ak4141 AKM Semiconductor, Inc., ak4141 Datasheet - Page 63

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

RSEL[1:0]
MS0952-E-00
LRSM
ROL
RSEL[1:0]
Right output select. When automatic audio output select is disabled, the right 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
Left and right summing mode. Provides capability to sum the left and right channels.
Right channel outputs left channel audio. Provides capability for the right channel to output the left channel audio.
00H
01H
02H
03H
RSEL[1:0]
70.
00H
01H
02H
03H
LRSM
Unknown),
00H
01H
EIA-J, A2
FM Radio
(Stereo or
R(Mono)
(in poor signal conditions, the output in parentheses is automatically selected)
ROL
00H
01H
EIA-J
Mono
LStndrd and RStndrd are defined as what the left and right
A
R
B
(LSEL defined according to
(LSEL defined according to
EIAJ, A2
(Mono)
Right Outputs for AUTO = “0”
outputs would be if LRSM were 0(inactive)
Mono
Table 56. Right Output for AUTO= “0”
Table 57. Right Output for AUTO= “1”
Left and right outputs are unchanged.
Right Outputs for AUTO = “1”
L = R = (LStndrd + RStndrd) / 2
Table 58. LSEL Definition
Table 59. LSEL Definition
Left Channel Definition
Left / Right Outputs
Mono
Standard Definition
(Dual Mono)
RSEL Definition
A2
Summing Mode
Standard Mode
A
R
B
EIA-J, A2
B(A)
- 63 -
A
Table
Table
R (AMono)
NICAM
AMono
NICAM
(Stereo)
54,
56,
A
R
B
Table
Table
55)
57)
(Mono/ Data)
A (AMono)
NICAM
FM Radio
Mono
Mono
(default)
L-R
R
(default)
(Dual Mono)
A (AMono)
B (AMono)
NICAM
(default)
[AK4141]
2008/05