pca9502 NXP Semiconductors, pca9502 Datasheet - Page 2

• Manufacturer Part Number: pca9502
• Description: 8-bit I/o Expander With I2c-bus/spi Interface
• Manufacturer: NXP Semiconductors

NXP Semiconductors
4. Ordering information
5. Block diagram
PCA9502_3
Product data sheet
Table 1.
Type number
PCA9502BS
Fig 1. Block diagram of PCA9502 I
Fig 2. Block diagram of PCA9502 SPI interface
Ordering information
RESET
RESET
SCLK
SDA
SCL
IRQ
IRQ
SO
CS
A0
A1
1.5 k (2.5 V)
1.5 k (2.5 V)
SI
Package
Name
HVQFN24
1 k (3.3 V)
1 k (3.3 V)
V
DD
Rev. 03 — 13 October 2006
I2C/SPI
I2C/SPI
V
V
DD
DD
Description
plastic thermal enhanced very thin quad flat package;
no leads; 24 terminals; body 4
PCA9502
PCA9502
I
2
C-BUS
SPI
2
C-bus interface
8-bit I/O expander with I
V
V
V
V
DD
SS
DD
SS
REGISTER
REGISTER
GPIO
GPIO
002aab837
002aab838
4
0.85 mm
8
8
2
C-bus/SPI interface
PCA9502
GPIO[7:0]
GPIO[7:0]
© NXP B.V. 2006. All rights reserved.
Version
SOT616-3
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