PT8146 Datasheet, PDF (20/27 Pages) Princeton Technology Corp – 8-Bit 12-Ch I/O DAC

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8-Bit 12-Ch I/O DAC
PT8146
I/O EXPANDER OPERATION NOISE 1 VN2
Noise to analog during parallel → serial conversion commands, serial → parallel conversion command
for digital-only pins, or ESR setting commands for switching between digital input and digital output.
CLK
SI
Parallel -> serial conversion, serial -> parallel conversion, ESR setting commands
CS
D₃
to
D₀
D₁₁
to
D₀
AO₁
to
AO₁₂
Parallel output
Digital input Analog output
V_N2
V_N2
PT8146 V1.1
- 20 -
February, 2006