BD3870FS-E2 Rohm Semiconductor, BD3870FS-E2 Datasheet - Page 4
![no-image](/images/manufacturer_photos/0/5/572/rohm_semiconductor_sml.jpg)
BD3870FS-E2
Manufacturer Part Number
BD3870FS-E2
Description
IC SOUND PROCESSOR SSOP-A24
Manufacturer
Rohm Semiconductor
Series
-r
Type
Audio Processorr
Datasheet
1.BD3870FS-E2.pdf
(16 pages)
Specifications of BD3870FS-E2
Applications
Audio Systems
Mounting Type
Surface Mount
Package / Case
24-SOP
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
BD3870FS-E2
Manufacturer:
ROHM/罗姆
Quantity:
20 000
BD3870FS,BD3871FS,BD3872FS,BD3873FS
© 2010 ROHM Co., Ltd. All rights reserved.
www.rohm.com
3) Control Data Format List
Basic Configuration of Control Data Format
Control Data Format (BD3870FS, BD3871FS, BD3873FS)
Control Data Format (BD3872FS)
Data input direction
Data input direction
Data input direction
・”*” indicates 0 or 1.
・By changing the setting of Select Address, three or four different control formats (BD3871FS, BD3872FS,
・In every power-on sequence, all of the address data must be initialized.
・After power-on, for the second and subsequent times, only the necessary data can be selected for setting.
BD3873FS, plus BD3872FS) are selectable.
Example:
Example: When changing the volume,
(1)
(2)
(3)
(4)
(1)
(2)
(3)
(4)
←Input direction
←Input direction
MSB
MSB
Data(1)
Data(2)
MSB
D9
Input Selector
D9
D9
*
*
“L” indicates a latch.
Input Gain
LSB
“L” indicates a latch.
LSB
D8
L
L
D8
*
D8
*
Bass Gain
Bass Gain
MSB
Volume A
Data(2)
Volume A
D7
D7
D7
*
*
Input Gain
LSB
D6
L
D6
D6
*
*
Data
MSB
Input Selector
4/15
Surround
Data(3)
D5
D5
D5
*
*
LSB
D4
D4
D4
L
Treble Gain
Treble Gain
*
*
*
Volume B
Volume B
MSB
Surround
Data(4)
D3
D3
D3
*
*
*
LSB
SEQ
D2
D2
D2
L
*
*
*
*
*
D1
Technical Note
D1
D1
2010.10 - Rev.A
0
0
1
1
0
0
1
1
Address
Select
LSB
D0
D0
D0
0
1
0
1
0
0
1
1