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 10 3. 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 LED 5. GND, RXD, TXD, 3V3, 5V: using a curved pin pin out 6. The rest of the function PIN: reserved pads CTS, RTS Instructions for use: (to access the MCU as an example) 1. GND: connected to GND 2. 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)