pca9535d NXP Semiconductors, pca9535d Datasheet - Page 3
pca9535d
Manufacturer Part Number
pca9535d
Description
16-bit I2c And Smbus, Low Power I/o Port With Interrupt
Manufacturer
NXP Semiconductors
Datasheet
1.PCA9535D.pdf
(32 pages)
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NXP Semiconductors
4. Block diagram
PCA9535_PCA9535C_3
Product data sheet
Fig 1. Block diagram of PCA9535; PCA9535C
SDA
SCL
V
V
A0
A1
A2
DD
SS
Remark: All I/Os are set to inputs at reset.
PCA9535
PCA9535C
POWER-ON
Rev. 03 — 4 October 2007
RESET
FILTER
INPUT
16-bit I
2
C-bus and SMBus, low power I/O port with interrupt
I
2
C-BUS/SMBus
CONTROL
PCA9535; PCA9535C
write pulse
write pulse
read pulse
read pulse
8-bit
8-bit
OUTPUT
OUTPUT
PORTS
PORTS
INPUT/
INPUT/
002aac217
© NXP B.V. 2007. All rights reserved.
V
DD
IO1_0
IO1_2
IO0_0
IO0_2
IO1_1
IO1_3
IO1_4
IO1_5
IO1_6
IO1_7
IO0_1
IO0_3
IO0_4
IO0_5
IO0_6
IO0_7
INT
3 of 32
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