PT8146 Datasheet, PDF (5/27 Pages) Princeton Technology Corp – 8-Bit 12-Ch I/O DAC

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8-Bit 12-Ch I/O DAC
PT8146
DATA CONFIGURATION
1. DATA CONFIGURATION
MSB (last)
LSB (first)
DF DE DD DC DB DA D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
Setting data
Channel select
2. CHANNEL SELECT
D3 D2 D1 D0
Function
0
0
0
0 Don’t care/special function
0
0
0
1 AO1 selected
0
0
1
0 AO2 selected
to
to
to
to to
1
0
1
1 AO11 selected
1
1
0
0 AO12 selected
1
1
0
1 I/O expander (serial → parallel)
1
1
1
0 I/O expander (parallel → serial)
1
1
1
1 Expander Status Register (ESR)
PT8146 V1.1
-5-
February, 2006