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Jeff Brower wrote: > Bernhard- >>I was talking about the example in spra633. IIRC DX is feed into DR and >>FSR. So there is no external UART and therefore it's syncronous. > Where is the clock line? It's not synchronous. It's inside the DSP. It's syncrounous! spru190d Figure 12-36: CLKXM=CLKRM=1 > > >>>What maximum baud rate? How many stop bits? >> >>1 stop bit, 38400 Baud IIRC > This is the baudrate I use at the moment. I think I have tested with a higher one. > > If you can run software loopback at 2x the baud rate that you need, back-to-back with > 1 stop, then I would say it's reliable. You have to take into account interrupt > latency and what else is going on in the DSP code -- especially if you have DSP/BIOS > in the mix. I don't use DSP/BIOS. If interrupt latency is a problem I could increas the buffers EDMA writes to. |
Re: Asynchronous communication with C6711
Started by ●August 13, 2004
