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參數(shù)資料
| 型號(hào)： | PCA9544D |
| 英文描述： | BUS CONTROLLER |
| 中文描述： | 總線控制器 |
| 文件頁數(shù)： | 8/14頁 |
| 文件大小： | 113K |
| 代理商： | PCA9544D |
Philips Semiconductors
Product data
PCA9544
4-channel I
2
C multiplexer with interrupt logic
2002 Feb 20
8
TYPICAL APPLICATION
PCA9544
V = 2.7 – 5.5 V
SD0
SC0
V = 2.7 – 5.5 V
SD1
SC1
A1
A0
V
SS
SDA
SCL
V
DD
= 3.3 V
V
DD
= 2.7 – 5.5 V
I
2
C/SMBus MASTER
SW00864
SDA
SCL
A2
INT
INT1
INT0
CHANNEL 0
CHANNEL 1
V = 2.7 – 5.5 V
SD1
SC1
INT2
CHANNEL 2
V = 2.7 – 5.5 V
SD1
SC1
INT3
CHANNEL 3
NOTE:
1.
If the device generating the Interrupt has an open-drain output
structure or can be tri-stated, a pull-up resistor is required.
If the device generating the Interrupt has a totem-pole output
structure and cannot be tri-stated, a pull-up resistor is not
required.
The Interrupt inputs should not be left floating.
SEE NOTE (1)
SEE NOTE (1)
SEE NOTE (1)
SEE NOTE (1)
Figure 12. Typical application
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