Measurement-computing Alpha488 Instrukcja Użytkownika Pobierz pdf (Strona 6)

Alpha488

4 419-0920 Rev. 1.0, 7/96

DMA Channel Selection

The Alpha488 has seven DMA channels. Channels 0-3 (8-bit), 5, 6, and 7

(16-bit) are available. Both the DRQ and DACK jumpers must be set to the desired DMA

channel for proper operation. Configure the board according to which DMA channel is

available. Figure 3 shows settings for selecting the DMA channels.

Figure 3. Alpha488 DMA Selection

1 2 3 4 5 6

Brak uwag

Measurement-computing Alpha488 Instrukcja Użytkownika Strona 6