BH3868BFS Rohm Semiconductor, BH3868BFS Datasheet - Page 12

• Manufacturer Part Number: BH3868BFS
• Description: IC AUDIO SOUND PROCESSR SSOP-A32
• Manufacturer: Rohm Semiconductor
• Type: Volume Controlr

Specifications of BH3868BFS

• Applications: Automotive Audio
• Mounting Type: Surface Mount
• Package / Case: 32-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Audio ICs
(2) I
Slave Address of BH3868BFS
(3) Setting of Select Address
Upon transferring consecutive data, the select address circulates because of the automatic increment function as follows:
0
1
2
3
4
5
2
C BUS format
Fixing 16pin to V
Making 16pin OPEN
1ch Volume
2ch Volume
BBE Processor
BBE, Bass
MUTE, Treble
AGC, Surround
1bit
0→1→2→3→4→5
The circulation starts from the select address specified first.
It doesn't patrol from selection address 5 to selection address 0.
S
• S
• Slave Address
• A
• Select Address
• Data
• P
MSB
Parameter
Slave Address
CC
8bit
MSB
MSB
D7
D7
=Start condition (Recognition of start bit)
=Recognition of IC. The high order 7 bits are optional.
=Acknowledge bit (Recognition of acknowledgement)
=Selection of 1ch volume, 2ch volume, BBE effect, bass+BBE, treble+MUTE and
=Data on volume and tone.
=Stop condition (Recognition of stop bit)
1
1
The least significant bit is “L” for writing.
LSB
AGC+matrix surround.
MSB
D7
1bit
D6
D6
0
0
0
0
0
0
A
0
0
MSB
D5
D5
0
0
Select Address
D6
0
0
0
0
0
0
D4
D4
0
0
8bit
D3
D3
0
0
D5
0
0
0
0
0
0
D2
D2
LSB
0
0
1bit
D4
A
0
0
0
0
0
0
D1
D1
1
0
MSB
R / W
R / W
0
0
LSB
LSB
D3
0
0
0
0
0
0
Data
8bit
D2
0
0
0
0
1
1
LSB
BH3868BFS
1bit
A
D1
0
0
1
1
0
0
1bit
P
LSB
12/27
D0
0
1
0
1
0
1