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Discussion Groups | TMS320C54x | Help on McBSP on 5409 a
Technical discussions about the TI C54x DSPs (including the c5401, c5402, c5402a, c5404, c5407, c5409, c5409a, c5410, c5410a, c5416, c5420, c5421, c5441, c549, c5470 and c5471).
Help on McBSP on 5409 a - phil black - Jul 15 21:48:00 2002
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Anyone I have a problem thats making me nuts. I have McBSP2 set to Clockstop mode (As a SPI MASTER) to talk to a Ramtrom serial Ram. I can clock data out to it ( Waveforms on the scope look perfect ). I have a very simple routine to read the port, just polling the RRDY line and moving the data into an array. All signals again look perfect on the scope CLK, CS, SI, SO all meet timing requirements. I can see the data out of the ram is exactly what I clock into it. The McBSP just is not reading it. Unless I put a breakpoint |
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