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BD3873FS Fiches technique(PDF) 4 Page - Rohm

No de pièce BD3873FS
Description  Sound Processors with Built-in 3-band Equalizers
Download  16 Pages
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Fabricant  ROHM [Rohm]
Site Internet  http://www.rohm.com
Logo ROHM - Rohm

BD3873FS Fiches technique(HTML) 4 Page - Rohm

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Technical Note
4/15
www.rohm.com
2010.10 - Rev.A
© 2010 ROHM Co., Ltd. All rights reserved.
BD3870FS,BD3871FS,BD3872FS,BD3873FS
3) Control Data Format List
Basic Configuration of Control Data Format
 Data input direction
MSB
LSB
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
Data
Select
Address
Control Data Format (BD3870FS, BD3871FS, BD3873FS)
 Data input direction
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
(1)
Input Selector
Input Gain
Surround
*
*
*
0
0
(2)
Volume A
Volume B
*
0
1
(3)
Bass Gain
Treble Gain
1
0
(4)
*
*
*
*
*
*
*
*
1
1
Control Data Format (BD3872FS)
 Data input direction
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
(1)
Input Gain
Input Selector
*
*
0
0
(2)
Volume A
Volume B
*
0
1
(3)
Bass Gain
Treble Gain
1
0
(4)
*
*
*
*
*
*
Surround
SEQ
1
1
”*” indicates 0 or 1.
By changing the setting of Select Address, three or four different control formats (BD3871FS, BD3872FS,
BD3873FS, plus BD3872FS) are selectable.
In every power-on sequence, all of the address data must be initialized.
Example:
Input direction
MSB
LSB
MSB
LSB
MSB
LSB
MSB
LSB
Data(1)
L
Data(2)
L
Data(3)
L
Data(4)
L
“L” indicates a latch.
After power-on, for the second and subsequent times, only the necessary data can be selected for setting.
Example: When changing the volume,
Input direction
MSB
LSB
Data(2)
L
“L” indicates a latch.


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