pca8575 NXP Semiconductors, pca8575 Datasheet - Page 18
pca8575
Manufacturer Part Number
pca8575
Description
Remote 16-bit I/o Expander For I2c-bus With Interrupt
Manufacturer
NXP Semiconductors
Datasheet
1.PCA8575.pdf
(30 pages)
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NXP Semiconductors
PCA8575_2
Product data sheet
Fig 21. I
Rise and fall times refer to V
2
C-bus timing diagram
protocol
SDA
SCL
t
SU;STA
t
BUF
condition
START
(S)
t
HD;STA
IL
and V
t
LOW
t
r
IH
.
MSB
bit 7
(A7)
t
HIGH
Rev. 02 — 21 March 2007
t
SU;DAT
t
f
1
/f
bit 6
(A6)
SCL
t
Remote 16-bit I/O expander for I
HD;DAT
(R/W)
bit 0
t
VD;DAT
acknowledge
(A)
t
VD;ACK
condition
STOP
(P)
t
SU;STO
002aab175
2
C-bus with interrupt
PCA8575
© NXP B.V. 2007. All rights reserved.
18 of 30
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