imas 發表於 2007-8-21 02:48:29

問題: TTL-RS232 ADAPTER

問題:

""我的GPS Tx TTL訊號應該要接您的板子的哪一個PIN?""

回覆:

請將 GPS 模組的 Tx 接在 RS232模組板上的 Rx,
並記得在 VCC 腳位加上 5V 的電源,
最後務必把 GND 腳位接地,
""請注意 RS232 模組板的 GND 也需要接上 GPS 模組的 GND。""




腳位說明表

Module pinoutPINTYPE FUNCTIONDCDIn"Data carrier detect"RXInAsynchronous serial data receiveTXOutAsynchronous serial data transmit (idle high)DTROut"Data terminal ready" control output (often used with DSR)GNDPowerGroundDSRIn"Data set ready" control input (often used with DTR)RTSOut"Ready to send" control output (often used with CTS)CTSIn"Clear to send" control input (often used with RTS)RIIn"Ring indicator" control inputVCCPowerLogic supply voltage (3 – 5.5 V, externally supplied)INV OutSerial port detection pin, high if serial port connectedTX OutAsynchronous serial data transmit, inverted (idle low)
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