參數(shù)資料
型號: AK5366VR
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: 24-Bit 48kHz ツヒ ADC with Selector/PGA/ALC
中文描述: 24位48kHz的ツヒADC,具有選擇/美國PGA / ALC的
文件頁數(shù): 38/42頁
文件大?。?/td> 325K
代理商: AK5366VR
ASAHI KASEI
[AK5366VR
]
MS0526-E-00
2006/07
- 38 -
Addr
07H
Register Name
ALC Mode Control 2
R/W
Default
D7
REF7
R/W
1
D6
REF6
R/W
0
D5
REF5
R/W
0
D4
REF4
R/W
0
D3
REF3
R/W
1
D2
REF2
R/W
1
D1
REF1
R/W
1
D0
REF0
R/W
0
REF7-0: Reference value at ALC recovery operation (see Table 21)
During the ALC 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.
The REF7-0 bits should not be set up except for Table 21.
DATA (hex)
Gain (dB)
A4H
:
90H
8FH
8EH
8DH
:
89H
:
81H
80H
Table 21. Reference value at ALC recovery operation
Addr
Register Name
D7
D6
D5
08H
Lch DATT Control
ATTL7
ATTL6
ATTL5
09H
Rch DATT Control
ATTR7
ATTR6
ATTR5
R/W
R/W
R/W
R/W
Default
0
1
1
ATTL/R7-0: Digital output volume control (see Table 11)
Initial value is “7FH”.
The data must not be written over 90H.
When PDN pin = “L”, ATTL/R7-0 bits are initialized “7FH”.
When PWN bit = “0”, the DATT holds the last setting value.
Addr
Register Name
D7
D6
0AH
Lch Peak Hold Low Byte
PHL7
PHL6
0BH
Lch Peak Hold High Byte
PHL15
PHL14
PHL13
0CH
Rch Peak Hold Low Byte
PHR7
PHR6
0DH
Rch Peak Hold High Byte
PHR15
PHR14
PHR13
R/W
Default
0
0
PHL15-0: Lch Peak Hold Low/High Byte
PHR15-0: Rch Peak Hold Low/High Byte
The AK5366VR includes the peak hold circuit. The peak is held L/R audio data independently. These
registers are reset by reading 8bit of MSB, reading 8bit of both MSB and LSB should be continuity
controlled by reading in order of 8bit of MSB from LSB. After reading 8bit of LSB the last, 8bit of MSB
is lost by reading 8bit of LSB the last. The output value is the absolute value. Full scale is “FFFFH”.
These registers are reset by PDN pin = “L” or PWN bit = “0”.
+18.0
:
+8.0
+7.5
+7.0
+6.5
:
+4.5
:
+0.5
0
Default
D4
D3
D2
D1
D0
ATTL4
ATTR4
R/W
1
ATTL3
ATTR3
R/W
1
ATTL2
ATTR2
R/W
1
ATTL1
ATTR1
R/W
1
ATTL0
ATTR0
R/W
1
D5
PHL5
D4
PHL4
PHL12
PHR4
PHR12
D3
PHL3
PHL11
PHR3
PHR11
D2
PHL2
PHL10
PHR2
PHR10
D1
PHL1
PHL9
PHR1
PHR9
D0
PHL0
PHL8
PHR0
PHR8
PHR5
RD
0
0
0
0
0
0
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