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AK4141 Datasheet, PDF (58/96 Pages) Asahi Kasei Microsystems – NICAM/A2/EIA-J Digital Stereo Decoder | |||
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CONFIDENTIAL
[AK4141]
Addr
42H
Register Name
Standard Select
R/W
Default
D7
D6
D5
D4
D3
D2
D1
D0
0
ID[1:0]
STD[2:0]
R/W R/W R/W R/W R/W R/W R/W R/W
0
0
0
0
0
1
1
1
ID[1:0]
ID æ¤åºã¢ã¼ããEIA-Jåã³A2è¦æ ¼ã®ä¿¡å·ã¯ã¢ã/ã¹ãã¬ãª/2ã¶å½èªã®èå¥ç¨ãã¼ã³ãå«ãã§ããå¯è½æ§ã
ããã¾ããID[1:0]bitã¯IDãã³ã¼ããæ³å®ãã¹ãè¦æ ¼ã決å®ãã¾ããA2è¦æ ¼ã§ã¯A2åã³A2Mã®èå¥ç¨ã
ã¼ã³ãããã¾ããé常ID[1:0]bitã¯ã·ã¹ãã é¸æã¬ã¸ã¹ã¿ (SYS[3:0])ãåæ ãã¦èªåçã«æ´æ°ããã¾ããã
æåã§ä¸æ¸ããããã¨ãå¯è½ã§ãã
ID[1:0]
00
01
10
11
ID Detector Mode
EIAJ
A2
A2M
A2M
Table 43. ID Detector Mode
(default)
STD[2:0]
ãã³ã¼ãããè¦æ ¼ã®é¸æãé常ã¯ã·ã¹ãã é¸æã¬ã¸ã¹ã¿(SYS[3:0])ã§é¸æãããè¦æ ¼ãåæ ãã¦ãèªåçã«ã¢ã
ããã¼ãããã¾ãããæåã§ä¸æ¸ããããã¨ãã§ãã¾ãã
STD[2:0]
000
001
010
011
100
101
110
111
Decoding Standard
reserved
reserved
reserved
EIA-J
A2
FM Radio (75µs)
FM Radio (50µs)
NICAM
Table 44. ãã³ã¼ãã£ã³ã°è¦æ ¼
(default)
Addr
Register Name
D7
D6
D5
D4
D3
D2
D1
D0
43H Decoder Sample Rate
DECFS[1:0]
R/W
R/W R/W R/W R/W R/W R/W R/W R/W
Default
0
0
0
0
0
0
0
0
DECFS[1:0]
Decoder Sample Rate
00
48kHz (default)
01
32kHz
10
44.1kHz
11
reserved
Table 45. ãµã³ãã«ã¬ã¼ã
MS0952-J-03
- 58 -
2013/12
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