AD1837 Analog Devices, AD1837 Datasheet - Page 19

• Manufacturer Part Number: AD1837
• Description: 2 ADC, 8DAC 96 Khz, 24-Bit Sigma Delta Codec
• Manufacturer: Analog Devices

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