ak4141 AKM Semiconductor, Inc., ak4141 Datasheet - Page 45

• Manufacturer Part Number: ak4141
• Description: Nicam/a2/eia-j Digital Stereo Decoder
• Manufacturer: AKM Semiconductor, Inc.

Equalizer 1
EQA1[3:0]: Select the boost level of 100Hz
EQB1[3:0]: Select the boost level of 250Hz
EQC1[3:0]: Select the boost level of 1kHz
EQD1[3:0]: Select the boost level of 3.5kHz
EQE1[3:0]: Select the boost level of 10kHz
EQ1: Equalizer1 Enable
Equalizer 2
EQA2[3:0]: Select the boost level of 100Hz
EQB2[3:0]: Select the boost level of 250Hz
EQC2[3:0]: Select the boost level of 1kHz
EQD2[3:0]: Select the boost level of 3.5kHz
EQE2[3:0]: Select the boost level of 10kHz
EQ2: Equalizer2 Enable
MS0952-E-00
Addr
Addr
20H
21H
22H
23H
24H
25H
0: Disable
1: Enable (default)
0: Disable
1: Enable (default)
EQ Control 250Hz/100Hz
EQ Control 250Hz/100Hz
EQ Control 3.5kHz/1kHz
EQ Control 3.5kHz/1kHz
EQ Contro2 10kHz
EQ Control 10kHz
Default
Default
Register Name
Register Name
R/W
R/W
EQx1[3:0], EQx2[3:0]
Table 23. Boost amount of 5 Band Equalizer
EQ1
R/W
EQ2
R/W
D7
D7
1
1
DH
EH
FH
0H
1H
2H
3H
8H
:
:
R/W
R/W
D6
D6
0
0
EQB1[3:0]
EQD1[3:0]
EQB2[3:0]
EQD2[3:0]
- 45 -
R/W
R/W
D5
D5
Boost amount
0
0
0
0
+12.0dB
+10.5dB
−10.5dB
+9.0dB
+7.5dB
−7.5dB
−9.0dB
0dB
:
:
R/W
R/W
D4
D4
0
0
(default)
R/W
R/W
D3
D3
1
1
R/W
R/W
D2
D2
0
0
EQA1[3:0]
EQC1[3:0]
EQA2[3:0]
EQC2[3:0]
EQE1[3:0]
EQE2[3:0]
R/W
R/W
D1
D1
0
0
[AK4141]
R/W
R/W
2008/05
D0
D0
0
0