pca9673 NXP Semiconductors, pca9673 Datasheet - Page 7

• Manufacturer Part Number: pca9673
• Description: Remote 16-bit I/o Expander For Fm+ I2c-bus With Interrupt And Reset
• Manufacturer: NXP Semiconductors

NXP Semiconductors
PCA9673_1
Product data sheet
7.1.1 Address maps
7.2 Software Reset call, and Device ID addresses
Table 3.
Two other different addresses can be sent to the PCA9673.
AD1
SCL
SCL
SDA
SDA
SCL
SCL
SDA
SDA
V
V
V
V
V
V
V
V
Fig 10. General Call address
Fig 11. Device ID address
•
•
SS
SS
DD
DD
SS
SS
DD
DD
General Call address: allows to reset the PCA9673 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
information.
AD0
V
V
V
V
SCL
SDA
SCL
SDA
V
V
V
V
SCL
SDA
SCL
SDA
SS
DD
SS
DD
SS
DD
SS
DD
PCA9673 address map
A6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Remote 16-bit I/O expander for Fm+ I
Rev. 01 — 1 February 2007
A5
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
2
C-bus sequence. See
1
0
Section 7.2.2 “Device ID (PCA9673 ID field)”
A4
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
0
1
0
A3
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
1
0
1
0
A2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Section 7.2.1 “Software Reset”
0
0
002aac155
002aab638
0
0
2
A1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
R/W
R/W
C-bus with interrupt and reset
0
A0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
2
C-bus upon
PCA9673
© NXP B.V. 2007. All rights reserved.
Address (hex)
28h
2Ah
2Ch
2Eh
38h
3Ah
3Ch
3Eh
48h
4Ah
4Ch
4Eh
58h
5Ah
5Ch
5Eh
for more
for more
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