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BASE + 1 - A/D MSB (4 bits)
Read data
7
6
X
X
BASE + 2 - A/D Channel, Digital Out & Status
Write control
7
6
X
DOut2
Set the digital output bits as 0 for a TTL low and 1 for a TTL high. You must know
the current value of the digital outputs (the last value written) if you want to change
the A/D channel and maintain the digital output lines at their current status. There is
no read back for the digital outputs.
Set A/D channel address via
Channel 0
Channel 1
Channel 2
Channel 3
Channel 4
Channel 5
Channel 6
Channel 7
The digital outputs are latched, and will maintain the last value until overwritten or the
computer or PCM-DAS08 is reinitialized.
5
4
X
X
5
4
DOut1
DOut0
Table 5-1. A/D Channel Address Codes
8
3
2
A/D11
A/D10
3
2
X
MA2
MA2
MA1
MA0
0
0
0
0
0
1
0
1
1
0
1
0
1
1
1
1
1
0
A/D9
A/D8
1
0
MA1
MA0
0
1
0
1
0
1
0
1
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