MB88141 Datasheet, PDF (9/20 Pages) Fujitsu Component Limited. – D/A Converter for Digital Tuning (With Built-in OP Amp and I/O Expander)

MB88141
(4) Channel Selection (8 bits)
C7 C6 C5 C4 C3 C2 C1 C0
××××0000
××××0001
Channel select
I/O expander operation
AO1 selected
××××0100
××××0101
AO4 selected
Don’t care (AO5 selected)
××××1000
××××1001
Don’t care (AO8 selected)
Don’t care
××××1110
Don’t care
××××1111
I/O expander continuous operation
( ): When using D/A converter 8 channel, I/O expander 4 bit operation.
×: Don’t care
(5) D/A Data (8 bits)
Same as “1. (5) D/A Data (8 bits).”
(6) I/O Expander Continuous Operation
I²C bus input → parallel data output
S Slave address 0 A XXXX1111 A Digital data A ^{• • •}
Digital data A P
Note: In continuous operation, operation continues until start and stop conditions are acknowledged.
Parallel data input → I ²C bus output
S Slave address 1 A Digital data A Digital data A
•••
Digital data A P
: Sent from master device
: Sent from MB88141 (slave device)
S: “Start” condition P: “Stop” condition A: “Acknowledge” output
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