CH341A Programmer Module USB Motherboard Routing Liquid Crystals Disassembly Free SOP8 Test Tool

Product features:1. Adopts FT232BL chip with external EEPRON (93C46)2. Support Windows 103. Support 3 power supply modes: 5V external power supply, 3.3V external power supply, external power supply (requires 3.3V-5V)4. With 3 LEDs: TXD LED, RXD LED, POWER LED5. GND, RXD, TXD, 3V3, 5V: using a curved pin pin out6. The rest of the function PIN: reserved pads CTS, RTSInstructions for use: (to access the MCU as an example)1. GND: connected to GND2. RXD: connect to MCU.TX (Signal flow: MCU.TX - FT232 - PC.RX)3. TXD: connect to MCU.RX (signal flow: PC.TX - FT232 - MCU.RX)4. 3V3/5V: output 3.3V or 5V (the module is powered by USB, the jumper cap must be jumped to 3.3V or 5V)5. RTS: connect to MCU.CTS (signal flow: PC.RTS - FT232 - MCU.CTS)6. CTS: connect to MCU.RTS (Signal flow: MCU.RTS - FT232 - PC.CTS)