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BD3812F Datasheet(PDF) 4 Page - Rohm

Part # BD3812F
Description  2ch Electronic Volume
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BD3812F Datasheet(HTML) 4 Page - Rohm

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Technical Note
4/9
www.rohm.com
2010.06 - Rev.A
© 2010 ROHM Co., Ltd. All rights reserved.
BD3812F
3) Basic configuration of control data format
Input direction
MSB
LSB
Data
D16 D15 D14 D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
Data
Select Address
Control data format
Input direction
Select Address
Data
D16 D15 D14 D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
Master Volume 2ch
Master Volume 1ch
1
1
0
Data
D16 D15 D14 D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
*
*
*
*
*
*
*
*
*
*
*
Output gain amp
1
1
1
* is 0 or 1.
By changing the setting of select address, 4 control data formats can be selected.
Do not set the select address data to other than specified above.
At power on, initialize all the data.
Input direction
MSB
LSB
MSB
LSB
Data①
LData②
L
“L” shows latch.
After power on, in the second time or after, only data you want to change can be set.
(Example) When to change bus
Input direction
MSB
LSB
Data①
L
“L” shows latch.


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