PCA9558PW,112 NXP Semiconductors, PCA9558PW,112 Datasheet - Page 10

• Manufacturer Part Number: PCA9558PW,112
• Description: IC I2C/SMBUS 8BIT 28-TSSOP
• Manufacturer: NXP Semiconductors

Specifications of PCA9558PW,112

• Applications: PC's, PDA's
• Interface: I²C
• Voltage - Supply: 3 V ~ 3.6 V
• Package / Case: 28-TSSOP
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 568-3399-5; 935269433112; PCA9558PW

NXP Semiconductors
PCA9558_4
Product data sheet
Fig 9.
Fig 10. I
Fig 11. I
See
I
2
2
2
C-bus write for GPIO registers
C-bus read for GPIO registers
C-bus read of MUX_INx inputs
S
S
START condition
START condition
S
START condition
Table 3
1
1
1
0
0
0
slave address
slave address
for the proper command byte.
slave address
0
0
0
1
1
1
1
1
1
1 A0 0
1 A0 0
1 A0 0
R/W
R/W
R/W
A
A
acknowledge
from slave
acknowledge
from slave
A
acknowledge
from slave
0
0
0
0
0
0
command byte
command byte
Rev. 04 — 14 April 2009
0
0
command byte
0
0
0
0
1
x
x
x
1
acknowledge
acknowledge
x
acknowledge
from slave
from slave
x
0
from slave
x
0
x
x
(cont.) d7
(cont.)
A
A
A
S
S
(re)START
condition
(re)START
condition
d7
1
1
0
d6 d5 d4 d3 d2 d1
d6 d5 d4 d3 d2 d1 d0
0
0
0
slave address
slave address
data from slave
data from slave
0
0
0 d4 d3 d2 d1 d0
data byte
1
1
1
1
8-bit I
no acknowledge
no acknowledge
acknowledge
1 A0 1
1 A0 1
from slave
from master
from master
R/W
R/W
d0
2
C-bus/SMBus I/O port
A
NA
NA
A
A
PCA9558
acknowledge
from slave
acknowledge
from slave
002aad373
© NXP B.V. 2009. All rights reserved.
P
STOP
condition
002aad374
002aad375
(cont.)
(cont.)
P
STOP
condition
P
STOP
condition
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