參數(shù)資料
型號(hào): AK4534
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 16Bit CODEC with MIC/HP/SPK-AMP
中文描述: 16位編解碼器麥克風(fēng)/惠普/胰腎聯(lián)合移植腺苷
文件頁(yè)數(shù): 49/64頁(yè)
文件大小: 443K
代理商: AK4534
ASAHI KASEI
[AK4534]
MS0133-E-03
2003/5
- 49 -
Addr
0AH
Register Name
ALC Mode Control 2
R/W
Default
D7
0
RD
0
D6
REF6
R/W
0
D5
REF5
R/W
1
D4
REF4
R/W
1
D3
REF3
R/W
0
D2
REF2
R/W
1
D1
REF1
R/W
1
D0
REF0
R/W
0
REF6-0: Reference value at ALC1 Recovery Operation (see Table 29)
During the ALC1 recovery operation, if the IPGA value exceeds the setting reference value by gain operation, then
the IPGA does not become larger than the reference value. For example, when REF7-0 = “30H”, RATT = 2step,
IPGA = 2FH, even if the input signal does not exceed the “ALC1 Recovery Waiting Counter Reset Level”, the
IPGA does not change to 2FH + 2step = 31H, and keeps 30H. Default is “36H”.
DATA (HEX)
47
46
45
:
36
:
10
:
06
05
04
03
02
01
00
Table 29. Setting Reference Value at ALC1 Recovery Operation
GAIN (dB)
+27.5
+27.0
+26.5
:
+19.0
:
+0.0
:
5.0
5.5
6.0
6.5
7.0
7.5
8.0
STEP
Default
0.5dB
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