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FS-SD5R/FS-SD7R/FS-SD9R
™BD3861FS-X (IC501) : Audio sound control
1. Pin layout
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Bass1
Bass2
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f0=90Hz
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3. Pin function
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[CH2inputpinA
———=«*'181BASS21| CH2 bass filter setting pin
[CH1inputpinB
———S—=«d'19 BASS22| CH2 bass filter setting pin
CH1 output pin
CH1 input pin D
MID11 | CH1 middle filter setting pin
CH2 input pin D
MID12 | CH1 middle filter setting pin
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CH1 input pin E
CH2 input pin E
26, MID22 | CH2 middle filter setting pin
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IC
i L _ [ F i l t e r p i n
=
s«*t28] TRE1 | CH1 treble filter settingpin
ND |Groundpin
————«[ 29]: VOL1_| CH1 input volume input pin
TA | Serial data latch receiving pin _[30| VOL2 | CH2 input volume input pin
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CLK | Serial clock receiving pin
GOUT2 | CH2 input gain output pin
Vcc
| Power supply pin
GOUT1 | CH1 input gain output pin
2-24
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