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AK4950 Datasheet, PDF (88/106 Pages) Asahi Kasei Microsystems – 24bit Stereo CODEC with MIC/SPK/Cap-less VIDEO-AMP & mini DSP
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[AK4950]
Stereo Emphasis EQ0 (Gain compensation) Coefficient
Addr
Register Name
D23 ~ D20
D19 ~ D16
D15 ~ D12 D11 ~ D8
Default
D7 ~ D4
D3 ~ D0
19H (3-wire)
99H (I2C)
EQ0 A0
0001
0000
0000
0000
0000
0000
1AH (3-wire)
9AH (I2C)
EQ0 A1
0000
0000
0000
0000
0000
0000
1BH (3-wire)
9BH (I2C)
EQ0 A2
0000
0000
0000
0000
0000
0000
1CH (3-wire)
9CH (I2C)
EQ0 B1
0000
0000
0000
0000
0000
0000
1DH (3-wire)
9DH (I2C)
EQ0 B2
0000
0000
0000
0000
0000
0000
R/W
W
W
W
W
W
W
* When the coefficients are in default setting, audio data passes through this block by 0dB gain even if EQ0 bit = “1”.
EQ2 Coefficient
Addr
Register Name
D23 ~ D20
D19 ~ D16
D15 ~ D12 D11 ~ D8
Default
D7 ~ D4
D3 ~ D0
20H (3-wire)
A0H (I2C)
EQ2 A0
0001
0000
0000
0000
0000
0000
21H (3-wire)
A1H (I2C)
EQ2 A1
0000
0000
0000
0000
0000
0000
22H (3-wire)
A2H (I2C)
EQ2 A2
0000
0000
0000
0000
0000
0000
23H (3-wire)
A3H (I2C)
EQ2 B1
0000
0000
0000
0000
0000
0000
24H (3-wire)
A4H (I2C)
EQ2 B2
0000
0000
0000
0000
0000
0000
25H (3-wire)
A5H (I2C)
EQ2 B1
0000
0000
0000
0000
0000
0000
26H (3-wire)
A6H (I2C)
EQ2 B2
0000
0000
0000
0000
0000
0000
R/W
W
W
W
W
W
W
* When the coefficients are in default setting, audio data passes through this block by 0dB gain even if EQ2 bit = “1”.
EQ3 Coefficient
Addr
Register Name
D23 ~ D20
D19 ~ D16
D15 ~ D12 D11 ~ D8
Default
D7 ~ D4
D3 ~ D0
29H (3-wire)
A9H (I2C)
EQ3 A0
0001
0000
0000
0000
0000
0000
2AH (3-wire)
AAH (I2C)
EQ3 A1
0000
0000
0000
0000
0000
0000
2BH (3-wire)
ABH (I2C)
EQ3 A2
0000
0000
0000
0000
0000
0000
2CH (3-wire)
ACH (I2C)
EQ3 B1
0000
0000
0000
0000
0000
0000
2DH (3-wire)
ADH (I2C)
EQ3 B2
0000
0000
0000
0000
0000
0000
2EH (3-wire)
AEH (I2C)
EQ3 B1
0000
0000
0000
0000
0000
0000
2FH (3-wire)
AFH (I2C)
EQ3 B2
0000
0000
0000
0000
0000
0000
R/W
W
W
W
W
W
W
* When the coefficients are in default setting, audio data passes through this block by 0dB gain even if EQ3 bit = “1”.
EQ4 Coefficient
MS1320-E-00
- 88 -
2011/10
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