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AK4141 Datasheet, PDF (62/96 Pages) Asahi Kasei Microsystems – NICAM/A2/EIA-J Digital Stereo Decoder | |||
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CONFIDENTIAL
[AK4141]
Addr
4AH
Register Name
Decoder Output Control
R/W
Default
D7
LOR
R/W
0
D6
ROL
R/W
0
D5
LRSM
R/W
0
D4
AUTO
R/W
1
D3
D2
LSEL[1:0]
R/W
R/W
0
1
D1
D0
RSEL[1:0]
R/W
R/W
0
1
AUTO
èªåãªã¼ãã£ãªåºåé¸æã¤ãã¼ãã«ã ã¤ãã¼ãã«æãèªååºåé¸ææ©è½ã¯ä¿¡å·ç¶æ
ãã¢ãã¿ãé©åãªä¿¡
å·ãåºåãã¾ãããã£ã»ã¼ãã«æãã¤2ãã£ãªã¢ã¢ã¼ãæã¯ãä¿¡å·å質ãé度ã«å£æªãªå ´åã¯ãã®å¾©èª¿
åºåã¯ãã¥ã¼ãããã¾ãã
AUTO
0
1
Automatic audio output
Disabled
Enabled
Table 53. Automatic audio output
(default)
LSEL[1:0]
Lchåºåé¸æãèªåé³å£°åºåé¸æ(AUTO bit)ããã£ã»ã¼ãã«æã¯ãLchåºåãLSEL[1:0]bitã§é¸æãã¾ãã
èªåé³å£°åºåé¸æ(AUTO bit)ãã¤ãã¼ãã«æãLSEL[1:0]bit ã¯Table 55ã«ç¤ºãããã«é³å£°é¸ææ¹æ³ã決å®
ãã¾ãã
LSEL[1:0]
00
01
10
11
Left Preferred Outputs for AUTO = â0â
EIA-J
A2
NICAM
Mono
Mono
AMono
L
L
L
A
A
A
B
B
B
Table 54. Left Output for AUTO= â0â
FM Radio
Mono
L
Mono
L-R
(default)
LSEL[1:0]
00
01
10
11
Left Preferred Outputs for AUTO = â1â
(in poor signal conditions, the output in parentheses is automatically selected)
EIA-J, A2
(Stereo or
EIAJ, A2
EIA-J, A2
NICAM
NICAM
Unknown),
(Mono) (Dual Mono) (Stereo) (Mono/ Data)
FM Radio
NICAM
(Dual Mono)
L
(Mono)
Mono
A
L
(AMono)
B(A)
Table 55. Left Output for AUTO= â1â
A (AMono)
A (AMono)
B (AMono)
MS0952-J-03
- 62 -
2013/12
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