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5.4 Transmit DMA Selection - J8
J8 Selects the DMA channel to be used for Transmit DMA. Three channels (1 - 3) are
available on the MPA-100 for DMA. When selecting a DMA channel, both the DMA
acknowledge (DACK) and the DMA request (DRQ) for the appropriate channel need to be
selected. Table 7 summarizes the jumper block selections for J8.
Table 7 Jumper block J8 selections.
6-12
5-11
Channel 3 (Default)
4-10
3-9Channel 2
2-8
1-7Channel 1
PinsDMA Channel
5.5 Receive DMA Selection - J9
J9 selects the DMA channel to be used for Receive DMA. Three channels (1 - 3) are
available on the MPA-100 for DMA. When selecting a DMA channel, both the DMA
acknowledge (DACK) and the DMA request (DRQ) for the appropriate channel need to be
selected. Table 8 summarizes the jumper block selections for J9.
Table 8 Jumper block J9 selections.
6-12
5-11Channel 3
4-10
3-9Channel 2
2-8
1-7
Channel 1 (Default)
PinsDMA Channel
MPA-100 User's Manual 5-3