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AK4141 Datasheet, PDF (49/96 Pages) Asahi Kasei Microsystems – NICAM/A2/EIA-J Digital Stereo Decoder | |||
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CONFIDENTIAL
[AK4141]
ALC2
Addr
29H
Register Name
Timer Select
R/W
Default
D7
D6
D5
D4
D3
D2
D1
D0
0
WTM2[2:0]
ZTM2[1:0]
RFST2[1:0]
R/W R/W R/W R/W R/W R/W R/W R/W
0
0
0
0
0
0
0
0
WTM2[2:0]: ALCãªã«ããªå¾
æ©æéã®è¨å® 2
ALCåä½ä¸ã«ãªããã¿åä½ãçºçããªãå ´åããªã«ããªåä½ãè¡ãå¨æãè¨å®ãã¾ããåæå¤ã¯â00â (128/fs)
ã§ãã
WTM22
0
0
0
0
1
1
1
1
WTM21
0
0
1
1
0
0
1
1
WTM20
ALCãªã«ããªå¨æ
32kHz
44.1kHz
0
128/fs
4.0ms
2.9ms
1
256/fs
8.0ms
5.8ms
0
512/fs
16.0ms
11.6ms
1
1024/fs
32.0ms
23.2ms
0
2048/fs
64.0ms
46.4ms
1
4096/fs
128.0ms
92.9ms
0
8192/fs
256.0ms
185.8ms
1
16384/fs
512.0ms
371.5ms
Table 31. ALCãªã«ããªå¾
æ©æéã®è¨å® 2
48kHz
2.7ms
5.3ms
10.7ms
21.3ms
42.7ms
85.3ms
170.7ms
341.3ms
(default)
ZTM2[1:0]: ALCã¼ãã¯ãã¹ã¿ã¤ã ã¢ã¦ãæéã®è¨å®
ãã¤ã³ã³æ¸ãè¾¼ã¿åä½ãALCãªã«ããªåä½ã«ãããã²ã¤ã³ãå¤æ´ãããã®ã¯ãã¼ãã¯ãã¹ãããã¾ãã¯ã¿ã¤ã ã¢
ã¦ãããå ´åã§ããåæå¤ã¯â00â (128/fs)ã§ãã
ZTM21
0
0
1
1
ZTM20
ã¼ãã¯ãã¹ã¿ã¤ã ã¢ã¦ãæé
32kHz
44.1kHz
48kHz
0
128/fs
4.0ms
2.9ms
2.7ms
1
256/fs
8.0ms
5.8ms
5.3ms
0
512/fs
16.0ms
11.6ms
10.7ms
1
1024/fs
32.0ms
23.2ms
21.3ms
Table 32. ALCã¼ãã¯ãã¹ã¿ã¤ã ã¢ã¦ãæéã®è¨å® 2
RFST2[1:0]: ALCãã¡ã¼ã¹ããªã«ããªã®é度 2
Default: â00â(4å)
(default)
RFST21 bit
RFST20 bit
ãªã«ããªé度
0
0
x4
(default)
0
1
x8
1
0
x 16
1
1
N/A
Table 33. ãã¡ã¼ã¹ããªã«ããªé度è¨å® (N/A: Not available)
MS0952-J-03
- 49 -
2013/12
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