BD3870FS ROHM Co. Ltd., BD3870FS Datasheet - Page 9

• Manufacturer Part Number: BD3870FS
• Description: Audio Sound Processor For Home Audio
• Manufacturer: ROHM Co. Ltd.

●Pin description (BD3872FS)
Pin No.
10
12
13
14
15
16
11
1
2
3
4
5
6
7
8
9
Pin Name
FILTER
SEL1
SEL2
VIN1
VIN2
GND
A1
A2
B1
B2
C1
C2
D1
D2
E1
E2
1ch volume input pin
1ch input selector output pin
2ch volume input pin
2ch input selector output pin
1ch input pin A
2ch input pin A
1ch input pin B
2ch input pin B
1ch input pin C
2ch input pin C
1ch input pin D
2ch input pin D
1ch input pin E
2ch input pin E
1/2 VCC pin
Ground pin
Description
9/16
Pin No.
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
Pin Name
BOUT2
BOUT1
SOUT2
SOUT1
OUT2
OUT1
BNF2
BNF1
TNF2
TNF1
SQI2
SQI1
VCC
CAP
SC
SI
Serial clock input pin
Serial data input pin
Power supply pin
Time constant setting pin for
absorbing switching shock sound
2ch output pin
1ch output pin
2ch bass filter setting pin
1ch bass filter setting pin
2ch cinema surround or SEQ
setting pin
2ch cinema surround or SEQ
setting pin
1ch cinema surround or SEQ
setting pin
1ch cinema surround or SEQ
setting pin
2ch bass filter setting pin
1ch bass filter setting pin
2ch treble filter setting pin
1ch treble filter setting pin
Description