PCF8575C View Datasheet(PDF) - Philips Electronics
Part Name
Description
MFG CO.
'PCF8575C' PDF : 24 Pages View PDF
Philips Semiconductors
Remote 16-bit I/O expander for I2C-bus
Product specification
PCF8575C
handbook, full pagewidth
SDA
SCL
S
START condition
SDA
SCL
P
STOP condition
MBC622
Fig.10 Definition of START and STOP conditions.
SDA
SCL
MASTER
TRANSMITTER /
RECEIVER
SLAVE
RECEIVER
SLAVE
TRANSMITTER /
RECEIVER
MASTER
TRANSMITTER
MASTER
TRANSMITTER /
RECEIVER
MBA605
Fig.11 System configuration.
handbook, full pagewidth
DATA OUTPUT
BY TRANSMITTER
DATA OUTPUT
BY RECEIVER
not acknowledge
acknowledge
SCL FROM
MASTER
1
2
S
START
condition
8
9
clock pulse for
acknowledgement
MGL539
Fig.12 Acknowledgment on the I2C-bus.
1999 Aug 05
12
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