MB88141A Datasheet, PDF (11/22 Pages) Fujitsu Component Limited. – D/A Converter for Digital Tuning (Compatible with I2C Bus)

MB88141A
(4) Channel Selection (8 bits)
C7 C6 C5 C4 C3 C2 C1 C0
× × × ×0 0 0 0
× × × ×0 0 0 1
Channel select
I/O expander operation
AO1 selected
× × × ×0 1 0 0
× × × ×0 1 0 1
AO4 selected
Don’t care (AO5 selected)
× × × ×1 0 0 0
× × × ×1 0 0 1
Don’t care (AO8 selected)
Don’t Care
× × × ×1 1 1 0
Don’t Care
× × × ×1 1 1 1
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 X X X X1 1 1 1 A Digital data A
Digital data A P
Note: In continuous operation, operation continues until start and stop conditions are acknowledged.
Parallel data input → I²C bus output
S
Slave
address
1
A
Digital data
A Digital data A
Digital data A P
: Sent from master device
: Sent from MB88141A (slave device)
S : “Start” condition
P : “Stop” condition
A : “Acknowledge” output
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