ITEM NAME:CH340E MSOP10 USB to TTL Module Board Can be Used as PRO Mini Downloader A#S Product Description Description: Description: 1. The USB to TTL downloader can be used as serial communication, MCU downloader, STM32 downloader, routing downloader, etc. 2. The downloader has a USB interface, which can easily extend the download line, while reserving pin arrangement interface to facilitate short-distance download and plug-in. Feature: 1. There are not only power supply lamp PWR, but also TXD and RXD indicator lamp, which is convenient to intuitively understand whether the product is working without instruments. 2. Support for WINDOWS 98/ME/2000/XP/Server 2003/VISTA/Server 2008/Win7/Win8 32-bit/64-bit/win10 64-bit. 3. Small volume and high performance. 4.3.3/5V arbitrary selection. 5. Micro-USB Interface Data Line. 6. With 3.3V voltage regulator chip, ultra-stable work, compatible with 5v, 3.3V MCU program download and debugging. Specification: Material: FR4 + Electronic Element Color: Green Product size: 15.7mm*15.7mm*1.6mm/0.61*0.61*0.06'' Product weight: 3g (including packaging) STC MCU Download Mode: 1) The wiring is as follows: (only 3 wires need to be connected) TXD Terminal of USB Downloader - > Connect Single Chip Microcomputer P3.0 (RX) RXD End of USB Downloader - > Connect Single Chip Microcomputer P3.1 (TX) GND End of USB Downloader - > Connect Single Chip Computer GND 2) The development board or small system is.Included: 1 X CH340E MSOP10 USB to TTL Module Board. The USB to TTL downloader can be used as serial communication, MCU downloader, STM32 downloader, routing downloader, etc. RXD End of USB Downloader - > Connect Single Chip Microcomputer P3.1 (TX).