PCA9534PW,112 NXP Semiconductors, PCA9534PW,112 Datasheet - Page 9

• Manufacturer Part Number: PCA9534PW,112
• Description: IC I/O EXPANDER I2C 8B 16TSSOP
• Manufacturer: NXP Semiconductors

Specifications of PCA9534PW,112

• Interface: I²C, SMBus
• Number Of I /o: 8
• Interrupt Output: Yes
• Frequency - Clock: 400kHz
• Voltage - Supply: 2.3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-TSSOP
• Includes: POR
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 935275051112; PCA9534PW; PCA9534PW

NXP Semiconductors
PCA9534_3
Product data sheet
Fig 11. Read Input Port register
data into
This figure assumes the command byte has previously been programmed with 00h.
Transfer of data can be stopped at any moment by a STOP condition.
read from
port
INT
SDA
SCL
port
S
START condition
1
t
0
v(INT_N)
2
1
slave address
3
0
4
0 A2 A1 A0 1
5
6
acknowledge
from slave
7
R/W
t
h(D)
8
9
A
Rev. 03 — 6 November 2006
DATA 2
t
rst(INT_N)
8-bit I
data from port
DATA 1
DATA 3
2
C-bus and SMBus low power I/O port with interrupt
acknowledge
from master
t
su(D)
A
DATA 4
data from port
DATA 4
no acknowledge
from master
PCA9534
© NXP B.V. 2006. All rights reserved.
NA
002aac475
P
STOP
condition
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