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PCA9555PW 参数 Datasheet PDF下载

PCA9555PW图片预览
型号: PCA9555PW
PDF下载: 下载PDF文件 查看货源
内容描述: 16位I²C和SMBus I / O端口与中断 [16-bit I2C and SMBus I/O port with interrupt]
分类和应用:
文件页数/大小: 22 页 / 185 K
品牌: PHILIPS [ NXP SEMICONDUCTORS ]
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Philips Semiconductors
Product data sheet
16-bit I
2
C and SMBus I/O port with interrupt
PCA9555
BLOCK DIAGRAM
PCA9555
I/O1.0
I/O1.1
A0
A1
A2
WRITE pulse
READ pulse
8-BIT
INPUT/
OUTPUT
PORTS
I/O1.2
I/O1.3
I/O1.4
I/O1.5
I/O1.6
I/O1.7
I
2
C/SMBUS
CONTROL
I/O0.0
I/O0.1
SCL
SDA
I/O0.2
INPUT
FILTER
8-BIT
INPUT/
OUTPUT
PORTS
I/O0.3
I/O0.4
I/O0.5
I/O0.6
I/O0.7
V
INT
V
SS
POWER-ON
RESET
LP FILTER
INT
NOTE: ALL I/Os ARE SET TO INPUTS AT RESET
WRITE pulse
READ pulse
V
DD
SU01439
Figure 3. Block diagram
2004 Sep 30
4