AK4950 Datasheet, PDF (85/106 Pages) Asahi Kasei Microsystems – 24bit Stereo CODEC with MIC/SPK/Cap-less VIDEO-AMP & mini DSP

[AK4950]
Addr Register Name
D23
D22
D21
D20
D19
D18
D17
D16
2DH Digital Filter Control 2
0
0
LPF
HPF
EQ0
GN1
GN0
FIL3
R/W
R
R
R/W
R/W
R/W
R/W
R/W
R/W
Default
0
0
0
0
0
0
0
0
FIL3: Stereo Emphasis Filter Control
0: OFF (default)
1: ON
When FIL3 bit = “1”, the settings of 8FH ~ 93H are enabled.
GN1-0: Gain Block Gain Setting (Table 26)
Default: “00” (0dB)
EQ0: Gain Compensation Filter (EQ0) Control
0: OFF (default)
1: ON
When EQ0 bit = “1”, the settings of 99H ~ 9DH are enabled. When EQ0 bit = “0”, EQ0 block is through
(0dB).
HPF: HPF2 Coefficient Setting Enable
0: OFF (default)
1: ON
When HPF bit is “1”, the settings of 83H ~ 87H are enabled. When HPF bit is “0”, HPF2 block is through
(0dB).
LPF: LPF Coefficient Setting Enable
0: OFF (default)
1: ON
When LPF bit is “1”, the settings of 89H ~ 8DH are enabled. When LPF bit is “0”, LPF block is through
(0dB).
MS1320-E-00
- 85 -
2011/10