參數(shù)資料
型號: AK4538
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 16Bit DS CODEC with MIC/HP/SPK-AMP
中文描述: 16位副編解碼器麥克風/惠普/胰腎聯(lián)合移植腺苷
文件頁數(shù): 55/70頁
文件大小: 485K
代理商: AK4538
ASAHI KASEI
[AK4538]
MS0198-E-01
2003/5
- 55 -
Addr
0BH
Register Name
Input PGA Control
R/W
Default
D7
0
RD
0
D6
D5
D4
D3
D2
D1
D0
IPGA6
R/W
0
IPGA5
R/W
0
IPGA4
R/W
1
IPGA3
R/W
0
IPGA2
R/W
0
IPGA1
R/W
0
IPGA0
R/W
0
IPGA6-0: Input Analog PGA (see Table 34)
Default: “10H” (0dB)
When IPGA gain is changed, IPGA6-0 bits should be written while PMMIC bit is “1” and ALC1 bit is “0”. IPGA
gain is reset when PMMIC bit is “0”, and then IPGA operation starts from the default value when PMMIC is
changed to “1”. When ALC1 bit is changed from “1” to “0”, IPGA holds the last gain value set by ALC1 operation.
When IPGA6-0 bits are read, the register values written by the last write operation are read out regardless the
actual gain.
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
Table 34. Input Gain Setting
STEP
Default
0.5dB
Addr
0CH
0DH
Register Name
Lch Digital ATT Control
Rch Digital ATT Control
R/W
Default
D7
D6
D5
D4
D3
D2
D1
D0
ATTL7
ATTR7
R/W
0
ATTL6
ATTR6
R/W
0
ATTL5
ATTR5
R/W
0
ATTL4
ATTR4
R/W
0
ATTL3
ATTR3
R/W
0
ATTL2
ATTR2
R/W
0
ATTL1
ATTR1
R/W
0
ATTL0
ATTR0
R/W
0
ATTL/R7-0:
Digital ATT Output Control (see Table 21)
Default: “00H” (0dB)
相關PDF資料
PDF描述
AK4538VN 16Bit DS CODEC with MIC/HP/SPK-AMP
AK4541VQ AC’97 Rev 2.1 Multimedia Audio CODEC
AK4541 AC’97 Rev 2.1 Multimedia Audio CODEC
AK4543 AC’97 Rev 2.1 Multimedia Audio CODEC
AK4543VQ AC’97 Rev 2.1 Multimedia Audio CODEC
相關代理商/技術參數(shù)
參數(shù)描述
AK4538VN 制造商:AKM 制造商全稱:AKM 功能描述:16Bit DS CODEC with MIC/HP/SPK-AMP
AK4541 制造商:AKM 制造商全稱:AKM 功能描述:AC’97 Rev 2.1 Multimedia Audio CODEC
AK4541VQ 制造商:AKM 制造商全稱:AKM 功能描述:AC’97 Rev 2.1 Multimedia Audio CODEC
AK4543 制造商:AKM 制造商全稱:AKM 功能描述:AC’97 Rev 2.1 Multimedia Audio CODEC
AK4543VQ 制造商:AKM 制造商全稱:AKM 功能描述:AC’97 Rev 2.1 Multimedia Audio CODEC