Category:CH340

Models

• CH340G
• CH340C
• CH340T
• CH340E

Pin Definition

• For CH340E, add two filter capacitor, VCC-GND, V3-GND, optionally

CH340 Programmer

Usage

• 5V is USB power 5V
• 3V3 is the regulated voltage on module
• Short connect VCC to 5V, then module VCC is 5V, TTL output 5V
• Short connect VCC to 3V3, then module VCC is 3V3, TTL output 3V3

Please refer to the schematic

Documents

CH340 Driver

• CH340 Datasheet
• Driver CH340SER, or http://www.wch.cn/download/CH341SER_EXE.html