PCA9575HF NXP [NXP Semiconductors], PCA9575HF Datasheet - Page 4
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PCA9575HF
Manufacturer Part Number
PCA9575HF
Description
16-bit I2C-bus and SMBus, level translating, low voltage GPIO with reset and interrupt
Manufacturer
NXP [NXP Semiconductors]
Datasheet
1.PCA9575HF.pdf
(38 pages)
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NXP Semiconductors
5. Block diagram
PCA9575_3
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
Rev. 03 — 9 November 2009
POWER-ON
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. 2009. 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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