pcf8575ts-1 NXP Semiconductors, pcf8575ts-1 Datasheet - Page 9

• Manufacturer Part Number: pcf8575ts-1
• Description: Remote 16-bit I/o Expander For I2c-bus
• Manufacturer: NXP Semiconductors

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OUTPUT CURRENT
DATA OUTPUT
P05 PULL-UP
P05 OUTPUT
FROM PORT
WRITE TO
VOLTAGE
PORT
SDA
SCL
INT
start condition
S
1
0
slave address (PCF8575)
2
1
0
3
4
0
A2
5
A1
6
A0
7
R/W
8
0
A
acknowledge
from slave
Fig.9 WRITE mode (output).
P07 P06
P05
1
data to port 0
Integral multiples of two bytes
P00
A
acknowledge
from slave
P17
data to port 1
I OHt
t pv
P10
t ir
A
acknowledge
from slave
Data A0 and
I OH
B0 valid
MGL542