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PCA9539RBS 데이터 시트보기 (PDF) - NXP Semiconductors.
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PCA9539RBS
16-bit I2C-bus and SMBus low power I/O port with interrupt and reset
NXP Semiconductors.
PCA9539RBS Datasheet PDF : 31 Pages
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NXP Semiconductors
4. Block diagram
PCA9539; PCA9539R
16-bit I
2
C-bus and SMBus low power I/O port with interrupt and reset
PCA9539
PCA9539R
A0
A1
SCL
SDA
V
DD
RESET
V
SS
INPUT
FILTER
POWER-ON
RESET
8-bit
write pulse
I
2
C-BUS/SMBus
CONTROL
read pulse
INPUT/
OUTPUT
PORTS
8-bit
write pulse
read pulse
INPUT/
OUTPUT
PORTS
LP
FILTER
IO1_0
IO1_1
IO1_2
IO1_3
IO1_4
IO1_5
IO1_6
IO1_7
IO0_0
IO0_1
IO0_2
IO0_3
IO0_4
IO0_5
IO0_6
IO0_7
V
DD
INT
Remark:
All I/Os are set to inputs at reset.
Fig 1. Block diagram of PCA9539; PCA9539R
002aad722
PCA9539_PCA9539R_5
Product data sheet
Rev. 05 — 28 July 2008
© NXP B.V. 2008. All rights reserved.
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