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PCA9554PW-T 查看數據表(PDF) - NXP Semiconductors.
零件编号
产品描述 (功能)
生产厂家
PCA9554PW-T
8-bit I2C-bus and SMBus I/O port with interrupt
NXP Semiconductors.
PCA9554PW-T Datasheet PDF : 35 Pages
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NXP Semiconductors
4. Block diagram
PCA9554; PCA9554A
8-bit I
2
C-bus and SMBus I/O port with interrupt
PCA9554/PCA9554A
A0
A1
A2
SCL
SDA
INPUT
FILTER
V
DD
POWER-ON
RESET
V
SS
I
2
C-BUS/SMBus
CONTROL
8-bit
write pulse
read pulse
INPUT/
OUTPUT
PORTS
IO0
IO1
IO2
IO3
IO4
IO5
IO6
IO7
V
DD
LP
FILTER
INT
002aac492
All I/Os are set to inputs at reset.
Fig 1. Block diagram of PCA9554/PCA9554A
PCA9554_9554A
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 9 — 19 March 2013
© NXP B.V. 2013. All rights reserved.
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