PCA9575PW2,118 NXP Semiconductors, PCA9575PW2,118 Datasheet - Page 22

• Manufacturer Part Number: PCA9575PW2,118
• Description: IC I2C/SMBUS 16BIT GPIO 28-TSSOP
• Manufacturer: NXP Semiconductors
• Series: -r

Specifications of PCA9575PW2,118

• Interface: I²C, SMBus
• Number Of I /o: 16
• Interrupt Output: Yes
• Frequency - Clock: 400kHz
• Voltage - Supply: 1.1 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-TSSOP
• Includes: POR
• Description/function: 16-bit I2C-bus and SMBus
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 1.1 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 935286414118

NXP Semiconductors
9. Bus transactions
PCA9575_3
Product data sheet
Fig 13. Write to Output port register
Fig 14. Write to Polarity inversion, Bus-hold enable, Pull-up/pull-down select, Configuration, Interrupt mask and
(1) Slave address shown in this example is for the 24-pin version.
(1) Slave address shown in this example is for the 24-pin version.
SDA
SDA
write to port
data out from port
data to register
Interrupt status registers
SCL
SCL
S
START condition
S
START condition
1
1
0
0
2
2
1
1
slave address
slave address
3
3
0
0
Data is transmitted to the PCA9575 registers using ‘Write Byte’ transfers (see
and
Data is read from the PCA9575 registers using ‘Read Byte’ transfers (see
Figure
4
4
0
0
Figure
5
5
0
0
(1)
(1)
16).
6
6
0
0
7
7
0
0
14).
R/W
R/W
8
8
0
0
9
9
A
A
acknowledge
from slave
acknowledge
from slave
0
0
Rev. 03 — 9 November 2009
0
0
16-bit I
command byte
command byte
0
0
0
0
2
1
X
C-bus and SMBus, level translating, low voltage GPIO
0
X
1
X
0
X
A
acknowledge
from slave
A
acknowledge
from slave
data to register
data to port
DATA 1
DATA
t
v(Q)
A
acknowledge
from slave
A
acknowledge
from slave
PCA9575
© NXP B.V. 2009. All rights reserved.
DATA 1 VALID
STOP
condition
P
STOP
condition
P
002aad569
Figure 15
002aad570
Figure 13
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and