interface display, screen ID/GRAM color read, screen swiping, drawing (rectangles, circles, triangles), text display (English, Chinese), image display, dynamic digital display, rotating display, and capacitive touch screen functions.
• Supports display direction switching (0°, 90°, 180°, 270° rotation)
• Compatible with Keil5 development environment
• Supports ST-Link and WCH-Link debuggers

Applications:

• LCD display module control
• Embedded systems requiring graphical user interfaces
• Capacitive touch screen applications

Package:

• null