PCF8574P,112 Philips Semiconductors, PCF8574P,112 Datasheet - Page 10
PCF8574P,112
Manufacturer Part Number
PCF8574P,112
Description
Remote 8-bit I/O Expander for I2C Bus
Manufacturer
Philips Semiconductors
Type
I/O Expandersr
Datasheet
1.PCF8574P112.pdf
(24 pages)
Specifications of PCF8574P,112
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PCF8574P,112
Manufacturer:
NXP/恩智浦
Quantity:
20 000
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FROM PORT
DATA OUT
WRITE TO
PORT
SCL
SDA
start condition
S
1
0
slave address (PCF8574)
2
1
0
3
4
0
A2
5
A1
6
A0
7
R/W
8
0
A
acknowledge
from slave
Fig.11 WRITE mode (output).
data to port
DATA 1
t pv
A
acknowledge
from slave
data to port
DATA 1 VALID
DATA 2
t pv
A
acknowledge
from slave
DATA 2 VALID
MBD974