pca9674a NXP Semiconductors, pca9674a Datasheet - Page 22
pca9674a
Manufacturer Part Number
pca9674a
Description
Remote 8-bit I/o Expander For Fm+ I2c-bus With Interrupt
Manufacturer
NXP Semiconductors
Datasheet
1.PCA9674A.pdf
(34 pages)
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NXP Semiconductors
Product data sheet
PCA9674_PCA9674A_2
Fig 23. 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 — 12 October 2006
t
SU;DAT
t
f
1
/f
bit 6
(A6)
SCL
Remote 8-bit I/O expander for Fm+ I
t
HD;DAT
(R/W)
bit 0
t
VD;DAT
acknowledge
(A)
t
VD;ACK
condition
STOP
PCA9674/74A
(P)
t
SU;STO
002aab175
2
C-bus with interrupt
© NXP B.V. 2006. All rights reserved.
22 of 34
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