Features of SP3232 TTL to RS232 Converter Module:
MCU, ARM and other MCU communicate with the computer through the serial port ( COM port) of the computer
Radio modification, mobile phone brush, XBOX360 brush machine, GPS , car detection, DVD brush , hard disk repair, set-top box upgrade
Serial expansion of the deviceInstructions for use:
VCC: Connect DC 3V-5.5V
GND: Connect to GND
TXD: Connect to MCU.RX (Signal Flow Direction: MCU.RX << SP3232 SP3232 >> PC.RX)
Connection Description:
Note: TTL and RS232 terminals should connect TXD with RXD and RXD with TXD for cross matching and docking
TTL (UART) side:
VCC: connect dc 3v-5.5v
GND: connect to GND
TXD: connect external device TTL terminal RXD
RXD: connect to external device TTL terminal TXD
RS232 port:
RXD: connect to external device RS232 terminal TXD
TXD: connect external device RS232 terminal RXD
GND: connect to GND