參數(shù)資料
型號: PCA9674
廠商: NXP Semiconductors N.V.
英文描述: Remote 8-bit I/O expander for Fm+ I2C-bus with interrupt
中文描述: 遠程8位I / O擴展調(diào)頻I2C總線的中斷
文件頁數(shù): 5/34頁
文件大小: 179K
代理商: PCA9674
PCA9674_PCA9674A_2
NXP B.V. 2006. All rights reserved.
Product data sheet
Rev. 02 — 12 October 2006
5 of 34
NXP Semiconductors
PCA9674/74A
Remote 8-bit I/O expander for Fm+ I
2
C-bus with interrupt
6.2 Pin description
Table 2.
Symbol
AD0
AD1
AD2
P0
P1
P2
P3
V
SS
P4
P5
P6
P7
INT
SCL
SDA
V
DD
Pin description for DIP16, SO16, TSSOP16
Pin
Description
1
address input 0
2
address input 1
3
address input 2
4
quasi-bidirectional I/O 0
5
quasi-bidirectional I/O 1
6
quasi-bidirectional I/O 2
7
quasi-bidirectional I/O 3
8
supply ground
9
quasi-bidirectional I/O 4
10
quasi-bidirectional I/O 5
11
quasi-bidirectional I/O 6
12
quasi-bidirectional I/O 7
13
interrupt output (active LOW)
14
serial clock line
15
serial data line
16
supply voltage
Table 3.
Symbol
INT
SCL
n.c.
SDA
V
DD
AD0
AD1
n.c.
AD2
P0
P1
P2
n.c.
P3
V
SS
P4
P5
n.c.
P6
P7
Pin description for SSOP20
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Description
interrupt output (active LOW)
serial clock line
not connected
serial data line
supply voltage
address input 0
address input 1
not connected
address input 2
quasi-bidirectional I/O 0
quasi-bidirectional I/O 1
quasi-bidirectional I/O 2
not connected
quasi-bidirectional I/O 3
supply ground
quasi-bidirectional I/O 4
quasi-bidirectional I/O 5
not connected
quasi-bidirectional I/O 6
quasi-bidirectional I/O 7
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