參數(shù)資料
型號(hào): BD3870FS-E2
廠商: Rohm Semiconductor
文件頁(yè)數(shù): 4/7頁(yè)
文件大小: 0K
描述: IC SOUND PROCESSOR SSOP-A24
標(biāo)準(zhǔn)包裝: 2,000
類型: 音頻處理器
應(yīng)用: 音頻系統(tǒng)
安裝類型: 表面貼裝
封裝/外殼: 24-SOP(0.209",5.30mm 寬)
供應(yīng)商設(shè)備封裝: 24-SSOPA
包裝: 帶卷 (TR)
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
(2)
Volume A
Volume B
*
0
1
(3)
Bass Gain
Treble Gain
1
0
(4)
*
1
Control Data Format (BD3872FS)
Data input direction
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
(1)
Input Gain
Input Selector
*
0
(2)
Volume A
Volume B
*
0
1
(3)
Bass Gain
Treble Gain
1
0
(4)
*
Surround
SEQ
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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