BU26156RFS Datasheet, PDF (75/95 Pages) Rohm – Monoraul MIC Input with ALC

BU26156RFS
Datasheet
Playback ALC Volume Control Register
MAPCON
INDEX
b07
b06
b05
b04
b03
b02
b01
b00
R
W
(Initial)
0x0
0xe4 0xe5
-
PALCVOL
-
0
1
0
0
0
0
0
This register is to set the volume that is used in the PALC. It can be set the volume up to +35.625dB. Also this volume can be
used as a playback path boost volume when the PALC is not used.
PALCVOL[6:0]
PALCVOL becomes a fixed gain at the time of “PALCEN=0”.
PALCVOL becomes a PALC Maximum gain at the time of “PALCEN=1”.
PALCVOL
Gain
(dB)
PALCVOL
Gain
(dB)
PALCVOL
Gain
(dB)
PALCVOL
Gain
(dB)
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x08
0x09
0x0A
0x0B
0x0C
0x0D
0x0E
0x0F
0x10
0x11
0x12
0x13
0x14
0x15
0x16
0x17
0x18
0x19
0x1A
0x1B
0x1C
0x1D
0x1E
0x1F
-12.000
-11.625
-11.250
-10.875
-10.500
-10.125
-9.750
-9.375
-9.000
-8.625
-8.250
-7.875
-7.500
-7.125
-6.750
-6.375
-6.000
-5.625
-5.250
-4.875
-4.500
-4.125
-3.750
-3.375
-3.000
-2.625
-2.250
-1.875
-1.500
-1.125
-0.750
-0.375
0x20
0x21
0x22
0x23
0x24
0x25
0x26
0x27
0x28
0x29
0x2A
0x2B
0x2C
0x2D
0x2E
0x2F
0x30
0x31
0x32
0x33
0x34
0x35
0x36
0x37
0x38
0x39
0x3A
0x3B
0x3C
0x3D
0x3E
0x3F
0.000
0.375
0.750
1.125
1.500
1.875
2.250
2.625
3.000
3.375
3.750
4.125
4.500
4.875
5.250
5.625
6.000
6.375
6.750
7.125
7.500
7.875
8.250
8.625
9.000
9.375
9.750
10.125
10.500
10.875
11.250
11.625
0x40
0x41
0x42
0x43
0x44
0x45
0x46
0x47
0x48
0x49
0x4A
0x4B
0x4C
0x4D
0x4E
0x4F
0x50
0x51
0x52
0x53
0x54
0x55
0x56
0x57
0x58
0x59
0x5A
0x5B
0x5C
0x5D
0x5E
0x5F
12.000
12.375
12.750
13.125
13.500
13.875
14.250
14.625
15.000
15.375
15.750
16.125
16.500
16.875
17.250
17.625
18.000
18.375
18.750
19.125
19.500
19.875
20.250
20.625
21.000
21.375
21.750
22.125
22.500
22.875
23.250
23.625
0x60
0x61
0x62
0x63
0x64
0x65
0x66
0x67
0x68
0x69
0x6A
0x6B
0x6C
0x6D
0x6E
0x6F
0x70
0x71
0x72
0x73
0x74
0x75
0x76
0x77
0x78
0x79
0x7A
0x7B
0x7C
0x7D
0x7E
0x7F
24.000
24.375
24.750
25.125
25.500
25.875
26.250
26.625
27.000
27.375
27.750
28.125
28.500
28.875
29.250
29.625
30.000
30.375
30.750
31.125
31.500
31.875
32.250
32.625
33.000
33.375
33.750
34.125
34.500
34.875
35.250
35.625
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TSZ02201-0V1V0E502570-1-2
Jul.1.2014 Rev.001