ak4648 AKM Semiconductor, Inc., ak4648 Datasheet - Page 99

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

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