|
AK4141 Datasheet, PDF (78/96 Pages) Asahi Kasei Microsystems – NICAM/A2/EIA-J Digital Stereo Decoder | |||
|
◁ |
CONFIDENTIAL
[AK4141]
Addr
62H
63H
Register Name
Carrier 1 Average Frequency 1
Carrier 1 Average Frequency 0
R/W
Default
D7 D6 D5 D4 D3 D2 D1 D0
CR1F[15:8]
CR1F[7:0]
RD
00000000
CR1F[15:0]
ãã£ãªã¢1å¹³åå¨æ³¢æ°ãåç®ä¸ã®å¨æ³¢æ°ã¨å®éã®å¨æ³¢æ°ã¨ã®å·®ã表ãã¾ãã(2âs complement.)
Ferr = CR1F x Fs x 2-20
(Hz)
Fac = Fc + Ferr
(Hz)
Ferr = å¨æ³¢æ°ã¨ã©ã¼. åç®ä¸ã®å¨æ³¢æ°ã¨å®éã®å¨æ³¢æ°ã¨ã®å·®(Hz)
Fac =å®éã®ãã£ãªã¢å¨æ³¢æ° (Hz)
Fc =DM1Fã§è¨å®ãããåç®ä¸ã®å¨æ³¢æ° (Hz)
Fs = ãµã³ãã«ã¬ã¼ã(Hz), ãµã³ãã«ã¬ã¼ãã¬ã¸ã¹ã¿åç
§(Table 45)ã
ã¬ã¸ã¹ã¿ã¯highãã¤ããå
ã«readãã¦ä¸ãããlowãã¤ãã¯highãã¤ããreadãããæã ãæ´æ°ããã¾ãã
Addr
64H
65H
Register Name
Carrier 1 Phase Noise 1
Carrier 1 Phase Noise 0
R/W
Default
D7 D6 D5 D4 D3 D2 D1 D0
CR1P[15:8]
CR1P[7:0]
RD
00000000
CR1P[15:0]
ãã£ãªã¢1ä½ç¸ãã¤ãºãå¨æ³¢æ°å移ã«ãããå¹³åä½ç¸ãã¤ãºã表ãã¾ãã
CR1P = Fadev / Fs x 216
(in 2âs complement)
Fadev = å¹³åå¨æ³¢æ°å移 (Hz)
Fs = ãµã³ãã«ã¬ã¼ã(Hz), ãµã³ãã«ã¬ã¼ãã¬ã¸ã¹ã¿åç
§(Table 45)ã.
ã¬ã¸ã¹ã¿ã¯highãã¤ããå
ã«readãã¦ä¸ãããlowãã¤ãã¯highãã¤ããreadãããæã ãæ´æ°ããã¾ãã
MS0952-J-03
- 78 -
2013/12
|
▷ |