參數(shù)資料
型號: AK4631
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 16-Bit Mono CODEC with ALC & MIC/SPK-AMP
中文描述: 16位單聲道編解碼器ALC的
文件頁數(shù): 52/69頁
文件大小: 568K
代理商: AK4631
ASAHI KASEI
[AK4631]
MS0317-J-01
2004/11
- 52 -
ALC1: ALC1
0: ALC1 Disable (Default)
1: ALC1 Enable
“1”
ALC2: ALC2
0: ALC2 Disable
1: ALC2 Enable (Default)
ALC1
“0”(Disable)
(512/fs=64ms@fs=8kHz, ROTM bit = “0”)
PDN pin
“L”
“1”(Enable)
ALC2
“0”
“H”
PMSPK bit
“1”
Addr
08H
Register Name
ALC Mode Control 2
Default
D7
0
0
D6
REF6
0
D5
REF5
1
D4
REF4
1
D3
REF3
0
D2
REF2
1
D1
REF1
1
D0
REF0
0
REF6-0: ALC1
(see Table 38)
REF6-0 bit
ALC1
IPGA
REF=30H, RATT=2 step, IPGA=2FH
IPGA
2FH + 2step
“36H”
= 31H
REF=30H
IPGA
30H
DATA (HEX)
47
46
45
:
36
:
10
:
06
05
04
03
02
01
00
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
Table 38. Setting Reference Value at ALC1 Recovery Operation
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