參數(shù)資料
型號(hào): AK4665AEN
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 20-Bit Stereo CODEC with MIC/HP-AMP
中文描述: 20位立體聲編解碼器麥克風(fēng)/惠普腺苷
文件頁(yè)數(shù): 29/52頁(yè)
文件大?。?/td> 541K
代理商: AK4665AEN
ASAHI KASEI
[AK4665A]
MS0440-E-01
2006/05
- 29 -
When
“ALC2 recovery waiting counter reset level
ALC2 Output Signal Level < ALC2 limiter detection level”
during the ALC2 recovery operation, the waiting timer of ALC2 recovery operation is reset. When
“ALC2 recovery waiting counter reset level > ALC2 Output Signal Level”,
the waiting timer of ALC1 recovery operation starts.
ALC2 Recovery Time
WTMP=01
FS3
FS2
FS1
FS0
WTMP=00
(Default)
768/fs (17.4ms)
512/fs (16.0ms)
768/fs (16.0ms)
384/fs (17.4ms)
256/fs (16.0ms)
384/fs (16.0ms)
192/fs (17.4ms)
128/fs (16.0ms)
192/fs (16.0ms)
WTMP=10
WTMP=11
0
0
0
1
1
1
1
1
1
0
0
0
0
0
0
1
1
1
Others
0
0
1
0
0
1
0
0
1
0
1
0
0
1
0
0
1
0
1536/fs (34.8ms)
1024/fs (32.0ms)
1536/fs (32.0ms)
768/fs (34.8ms)
512/fs (32.0ms)
768/fs (32.0ms)
384/fs (34.8ms)
256/fs (32.0ms)
384/fs (32.0ms)
3072/fs (69.7ms)
2048/fs (64.0ms)
3072/fs (64.0ms)
1536/fs (69.7ms)
1024/fs (64.0ms)
1536/fs (64.0ms)
768/fs (69.7ms)
512/fs (64.0ms)
768/fs (64.0ms)
N/A
24576/fs (557ms) Default
16384/fs (512ms)
24576/fs (512ms)
12288/fs (557ms)
8192/fs (512ms)
12288/fs (512ms)
6144/fs (557ms)
4096/fs (512ms)
6144/fs (512ms)
Table 26. ALC2 Recovery Operation Period
RGAINP
0
1
GAIN STEP
1 step
2 step
Default
0.5dB
1.0dB
Table 27. ALC2 Recovery Gain Step
REFP5-0
3FH
3EH
3DH
3CH
:
19H
18H
17H
:
02H
01H
00H
Table 28. Reference Level at ALC2 Recovery Operation
GAIN(dB)
+19.5
+19.0
+18.5
+18.0
:
+0.5
0.0
0.5
:
11.0
11.5
12.0
Step
Default
0.5dB
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