Hi Everyone -
I'm wondering if anyone can tell me if the flow control signals (RTS, CTS, DTR, DSR, DCD) on the RS-232 side of the FT232BM converter chip are required for the USBRS-232 conversion process. Can I convert a
3-wire RS-232 data source without flow control to USB and vice-versa with this chip?Many thanks,
Dan
Yes. Connect the inputs DSR, CTS and DCD to fixed active state.
Micha
No
Yes
But take not of timing (delay) impact of the transport over USB. There are appnotes on the FDI site about this. Read them.
Wouter van Ooijen
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You are mixing things. The data over the USB will be sent in blocks, check the FTDI site for how this causes delays and what you can do about it. Data from FTDI to outside can be non-hansdhaked, hw-handshaked, or sw (xon/xoff) handshaked. Idem for data from outside into the FTDI, but that is ieasier to handle with a big buffer in the PC.
Wouter van Ooijen
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