ak4648 AKM Semiconductor, Inc., ak4648 Datasheet - Page 93

• Manufacturer Part Number: ak4648
• Description: Stereo Codec With Mic/hp/spk-amp
• Manufacturer: AKM Semiconductor, Inc.

MS0625-E-01
Addr
11H
GN1-0: : Gain Select at GAIN block (Table 25)
FIL3: FIL3 (Stereo Separation Emphasis Filter) Coefficient Setting Enable
EQ: EQ (Gain Compensation Filter) Coefficient Setting Enable
FIL1: FIL1 (Wind-noise Reduction Filter) Coefficient Setting Enable
Default: “00” (0dB)
0: Disable (default)
1: Enable
0: Disable (default)
1: Enable
0: Disable (default)
1: Enable
Register Name
Digital Filter Select
When FIL3 bit is “1”, the settings of F3A13-0 and F3B13-0 bits are enabled. When FIL3 bit is “0”, FIL3 block
is OFF (MUTE).
When EQ bit is “1”, the settings of EQA15-0, EQB13-0 and EQC15-0 bits are enabled. When EQ bit is “0”,
EQ block is through (0dB).
When FIL1 bit is “1”, the settings of F1A13-0 and F1B13-0 bits are enabled. When FIL1 bit is “0”, FIL1 block
is through (0dB).
Default
R/W
GN1
R/W
D7
0
GN0
R/W
D6
0
- 93 -
RD
D5
0
0
FIL1
R/W
D4
0
R/W
EQ
D3
0
FIL3
R/W
D2
0
RD
D1
0
0
[AK4648]
2007/06
RD
D0
0
0