Programator CH341A USB la UART IIC SPI I2C convertor port paralel

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Specificații în limba engleză:

CH341 USB conversion module equipped with CH341 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, 12C interface EEPROM, SPI interface FLASH and STC MCU programming,
program debugging, data acquisition, brush machine etc.

FUNCTION AND CHARACTERISTICS
Support USB to parallel printer port and EPP or MEM parallel port
Support USB to UART, 12C, SPI interface; TZT
The output voltage and the signal level can be selected by 3.3V or 5V;
Have UART and SPI/|2C working status indicator light;

INTRODUCED THE HARDWARE AND INSTRUCTIONS
The board size: 45*26mm
The board function description: TZT

Interface Description:
VCC, RXD, TXD, GND: UART interface;
VCC, SDA, SCL, GND: 12C interface;
MISO, MOSI, SCK, CS2,CS1,CSO, GND, VCC: SPI interface;
The 10P 2.54mm pin is print port and EPP/MEM port, pin's definition can refer to manual.

Work Mode ( jumper cap on the right of USB):
(1) UART model: the jumper cap is inserted into the UART, the D2 indicator light (blue) on;
(2) 12C/SPI and EPP/MEM parallel mode: the jumper cap is inserted into the \2C/SPI, the
D1 indicator light (red) on; We Are The Distributor Of TZT Brand In Hong Kong, China
(3) The printer parallel port mode: the need to unplug the jumpers, and SDA and SCL
connected together.

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