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BH1721FVC
● Terminal Description
Technical Note
I C bus Interface SDA Terminal
PIN
No.
1
2
3
Terminal Name
VCC
GND
SDA
Equivalent Circuit
Function
Power Supply Terminal
GND Terminal
2
SDA, SCL Reference Voltage Terminal
4
DVI
150k Ω
And DVI Terminal is also asynchronous Reset
for internal registers.So that please set to 'L'
( at least 1μs, DVI <= 0.4V ) after VCC is
supplied. BH1721FVC is pulled down by 150k
Ω while DVI = 'L'.
I C bus Interface SCL Terminal
5
SCL
2
※ These values are design-value, not guaranteed.
www.rohm.com
? 2011 ROHM Co., Ltd. All rights reserved.
12/15
2011.11 - Rev.B
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