WCH Manuals & User Guides

User manuals, setup guides, troubleshooting help, and repair information for WCH products.

Tip: include the full model number printed on your WCH label for the best match.

WCH manuals

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WCH V2A QingKeV2 Microprocessor Owner’s Manual

16 de febrer de 2026
QingKeV2 Microprocessor Manual V1.0 Overview QingKe V2 series microprocessor is a 32-bit general-purpose MCU microprocessor based on the standard RISC-V instruction set RV32I subset RV32E, with only 16 general-purpose registers, half of RV32I, and a more streamlined structure for deep…

Manual d'usuari del mòdul depurador d'emulació WCH-Link

2 de maig de 2023
Mòdul depurador d'emulació WCH-Link Introducció al mòdul WCH-Link El mòdul WCH-Link es pot utilitzar per a la depuració i descàrrega en línia de l'MCU WCH RISC-V, i també per a la depuració i descàrrega en línia de l'ARM MCU amb SWD/JTAG interface. It also comes with a serial…

QingKe V2 Microprocessor Manual

Manual • February 9, 2026
Technical manual detailing the QingKe V2 series 32-bit RISC-V MCU microprocessor, covering its architecture, features, instruction set, interrupt handling, low-power modes, and debugging capabilities.

CH340 USB to Serial Port Converter Chip Datasheet

Datasheet • February 4, 2026
Detailed datasheet for the WCH CH340, a versatile USB to serial port converter chip. Covers features, pin configurations, electrical parameters, and application circuits for USB to UART, RS232, RS485, and IrDA interfaces.

Fitxa tècnica del xip CH342 USB a ports sèrie duals

Fitxa tècnica • 30 de setembre de 2025
Fitxa tècnica completa del WCH CH342, un xip convertidor USB a UART dual versàtil. Aquest document detalla les seves característiques, configuracions de pins, característiques elèctriques, gestió d'energia i diversos circuits d'aplicació per a la comunicació sèrie TTL, RS232 i RS485.

WCH Product Selection Manual: Communication Interface ICs and MCUs

Product Selection Manual • September 6, 2025
Explore the comprehensive product selection manual from WCH (WinChipHead), detailing a wide range of Communication Interface ICs and Microcontrollers (MCUs) including RISC-V and E8051 core-based solutions. Discover products for USB, Bluetooth, and Ethernet applications.

Manual d'usuari de WCH-Link: Guia completa de les eines de depuració de WCH

manual • 23 de juliol de 2025
This user manual provides detailed instructions and specifications for the WCH-Link series of debugging and downloading tools, including WCH-Link, WCH-LinkE, and WCH-DAPLink. It covers module introduction, mode switching, serial port configurations, function comparisons, pin connections, download and debug procedures using Keil and…

WCH CH32F203 EVT Board User Manual

CH32F203 EVT Board • February 5, 2026 • AliExpress
Comprehensive user manual for the WCH CH32F203 EVT Board, featuring Cortex-M3 MCU, USB, low-power modes, OPA, Touchkey, and CAN interfaces. Includes setup, operation, specifications, and technical resources.

WCH-LinkE Online Download Debugger User Manual

WCH-LinkE • December 17, 2025 • AliExpress
The WCH-LinkE is an online download debugger module designed for WCH RISC-V architecture MCUs and ARM chips with SWD interface. It supports online debugging, programming, and provides a serial port to USB channel for easy communication. Features include dual power output (3.3V/5V),…

WCH CH592 RISC-V MCU Instruction Manual

CH592 • November 18, 2025 • AliExpress
Comprehensive instruction manual for the WCH CH592 series RISC-V microcontrollers, including CH592X, CH592F, and CH591D models. Covers features, specifications, pinouts, electrical characteristics, and application examples for Bluetooth Low Energy 5.4, USB 2.0, and Segment LCD integration.