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PCA9673D 数据表(PDF) 3 Page - NXP Semiconductors

部件名 PCA9673D
功能描述  Remote 16-bit I/O expander for Fm I2C-bus with interrupt and reset
PDF  33 Pages
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制造商  PHILIPS [NXP Semiconductors]
网页  http://www.nxp.com
标志 PHILIPS - NXP Semiconductors

PCA9673D 数据表(HTML) 3 Page - NXP Semiconductors

  PCA9673D Datasheet HTML 1Page - NXP Semiconductors PCA9673D Datasheet HTML 2Page - NXP Semiconductors PCA9673D Datasheet HTML 3Page - NXP Semiconductors PCA9673D Datasheet HTML 4Page - NXP Semiconductors PCA9673D Datasheet HTML 5Page - NXP Semiconductors PCA9673D Datasheet HTML 6Page - NXP Semiconductors PCA9673D Datasheet HTML 7Page - NXP Semiconductors PCA9673D Datasheet HTML 8Page - NXP Semiconductors PCA9673D Datasheet HTML 9Page - NXP Semiconductors Next Button
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PCA9673_1
© NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 01 — 1 February 2007
3 of 33
NXP Semiconductors
PCA9673
Remote 16-bit I/O expander for Fm+ I2C-bus with interrupt and reset
5.
Block diagram
Fig 1.
Block diagram of PCA9673
Fig 2.
Simplified schematic diagram of P00 to P17
002aac300
INT
I2C-BUS
CONTROL
INTERRUPT
LOGIC
PCA9673
LP FILTER
AD0
AD1
INPUT
FILTER
SHIFT
REGISTER
SDA
SCL
16 BITS
write pulse
read pulse
POWER-ON
RESET
VDD
VSS
I/O
PORT
P00 to P07
P10 to P17
RESET
002aab631
write pulse
read pulse
D
CI
S
FF
Q
power-on reset
data from Shift Register
Itrt(pu)
100
µA
IOH
IOL
VDD
P00 to P07
P10 to P17
VSS
D
CI
S
FF
Q
data to Shift Register
to interrupt logic



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