參數(shù)資料
型號: PCA9674ABS
廠商: NXP Semiconductors N.V.
元件分類: I2C/I2S
英文描述: Remote 8-bit I-O expander for Fm+ I2C-bus with interrupt
封裝: PCA9674ABS<SOT758-1 (HVQFN16)|<<http://www.nxp.com/packages/SOT758-1.html<1<Always Pb-free,;PCA9674AD<SOT162-1 (SO16)|<<http://www.nxp.com/packages/SOT162-1.html<1<
文件頁數(shù): 10/32頁
文件大?。?/td> 299K
代理商: PCA9674ABS
PCA9674_PCA9674A
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 6 — 29 September 2011
10 of 32
NXP Semiconductors
PCA9674; PCA9674A
Remote 8-bit I/O expander for Fm+ I
2
C-bus with interrupt
[1]
The PCA9674A does not acknowledge when AD2, AD1, AD0 follows this configuration.
7.2 Software Reset Call, and device ID addresses
Two other different addresses can be sent to the PCA9674; PCA9674A.
General Call address: allows to reset the PCA9674; PCA9674A 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 (PCA9674; PCA9674A ID field)”
for more information.
SDA
SDA
SDA
V
SS
V
DD
V
DD
SDA
SCL
SDA
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
1
1
1
0
1
0Ah
0Ch
0Eh
Table 5.
AD2
PCA9674A address map
…continued
AD1
AD0
A6
A5
A4
A3
A2
A1
A0
Address
Fig 7.
General Call address
Fig 8.
Device ID address
0
002aac115
0
0
0
0
0
0
0
R/W
R/W
002aac116
1
1
1
1
1
0
0
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