AK4648 Datasheet, PDF (99/119 Pages) Asahi Kasei Microsystems – Stereo CODEC with MIC/HP/SPK-AMP

[AK4648]
Addr
24H
Register Name
SPK Mixing Select
R/W
Default
D7
D6
D5
D4
D3
D2
D1
D0
0
0
RINS4 LINS4 RINS3 LINS3 RINS2 LINS2
RD
RD
R/W
R/W
R/W
R/W
R/W
R/W
0
0
0
0
0
0
0
0
LINS2: Switch Control from LIN2 pin to Speaker Output
0: OFF (default)
1: ON
RINS2: Switch Control from RIN2 pin to Speaker Output
0: OFF (default)
1: ON
LINS3: Switch Control from LIN3 pin to Speaker Output
0: OFF (default)
1: ON
RINS3: Switch Control from RIN3 pin to Speaker Output
0: OFF (default)
1: ON
LINS4: Switch Control from LIN4 pin to Speaker Output
0: OFF (default)
1: ON
RINS4: Switch Control from RIN4 pin to Speaker Output
0: OFF (default)
1: ON
Addr
25H
26H
Register Name
EQ Control of 250Hz/100Hz
EQ Control of 3.5kHz/1kHz
R/W
Default
D7
FBEQB3
FBEQD3
R/W
1
D6
FBEQB2
FBEQD2
R/W
0
D5
FBEQB1
FBEQD1
R/W
0
D4
FBEQB0
FBEQD0
R/W
0
D3
D2
FBEQA3 FBEQA2
FBEQC3 FBEQC2
R/W
R/W
1
0
D1
FBEQA1
FBEQC1
R/W
0
D0
FBEQA0
FBEQC0
R/W
0
Addr
27H
Register Name
EQ Control of 10kHz
R/W
Default
D7
D6
D5
D4
D3
D2
D1
D0
0
0
0
0
FBEQE3 FBEQE2 FBEQE1 FBEQE0
RD
RD
RD
RD
R/W
R/W
R/W
R/W
0
0
0
0
1
0
0
0
Select boost amount of 5-Band Equalizer (Table 37). When FBEQ bit is set to “1”, the 5-Band Equalize function is
enabled.
FBEQA3-0: Select the boost level of 100Hz (Default: 0dB)
FBEQB3-0: Select the boost level of 250Hz (Default: 0dB)
FBEQC3-0: Select the boost level of 1kHz (Default: 0dB)
FBEQD3-0: Select the boost level of 3.5kHz (Default: 0dB)
FBEQE3-0: Select the boost level of 10kHz (Default: 0dB)
MS0625-E-01
- 99 -
2007/06