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PCA9556PW 参数 Datasheet PDF下载

PCA9556PW图片预览
型号: PCA9556PW
PDF下载: 下载PDF文件 查看货源
内容描述: 八SMBus和I2C接口注册 [Octal SMBus and I2C registered interface]
分类和应用:
文件页数/大小: 13 页 / 98 K
品牌: PHILIPS [ NXP SEMICONDUCTORS ]
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Philips Semiconductors
Product data
Octal SMBus and I
2
C registered interface
PCA9556
SIMPLIFIED SCHEMATIC OF I/O0
DATA FROM
SHIFT REGISTER
CONFIGURATION
REGISTER
DATA FROM
SHIFT REGISTER
WRITE
CONFIGURATION
PULSE
WRITE PULSE
D
FF
C
K
Q
D
FF
I/O0
C
K
Q
ESD PROTECTION DIODE
Q
Q
OUTPUT PORT
REGISTER DATA
OUTPUT
PORT
REGISTER
INPUT PORT
REGISTER
D
FF
READ PULSE
C
K
Q
Q
V
SS
INPUT PORT
REGISTER DATA
DATA FROM
SHIFT REGISTER
WRITE POLARITY
PULSE
D
FF
C
K
Q
POLARITY
REGISTER DATA
Q
POLARITY
INVERSION
REGISTER
SW00795
NOTE:
On power–up or reset, all registers return to default values.
Figure 4. Simplified schematic of I/O0
2002 Mar 28
5