AK4637 Datasheet, PDF (80/96 Pages) Asahi Kasei Microsystems – 24bit Mono CODEC with MIC - SPK-AMP

[AK4637]
Addr Register Name
D7
D6
D5
D4
D3
D2
D1
D0
21H Digital Filter Select 3
0
0
0
EQ5
EQ4
EQ3
EQ2
EQ1
R/W
R
R
R
R/W
R/W
R/W
R/W
R/W
Default
0
0
0
0
0
0
0
0
EQ1: Equalizer 1 Coefficient Setting Enable
0: Disable (default)
1: Enable
When EQ1 bit is “1”, the settings of E1A15-0, E1B15-0 and E1C15-0 bits are enabled. When
EQ1 bit is “0”, the audio data passes the EQ1 block by 0dB gain.
EQ2: Equalizer 2 Coefficient Setting Enable
0: Disable (default)
1: Enable
When EQ2 bit is “1”, the settings of E2A15-0, E2B15-0 and E2C15-0 bits are enabled. When
EQ2 bit is “0”, the audio data passes the EQ2 block by 0dB gain.
EQ3: Equalizer 3 Coefficient Setting Enable
0: Disable (default)
1: Enable
When EQ3 bit is “1”, the settings of E3A15-0, E3B15-0 and E3C15-0 bits are enabled. When
EQ3 bit is “0”, the audio data passes the EQ3 block by 0dB gain.
EQ4: Equalizer 4 Coefficient Setting Enable
0: Disable (default)
1: Enable
When EQ4 bit is “1”, the settings of E4A15-0, E4B15-0 and E4C15-0 bits are enabled. When
EQ4 bit is “0”, the audio data passes the EQ4 block by 0dB gain.
EQ5: Equalizer 5 Coefficient Setting Enable
0: Disable (default)
1: Enable
When EQ5 bit is “1”, the settings of E5A15-0, E5B15-0 and E5C15-0 bits are enabled. When
EQ5 bit is “0”, the audio data passes the EQ5 block by 0dB gain.
015010680-E-00
- 80 -
2015/09