參數(shù)資料
型號: PCA9673DK
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: Remote 16-bit I/O expander for Fm+ I2C-bus with interrupt and reset
中文描述: 18 I/O, PIA-GENERAL PURPOSE, PDSO24
封裝: 3.90 MM, 0.635 MM PITCH, PLASTIC, MO-137, SOT556-1, SSOP-24
文件頁數(shù): 7/33頁
文件大小: 185K
代理商: PCA9673DK
PCA9673_1
NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 01 — 1 February 2007
7 of 33
NXP Semiconductors
PCA9673
Remote 16-bit I/O expander for Fm+ I
2
C-bus with interrupt and reset
7.1.1
Address maps
7.2 Software Reset call, and Device ID addresses
Two other different addresses can be sent to the PCA9673.
General Call address: allows to reset the PCA9673 through the I
2
C-bus upon
reception of the right I
2
C-bus sequence. See
Section 7.2.1 “Software Reset”
for more
information.
Device ID address: allows to read ID information from the device (manufacturer, part
identification, revision). See
Section 7.2.2 “Device ID (PCA9673 ID field)”
for more
information.
Table 3.
AD1
SCL
SCL
SDA
SDA
SCL
SCL
SDA
SDA
V
SS
V
SS
V
DD
V
DD
V
SS
V
SS
V
DD
V
DD
PCA9673 address map
AD0
A6
V
SS
0
V
DD
0
V
SS
0
V
DD
0
SCL
0
SDA
0
SCL
0
SDA
0
V
SS
0
V
DD
0
V
SS
0
V
DD
0
SCL
0
SDA
0
SCL
0
SDA
0
A5
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
A4
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
A3
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
A2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
A1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
A0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Address (hex)
28h
2Ah
2Ch
2Eh
38h
3Ah
3Ch
3Eh
48h
4Ah
4Ch
4Eh
58h
5Ah
5Ch
5Eh
Fig 10. General Call address
Fig 11. Device ID address
0
002aac155
0
0
0
0
0
0
0
R/W
R/W
002aab638
1
1
1
1
1
0
0
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