BH3810 Rohm, BH3810 Datasheet - Page 5

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BH3810

Manufacturer Part Number
BH3810
Description
Vocal fader IC with input selector
Manufacturer
Rohm
Datasheet

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(1) About the data format
At power on
Output port: open collector
PORT9 (16pin)
Tri-state
Mic. mute
• Address is "00"
Multimedia ICs
Descri-
Gain selector
Mode selector
Mic
Key controller
Input selector
Circuit operation
name
ption
Data
Bit number
D22
Pin
D19
D21
Data format
Data
0
1
0
0
0
1
1
0
1
MSB
D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 D16 D17 D18 D19 D20 D21 D22
(24pin)
Mic. ON
Mic. MUTE
PORT
selector
D16
D19, D20
D23
D20
Input
1
0
0
1
0
1
3bit
Mode
(23pin)
PORT
LOW
OPEN
OPEN
HI
D15
2
6dB
Through mode
Mute OFF
OFF
LA, RA
Mode
selector
Input
3bit
(22pin)
PORT
D14
3
Current sink OFF
(21pin)
Current sink ON
PORT
D13
selector
4
Mode
3bit
(20pin)
PORT
D12
PORT10 (15pin)
5
17pin 18pin 19pin 20pin 21pin 22pin 23pin 24pin
D17
0
0
1
1
(19pin)
PORT
D11
6
24 bits total
Fig.2
D17, D18
D18
Open collector port
0
1
0
1
(18pin)
PORT
D10
8bit
7
LOW
OPEN
OPEN
HI
Output port: current attraction OFF
Tri-state port: Low
Mode
(17pin)
PORT
D9
8
Tri-state
15pin
port
2bit
Tri-state
16pin
port
2bit
BH3810FS
Mic.
mute
1bit
select
Chip
2bit
D23
LSB
5

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