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AK4141 Datasheet, PDF (72/96 Pages) Asahi Kasei Microsystems – NICAM/A2/EIA-J Digital Stereo Decoder | |||
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CONFIDENTIAL
[AK4141]
Addr
Register Name
D7
D6
D5
D4
D3
D2
D1
D0
58H Stereo Carrier Search Result 0
SRIND SRCMP SRST
SRRSL[3:0]
R/W
RD
RD
RD
RD
RD
RD
RD
RD
Default
0
0
0
0
1
1
1
1
SRRSL[3:0]
ã¹ãã¬ãªãã£ãªã¢ãµã¼ãçµæãæ°è¦ã®ã¹ãã¬ãªãã£ãªã¢ãæ¤åºãããã¨ãã ãæ´æ°ããã¾ãã
SRRSL[3:0]
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
TV System
Sound Modulation
B/G
FM-Stereo (A2)
B/G
FM-Mono/NICAM
-
reserved
-
reserved
D/K
FM-Stereo (A2, D/K1)
D/K
FM-Stereo (A2, D/K2)
D/K
FM-Stereo (A2, D/K3)
D/K
FM-Mono/NICAM (D/K, NICAM)
--
reserved
--
reserved
--
reserved
--
reserved
--
reserved
--
reserved
--
reserved
--
No result yet
Table 77. Stereo Carrier Search TV System Result
(default)
SRCMP
SRCMP
Stereo Carrier Search Result (SRRSL) Comparison to SYS
0
SRRSL and SYS are the same
(default)
1
SRRSL and SYS are different
Table 78. Stereo Carrier Search Result (SRRSL) Comparison to SYS
SRST
SRST
0
1
Stereo Carrier Search Status
Not searching
(either search is disabled or a stereo carrier has been detected)
Searching
(search is enabled and a stereo carrier is not currently detected)
Table 79. Stereo Carrier Search Status
(default)
SRIND
ã¹ãã¬ãªãã£ãªã¢ãµã¼ãã¤ã³ã¸ã±ã¼ã¿ãã·ã¹ãã é¸æãB/Gè¥ã¾ãã¯D/K ã® NICAMã¾ãã¯A2ããã£ãª
ã¢1 ãåå¨ãããã£ãªã¢2ãåå¨ããªãå ´åã示ãã¾ããã¹ãã¬ãªãã£ãªã¢ãµã¼ããã¤ãã¼ãã«ã«ããã
ã©ããã決ããã®ã«ä½¿ç¨ã§ãã¾ãã
SRIND
Stereo Carrier Search Indicator
0
SYS[3:0] is B/G or D/K, NICAM or A2 and Carrier 1 (default)
is detected and Carrier 2 is not detected
1
otherwise
Table 80. Stereo Carrier Search Indicator
MS0952-J-03
- 72 -
2013/12
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