pca9535d NXP Semiconductors, pca9535d Datasheet - Page 16

• Manufacturer Part Number: pca9535d
• Description: 16-bit I2c And Smbus, Low Power I/o Port With Interrupt
• Manufacturer: NXP Semiconductors

NXP Semiconductors
8. Application design-in information
PCA9535_PCA9535C_3
Product data sheet
Fig 17. Typical application
(5 V)
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Device address configured as 1110 100xb for this example.
IO0_0, IO0_2, IO0_3 configured as outputs.
IO0_1, IO0_4, IO0_5 configured as inputs.
IO0_6, IO0_7, and IO1_0 to IO1_7 configured as inputs.
CONTROLLER
MASTER
V
GND
DD
SDA
SCL
INT
10 k
10 k
10 k
INT
SCL
SDA
A2
A1
A0
Rev. 03 — 4 October 2007
PCA9535
16-bit I
V
V
DD
SS
IO0_0
IO0_1
IO0_2
IO0_3
IO0_4
IO0_5
IO0_6
IO0_7
IO1_0
IO1_1
IO1_2
IO1_3
IO1_4
IO1_5
IO1_6
IO1_7
2
C-bus and SMBus, low power I/O port with interrupt
2 k
NUMERIC
10 DIGIT
KEYPAD
PCA9535; PCA9535C
100 k
( 3)
ENABLE
INT
RESET
(e.g., alarm system)
ALARM
(e.g., temp sensor)
A
B
SUB-SYSTEM 1
SUB-SYSTEM 2
SUB-SYSTEM 3
002aac225
(e.g., counter)
controlled
switch
(e.g., CBT device)
© NXP B.V. 2007. All rights reserved.
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