
REV. B
AD1837
–19–
Table III. Control Register Map
Register
Address
Register
Name
Reset
Setting (Hex)
Description
Type
Width
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
DACCTRL1
DACCTRL2
DACVOL1
DACVOL2
DACVOL3
DACVOL4
DACVOL5
DACVOL6
DACVOL7
DACVOL8
ADCPeak0
ADCPeak1
ADCCTRL1
ADCCTRL2
ADCCTRL3
Reserved
DAC Control 1
DAC Control 2
DAC Volume–Left 1
DAC Volume–Right 1
DAC Volume–Left 2
DAC Volume–Right 2
DAC Volume–Left 3
DAC Volume–Right 3
DAC Volume–Left 4
DAC Volume–Right 4
ADC Left Peak
ADC Right Peak
ADC Control 1
ADC Control 2
ADC Control 3
Reserved
R/
W
R/
W
R/
W
R/
W
R/
W
R/
W
R/
W
R/
W
R/
W
R/
W
R
R
R/
W
R/
W
R/
W
R/
W
10
10
10
10
10
10
10
10
10
10
6
6
10
10
10
10
000
000
3FF
3FF
3FF
3FF
3FF
3FF
3FF
3FF
000
000
000
000
000
Reserved
Table IV. DAC Control 1
Function
DAC Data-
Word Width
DAC Data
Format
Power-Down
Reset
Address
R/
W
RES De-emphasis
Sample Rate
15, 14, 13, 12 11
10
9, 8
7, 6, 5
000 = I
2
S
001 = RJ
010 = DSP
011 = LJ
100 = Pack Mode 256
101 = Reserved
110 = Reserved
111 = Reserved
4, 3
2
1, 0
0000
0
0
00 = None
01 = 44.1 kHz
10 = 32.0 kHz
11 = 48.0 kHz
00 = 24 Bits
01 = 20 Bits
10 = 16 Bits
11 = Reserved
0 = Normal
1 = Power-Down
00 = 48 kHz
01 = 96 kHz
10 = 192 kHz
11 = 48 kHz
Table V. DAC Control 2
Function
Stereo
MUTE DAC
OUTL3
Address R/
W
RES Reserved Replicate
OUTR4
OUTL4
OUTR3
OUTR2
OUTL2
OUTR1
OUTL1
15, 14,
13, 12
11
10
9
8
7
6
5
4
3
2
1
0
0001
0
0
0
0 = Off
1 = Replicate 1 = Mute 1 = Mute 1 = Mute 1 = Mute 1 = Mute 1 = Mute 1 = Mute 1 = Mute
0 = On
0 = On
0 = On
0 = On
0 = On
0 = On
0 = On
0 = On