BU26156RFS Datasheet, PDF (79/95 Pages) Rohm – Monoraul MIC Input with ALC

BU26156RFS
Headphone Output Gain Setting Register
MAPCON
INDEX
b07
b06
b05
b04
b03
b02
b01
b00
R
W
(Initial)
0x1
0x36 0x37
-
-
-
-
-
-
HPVOL
-
-
-
-
-
-
0
0
This register is to set the gain of Headphone Output.
HPVOL[1:0]
This bit is to set the gain of Headphone Output. When beep input is used, please set data to 0x3.
Setting
Description
0x0
-6dB (It is prohibition to use with beep input)
0x1
0dB (It is prohibition to use with beep input)
0x2
3dB (It is prohibition to use with beep input)
0x3
6dB
Datasheet
Analog Path Control Register
MAPCON
INDEX
b07
b06
R
W
(Initial)
0x1
0x3e 0x3f
-
-
-
-
b05
b04
b03
b02
b01
b00
HALF HPBPEN LINDACEN
ADCSET
1
0
0
1
1
1
This register adjusts ADC characteristics, and set signal path of analog section.
ADCSET
This register adjust ADC characteristics. Use by 0x7
ADCSET
Description
0x7
Use by 0x7
LINDACEN
Set signal path about from DAC to LINMIX amplifier.
*Please set to “0” with recording monitor mode (0x13=0x07)
LINDACEN
Description
0
Don’t connect DAC output to LINMIX amplifier.
1
Connect DAC output to LINMIX amplifier.
HPBPEN
Set signal path about from BEEPIN amplifier to Head phone amplifier.
HPBPIN
Description
0
Don’t connect BEEPIN amplifier output to Head phone amplifier.
1
Connect BEEPIN amplifier output to Head phone amplifier.
HALF
Set the gain of MIC amplifier on input block.
HALF
0
0dB
1
-6dB
Description
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TSZ22111・15・001
79/92
TSZ02201-0V1V0E502570-1-2
Jul.1.2014 Rev.001