ak4141 AKM Semiconductor, Inc., ak4141 Datasheet - Page 62

• Manufacturer Part Number: ak4141
• Description: Nicam/a2/eia-j Digital Stereo Decoder
• Manufacturer: AKM Semiconductor, Inc.

AUTO
LSEL[1:0]
MS0952-E-00
4AH
Addr
LSEL[1:0]
Automatic audio output select enable. When it is enabled, the automatic output select monitors the signal conditions
and outputs the appropriate audio signals continuously. When disabled, and in dual sound carrier mode, the
applicable demodulator output is muted if the quality of the signal is too poor.
Left output select. When automatic audio output select is disabled, the left output will output a signal according to
the value of this word. When AUTO is enabled, this word is used to determine the preferred output as shown in the
Table
00H
01H
02H
03H
LSEL[1:0]
Decoder Output Control
55.
00H
01H
02H
03H
Default
Register Name
R/W
Unknown),
EIA-J, A2
FM Radio
(Stereo or
(in poor signal conditions, the output in parentheses is automatically selected)
(Mono)
L
AUTO
00H
01H
EIA-J
Mono
A
L
B
Left Preferred Outputs for AUTO = “0”
EIAJ, A2
(Mono)
LOR
Mono
R/W
D7
Left Preferred Outputs for AUTO = “1”
0
Table 54. Left Output for AUTO= “0”
Table 55. Left Output for AUTO= “1”
Table 53. Automatic audio output
Automatic audio output
ROL
R/W
D6
0
Mono
(Dual Mono)
A2
A
L
B
EIA-J, A2
B(A)
Disabled
Enabled
- 62 -
A
LRSM
R/W
D5
0
AUTO
NICAM
AMono
R/W
(AMono)
D4
NICAM
(Stereo)
1
A
L
B
L
R/W
D3
0
LSEL[1:0]
(default)
(Mono/ Data)
A (AMono)
NICAM
FM Radio
Mono
Mono
R/W
D2
L-R
1
L
R/W
D1
(Dual Mono)
0
A (AMono)
B (AMono)
RSEL[1:0]
NICAM
(default)
[AK4141]
R/W
2008/05
D0
1