Name:Helen.
Tel:+86-755-82720811
E-mail:helen@chinalctech.com
Add:Room 301,Building No.3,Guole Technopark,Lirong Road,Dalang Street,Longhua District,Shenzhen 518110,China.
Online consulting
SKU: LC-TTL-CH341A
Tech info: http: //www.mediafire.com/file/r9yjxqp7k753jei/LC-TTL-CH341A_EN.zip/file
https://pan.baidu.com/s/1KpKl6mXmcWPbwBXPX1WiCA
Overview
LC CH341A USB conversion module equipped with CH341A chip, CH341A is a USB bus adapter chip, through the USB bus to provide asynchronous serial port, parallel port, print and 2 line and 4 line common synchronous serial interface, the module can be used for serial expansion, I2C interface EEPROM,SPI interface FLASH and STC MCU programming, program debugging, data acquisition, brush machine etc.
Function features
1.Support USB to parallel printer port and EPP or MEM parallel port
2.Support USB to UART, I2C, SPI interface
3.The output voltage and the signal level can be selected by 3.3V or 5V
4.Have UART and SPI/I2C working status indicator light
Hardware introduction and description
1.Board size: 45*27mm
2.Board function description
(1)Interface description
● VCC, RXD, TXD, GND: UART interface
● VCC, SDA, SCL, GND: I2C interface
● MISO,MOSI,SCK,CS2,CS1,CS0,GND,VCC: SPI interface
● The 10P_2.54mm pin is print port and EPP/MEM port, pin’s definition can refer to manual