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AK4495SEQ Datasheet, PDF (48/58 Pages) Asahi Kasei Microsystems – Quality-oriented Premium 32-Bit 2ch DAC | |||
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[AK4495S]
Addr Register Name
03H Lch ATT
04H Rch ATT
Default
D7
ATT7
ATT7
1
D6
ATT6
ATT6
1
D5
ATT5
ATT5
1
D4
ATT4
ATT4
1
D3
ATT3
ATT3
1
D2
ATT2
ATT2
1
D1
ATT1
ATT1
1
D0
ATT0
ATT0
1
ATT7-0: Attenuation Level
256 levels, 0.5dB step
Data
FFH
FEH
FDH
:
:
02H
01H
00H
Attenuation
0dB
-0.5dB
-1.0dB
:
:
-126.5dB
-127.0dB
MUTE (-ï¥)
è¨å®å¤éã®é·ç§»ã¯ã½ããé·ç§»ã§ãããããã£ã¦ãé·ç§»ä¸ã«ã¹ã¤ããã³ã°ãã¤ãºã¯çºçãã¾ããã
ATTè¨å®éã®é·ç§»ã¯7425ã¬ãã«ã§ã½ããé·ç§»ãã¾ããFFH (0dB)ãã00H (MUTE)ã¾ã§ã«ã¯7424/fs
(168ms@fs=44.1kHz)ãããã¾ããã¤ãã·ã£ã«ãªã»ããããã¨ã¢ãããã¼ã·ã§ã³ã¬ãã«ã¯FFHã«å
æåããã¾ããRSTN bit = â0â ã®æãATTå¤ã¯FFHã§ãRSTN bit ã â1âã«æ»ãã¨ãATTå¤ã¯ããã
ãã®é»æµå¤ã¸å¾©å¸°ãã¾ãããã®ãã¸ã¿ã«ã¢ãããã¼ã·ã§ã³ã¯ã½ãããã¥ã¼ãæ©è½ã¨ã¯ç¬ç«ãã¦ã
ã¾ãã
Addr Register Name
05H Control 4
Default
D7
D6
D5
D4
D3
D2
D1
D0
INVL INVR
0
ï¼
0
0
DFS2 SSLOW
0
0
0
0
0
0
0
0
SSLOW: Super Slow roll off Filter Enable
0: Disable (default)
1: Enable
DFS2: Sampling Speed Control (Table 9)
åæå¤ã¯â000â (Normal Speed)ã§ããDFS2-0 bitãåãæ¿ããå ´åãã¯ãªãã¯ãã¤ãºãçºçã
ã¾ãã
DFS2
0
0
0
0
1
1
1
1
DFS1 DFS0
Sampling Rate (fs)
0
0
Normal Speed Mode
30kHz ï¾ 54kHz
0
1
Double Speed Mode
54kHz ï¾ 108kHz
1
0
Quad Speed Mode
120kHz ï¾ 216kHz
1
1
Reserved
-
0
0
Oct Speed Mode
384kHz
0
1
Hexa Speed Mode
768kHz
1
0
Reserved
-
1
1
Reserved
-
Table 9. Sampling Speed (Manual Setting Mode @Serial Mode)
(default)
MS1560-J-01
- 48 -
2013/11
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