pca9575 NXP Semiconductors, pca9575 Datasheet - Page 4

• Manufacturer Part Number: pca9575
• Description: 16-bit I2c-bus And Smbus, Level Translating, Low Voltage Gpio With Reset And Interrupt
• Manufacturer: NXP Semiconductors

NXP Semiconductors
5. Block diagram
PCA9575_1
Product data sheet
Fig 1.
(1)
RESET
SDA
SCL
V
(1) PCA9575PW2 only.
V
A0
A1
A2
A3
DD
SS
Remark: All I/Os are set to inputs at power-up and RESET.
Block diagram of PCA9575
PCA9575
POWER-ON
Rev. 01 — 2 October 2008
16-bit I
RESET
FILTER
INPUT
2
C-bus and SMBus, level translating, low voltage GPIO
I
2
C-BUS/SMBus
CONTROL
write pulse
read pulse
write pulse
read pulse
8-bit
8-bit
FILTER
OUTPUT
OUTPUT
BANK 1
BANK 0
PORTS
PORTS
INPUT/
INPUT/
LP
002aad562
PCA9575
© NXP B.V. 2008. All rights reserved.
V
DD
V
P1_0
P1_1
P1_2
P1_3
P1_4
P1_5
P1_6
P1_7
V
P0_0
P0_1
P0_2
P0_3
P0_4
P0_5
P0_6
P0_7
DD(IO)1
DD(IO)0
INT
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