ak4145 AKM Semiconductor, Inc., ak4145 Datasheet - Page 22

• Manufacturer Part Number: ak4145
• Description: Digital Stereo Btsc Encoder
• Manufacturer: AKM Semiconductor, Inc.

Lch Volume control
Rch Volume control
BTSC Composite Volume control
Stereo Matrix control
Rev. 0.3
L7-0: Lch Volume Control when VOLC bit = “0” (
R7-0: Rch Volume Control when VOLC bit = “0”
ATT = 20 log
Addr
Addr
Addr
Addr
02H
03H
04H
05H
FFH: 0dB (default)
….
00H: Mute
PL3-0: Stereo Matrix control
These bits control both Lch and Rch volume when VOLC bit = “1”.
Don’t care when VOLC bit = “1”.
Refer to
Composite Volume
Register Name
Register Name
Register Name
Register Name
Default
Default
Default
Default
Stereo Matrix
Lch Volume
Rch Volume
10
Table
R/W
R/W
R/W
R/W
((ATT_DATA + 1) / 256) [dB]
13.
ATT7
R/W
R/W
R/W
RD
D7
D7
R7
D7
D7
L7
0
0
1
0
0
ATT6
R/W
R/W
R/W
RD
D6
D6
R6
D6
D6
L6
1
0
0
0
0
(Table
Table
- 22 -
ATT5
R/W
R/W
R/W
9).
RD
D5
D5
R5
10).
D5
D5
L5
1
1
1
0
0
ATT4
R/W
R/W
R/W
RD
D4
L4
D4
R4
D4
D4
1
1
1
0
0
ATT3
R/W
R/W
R/W
R/W
PL3
D3
D3
R3
D3
D3
L3
1
1
1
1
ATT2
R/W
R/W
R/W
R/W
PL2
D2
D2
R2
D2
D2
L2
1
0
1
1
ATT1
R/W
R/W
R/W
R/W
PL1
D1
D1
D1
D1
L1
R1
1
1
1
0
[AK4145]
ATT0
R/W
R/W
R/W
R/W
PL0
D0
D0
D0
D0
R0
L0
2007/11
0
0
1
1