
Rev. 5.00, 09/03, page 330 of 760
11.1.3 Pin Con f iguration
Table 11.1 shows the DMAC pins.
Table 11.1 DMAC P ins
Channel Name Symbol I/O Function
0 DMA transfer request DREQ0 I DMA transfer request input from
external device to channel 0
DMA transfer request
acceptance D AC K0 O Strobe output to an external I/O upon
DMA transfer request from external
device to channel 0
DMA request
acknowledge DRAK0 O Output showing that DREQ0 has been
accepted
1 DMA transfer request DREQ1 I DMA transfer request input from
external device to channel 1
DMA transfer request
acceptance D AC K1 O Strobe output to an external I/O upon
DMA transfer request from external
device to channel 1
DMA request
acknowledge DRAK1 O Output showing that DREQ1 has been
accepted