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PCA8575PW 查看數據表(PDF) - NXP Semiconductors.
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产品描述 (功能)
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PCA8575PW
Remote 16-bit I/O expander for I2C-bus with interrupt
NXP Semiconductors.
PCA8575PW Datasheet PDF : 30 Pages
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NXP Semiconductors
PCA8575
Remote 16-bit I/O expander for I
2
C-bus with interrupt
protocol
START
condition
(S)
bit 7
MSB
(A7)
bit 6
(A6)
SCL
SDA
t
SU;STA
t
BUF
t
LOW
t
HIGH
1
/f
SCL
t
r
t
f
bit 0 acknowledge
(R/W)
(A)
STOP
condition
(P)
t
HD;STA
Rise and fall times refer to V
IL
and V
IH
.
Fig 21. I
2
C-bus timing diagram
t
SU;DAT
t
HD;DAT
t
VD;DAT
t
VD;ACK
t
SU;STO
002aab175
PCA8575_2
Product data sheet
Rev. 02 — 21 March 2007
© NXP B.V. 2007. All rights reserved.
18 of 30
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