EVAL-AD1837EB View Datasheet(PDF) - Analog Devices
Part Name
Description
MFG CO.
'EVAL-AD1837EB' PDF : 24 Pages View PDF
AD1837
Table VI. DAC Volume Control
Address
Function
R/W RES DAC Volume
15, 14, 13, 12 11
0010 = DACL1 0
0011 = DACR1
0100 = DACL2
0101 = DACR2
0110 = DACL3
0111 = DACR3
1000 = DACL4
1001 = DACR4
10 9, 8, 7, 6, 5, 4, 3, 2, 1, 0
0
0000000000 = 1/1024
0000000001 = 2/1024
0000000010 = 3/1024
1111111110 = 1022/1024
1111111111 = 1023/1024
Table VII. ADC Peak
Address
Function
R/W RES Six Data Bits
Four Fixed
Bits
15, 14, 13, 12 11 10 9, 8, 7, 6, 5, 4
3, 2, 1, 0
0010 = Left ADC 1 0 000000 = 0.0 dBFS 0000
1011 = Right ADC
000001 = –1.0 dBFS
000010 = –2.0 dBFS These four
bits are
always zero.
111111 = –63.0 dBFS
Address
15, 14, 13, 12
1100
R/W
11
0
RES
10
0
Table VIII. ADC Control 1
Dither
9
0 = Disabled
1 = Enabled
Filter
8
0 = All Pass
1 = High-Pass
Function
ADC
Power-Down
7
0 = Normal
1 = Power-Down
Sample
Rate
6
0 = 48 kHz
1 = 96 kHz
Reserved
5, 4, 3, 2, 1, 0
0, 0, 0, 0, 0, 0
0, 0, 0, 0, 0, 0
Address
R/W
RES
15, 14, 13, 12 11
1101
0
RES
10
0
Table IX. ADC Control 2
Master/Slave
Aux Mode
9
0 = Slave
1 = Master
ADC
Data Format
8, 7, 6
000 = I2S
001 = RJ
010 = DSP
011 = LJ
100 = Packed 256
101 = Reserved
110 = Auxiliary 256
111 = Reserved
Function
ADC Data-
Word Width
5, 4
00 = 24 Bits
01 = 20 Bits
10 = 16 Bits
11 = Reserved
ADC Mute
Reserved Right
Left
3, 2
1
0
0, 0
0 = On
0 = On
1 = Mute 1 = Mute
Table X. ADC Control 3
Address
Function
R/W
IMCLK
ADC
DAC
RES RES Reserved Clocking Scaling Peak Readback
Test Mode
ADC
Test Mode
15, 14, 13, 12 11 10 9
8, 7, 6
5
4, 3, 2
1, 0
1110
0 0 0, 0
00 = MCLK ¥ 2
01 = MCLK
10 = MCLK ¥ 2/3
11 = MCLK ¥ 2
0 = Disabled Peak Readback
1 = Enabled Peak Readback
000 = Normal Mode 00 = Normal Mode
All others reserved All others reserved
–20–
REV. B
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