hotshot05
Junior Member level 2
Need insight on making a USB to serial port converter(FT232RL)
The FTDI FT232RL is a USB to TTL/CMOS converter. It provides the output pins - TXD, RXD, CTS, DCD, DSR, DTR, RTS, RI and Ground
If I want to make a real Serial port i.e I want not only the RxD and TxD pins, but I want the DTR, RTS etc pins too to be available, how should I make the connection with MAX232 IC?
Should I pass the DTR, RTS pins too through MAX232 IC along with the main RxD and TxD signals?
I was searching on the FTDI website and found this - Development Modules (the last product on the page - EVAL232R)
Datasheet for it - https://www.ftdichip.com/Support/Documents/DataSheets/Modules/DS_EVAL232R.pdf
The circuit diagram is provided on Page 16 of the datasheet. There it has been shown that all the signals (TXD, RXD, CTS, DCD, DSR, DTR, RTS, RI) are being passed through the SP213EHCA IC. It is also a level converter.
So for making a real serial port, I have to pass each and every signal through a level converter. Right?
The FTDI FT232RL is a USB to TTL/CMOS converter. It provides the output pins - TXD, RXD, CTS, DCD, DSR, DTR, RTS, RI and Ground
If I want to make a real Serial port i.e I want not only the RxD and TxD pins, but I want the DTR, RTS etc pins too to be available, how should I make the connection with MAX232 IC?
Should I pass the DTR, RTS pins too through MAX232 IC along with the main RxD and TxD signals?
I was searching on the FTDI website and found this - Development Modules (the last product on the page - EVAL232R)
Datasheet for it - https://www.ftdichip.com/Support/Documents/DataSheets/Modules/DS_EVAL232R.pdf
The circuit diagram is provided on Page 16 of the datasheet. There it has been shown that all the signals (TXD, RXD, CTS, DCD, DSR, DTR, RTS, RI) are being passed through the SP213EHCA IC. It is also a level converter.
So for making a real serial port, I have to pass each and every signal through a level converter. Right?