ak4140 AKM Semiconductor, Inc., ak4140 Datasheet - Page 38

• Manufacturer Part Number: ak4140
• Description: Digital Btsc Decoder
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
Lch Volume control
Rch Volume control
Signal Status
MS0547-E-01
Addr
Addr
Addr
04H
05H
06H
L4-0: Lch Volume Control
VOLC: Lch/Rch Volume Common Control Enable
R4-0: Rch Volume Control when VOLC bit = “0”. Don’t care when VOLC bit = “1”.
PILOT: Pilot signal status
SAP: SAP signal status
NOISE: NOISE status
Register Name
Register Name
Register Name
Default
Default
Default
Signal Status
R/W
R/W
R/W
Rch ATT
Lch ATT
0: Independent Control. L4-0 and R4-0 bits control Lch and Rch independently.
1: Common Control (default). L4-0 bits control both Lch and Rch. R4-0 bits are ignored.
0: Pilot signal.
1: Pilot signal is detected.
0: No SAP signal.
1: SAP signal is detected.
0: No noise.
1: Noise is detected.
VOLC
R/W
RD
RD
D7
D7
D7
1
0
0
0
0
RD
RD
RD
D6
D6
D6
0
0
0
0
0
0
- 38 -
RD
RD
RD
D5
D5
D5
0
0
0
0
0
0
R/W
R/W
RD
D4
D4
D4
R4
L4
0
0
0
0
R/W
R/W
RD
D3
D3
D3
L3
R3
0
0
0
0
NOISE
R/W
R/W
RD
D2
D2
D2
R2
L2
0
0
0
R/W
R/W
SAP
RD
D1
D1
D1
R1
L1
0
0
0
PILOT
[AK4140]
R/W
R/W
RD
D0
D0
D0
L0
R0
2007/03
0
0
0