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BD3873FS Datasheet(PDF) 4 Page - Rohm |
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BD3873FS Datasheet(HTML) 4 Page - Rohm |
4 / 16 page 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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