IDE DMA on 8xx ??

laurent.mohin at laurent.mohin at
Fri Jan 4 19:31:12 EST 2002


I used the IDMA on an MPC821 to perform IDE transfers (either to floppy or hard
disk drive). At this time, my O.S was pSOS.
You have just to be aware that the IDMA is done via software by the CPM of the
MPC821. So you won't exceed a 2Mbytes/s throughput.


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