pca9674a NXP Semiconductors, pca9674a Datasheet - Page 10
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
7.2 Software Reset Call, and device ID addresses
Table 6.
[1]
Two other different addresses can be sent to the PCA9674/74A.
AD2
SCL
SCL
SCL
SCL
SDA
SDA
SDA
SDA
SCL
SCL
SCL
SCL
SDA
SDA
SDA
SDA
SCL
SCL
SCL
SCL
SDA
SDA
SDA
SDA
Fig 9. General Call address
•
•
The PCA9674A does not acknowledge when AD2, AD1, AD0 follows this configuration.
General Call address: allows to reset the PCA9674/74A through the I
reception of the right I
information.
Device ID address: allows to read ID information from the device (manufacturer, part
identification, revision). See
more information.
AD1
SCL
SCL
SDA
SDA
SCL
SCL
SDA
SDA
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
SS
SS
DD
DD
SS
SS
DD
DD
SS
SS
DD
DD
SS
SS
DD
DD
PCA9674A address map
AD0
SCL
SDA
SCL
SDA
SCL
SDA
SCL
SDA
V
V
V
V
V
V
V
V
SCL
SDA
SCL
SDA
SCL
SDA
SCL
SDA
SS
DD
SS
DD
SS
DD
SS
DD
Rev. 02 — 12 October 2006
2
C-bus sequence. See
A6
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
Remote 8-bit I/O expander for Fm+ I
0
Section 7.2.2 “Device ID (PCA9674/74A ID field)”
A5
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
…continued
0
A4
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
A3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
Section 7.2.1 “Software Reset”
0
002aac115
0
A2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
R/W
0
PCA9674/74A
A1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
2
A0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
C-bus with interrupt
© NXP B.V. 2006. All rights reserved.
2
C-bus upon
Address
D0h
D2h
D4h
D6h
D8h
DAh
DCh
DEh
F0h
F2h
F4h
F6h
-
FAh
FCh
FEh
-
02h
04h
06h
08h
0Ah
0Ch
0Eh
[1]
[1]
for more
for
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