AK4951AEN Datasheet, PDF (86/105 Pages) Asahi Kasei Microsystems – 24bit Stereo CODEC with MIC/HP/SPK-AMP

[AK4951A]
Addr Register Name
D7
D6
D5
D4
D3
D2
D1
D0
30H 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.
Addr
31H
Register Name
Device Information
R/W
Default
D7
REV3
R
1
D6
REV2
R
1
D5
REV1
R
0
DVN3-0: Device No. ID (Read operation only.)
0001: AK4951
REV3-0: Device Revision ID (Read operation only.)
1101: AK4951A
D4
REV0
R
1
D3
DVN3
R
0
D2
DVN2
R
0
D1
DVN1
R
0
D0
DVN0
R
1
016001936-E-00
- 86 -
2016/03