DA7211 Datasheet, PDF (70/105 Pages) Dialog Semiconductor – Ultra-low power stereo codec

DA7211
Ultra-low power stereo codec
Table 43: STARTUP 3 0x05
Bit
Mode
Symbol
7
R
Reserved
6:0
R/W
STARTUP3
10.3 Codec registers
Table 44: MIC_L 0x07
Bit
Mode
Symbol
7
R/W
MIC_L_EN
6
R/W
MICBIAS_EN
5:4
R/W
MICBIAS_SEL
3
R/W
MIC_L_MUTE
2:0
R/W
MIC_L_VOL
Company confidential
Description
Reserved
Input standby control.
0 = normal 1 = standby
[6] – ADC R standby
[5] – ADC L standby
[4] – Reserved
[3] – AUX1_R input standby
[2] – AUX1_L input standby
[1] – MIC_R input standby
[0] – MIC_L input standby
Reset
0
0000000
Note: Standby is to reduce the power consumption
and not necessarily to mute the block.
Description
Enable left MIC amplifier
0 = disable
1 = enable (must be set beforeRes SC_MST_EN)
Enable MICBIAS supply
0 = disable
1 = enable
MIC bias voltage selection
00 = 1.5 V
10 = 2.2 V
01 = 1.6 V
11 = 2.3 V
Mute left MIC amplifier
0 = unmute
1 = mute
Gain of left MIC amplifier
000 = -6 dB
001 = 0 dB
010 = +6 dB
011 = +12 dB
100 = +18 dB
101/110/111 = +24 dB
Reset
0
0
00
0
000
Datasheet
CFR0011-120-00 Rev 5
Revision 3e
70 of 105
15-Oct-2015
© 2015 Dialog Semiconductor