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參數資料
| 型號： | BU9929FV |
| 廠商： | Rohm CO.,LTD. |
| 英文描述： | I2C BUS interface, general purpose I/O ports with condition watching function |
| 中文描述： | I2C總線接口，通用I / O的港口條件看功能 |
| 文件頁數： | 1/12頁 |
| 文件大?。?/td> | 155K |
| 代理商： | BU9929FV |
BU9929FV
Multimedia ICs
I
2
C BUS interface, general purpose I/O
ports with condition watching function
BU9929FV
ROHM’s GPIO is a general-purpose IO that contains I
2
C BUS interface. It also contains monitoring function that conveys
a change of the signal level in terminal to the host system via interrupt terminal or I
2
C BUS.
!
Applications
Notebook PC, PC, VCR, TV etc. and other systems with I
2
C BUS.
!
Features
1) I
2
C BUS interface
2) General purpose I/O port 16bits
3) State monitoring function to monitor all terminals
4) State detection signal serial output by I
2
C BUS master function
5) Output port of state detection signal
6) State detection ON/OFF setting input port during the default status
7) 32.768kHz clock input
8) Power supply voltage 3.3V / 5.0V
!
Absolute maximum ratings
(Ta=25
°
C)
1/11
Parameter
Symbol
Limits
Unit
Supply voltage
Power dissipation
Operating temperature
Storage temperature
Terminal supply voltage
V
DD
Pd
Topr
Tsig
V
IN
7.0
640
15 to +75
55 to +125
GND
0.5 to V
DD
+0.5
V
mW
C
C
V
Temperature derating : 6.4mW/C over Ta=25C
Radiation resistance is not included in the design.
Rohm CO., Ltd is a licensee of I
2
C BUS from Philips Semiconductors.
!
Recommended operating conditions
(Ta=25
°
C)
Parameter
Min.
Typ.
Max.
Unit
Operating supply voltage range
5.5
3.0
V
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