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dCS 904 User Manual Manual for Software Version 1.5x and 1.36
dCS Ltd June 2000
Manual part no: DOC135904 iss 2B2
Page 60
135904ma2b2.pdf file available from website
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dCS
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Command name Command
Byte
Number of
Parameters
in
Command
Parameters Parameters
in
Response
ADC
DAC
DDC
MClk
RS_AUTO_SLAVE
15 1 0 = do not automatically slave
1 = automatically slave to a reference
input
0X X
RS_MASTERSLAVE
16 2 First parameter
1 = Master
0 = Slave.
If slave, second parameter:
0 = AES
2 = SDIF
0XXX
RS_ENABLE_DEBUG
19 3 Global Command None XXXX
RS_SEL_FS
32 1 Select Output Fs Echos
message
XXX
RS_FILTER
33 1 Select Filter, 0-3 0 X X X
RS_EMPH
34 1 Select De-emphasis filter to use, 0 =
Auto
1 = 50/15
2 = CCITT
3 = None
0 XXX
RS_OUT_MODE
36 1 0 = Output SDIF wordclock on w/clk
out,
1 = Output AES on w/clk out
0XXX
RS_TRUNC
39 1 No. of output bits ( 16 - 24 ) 0 X X X
RS_SNS
40 1 Noise shaper,
0 = Auto
1 = Off
2 = 1st Order
3 = 3rd order
4 = 9nth order
0XXX
RS_DDC
41 1 0 = Normal mode ( e.g. D in A out for
DAC, A in D out for ADC ),
1 = D in D out
0XXX
RS_OUT_RATE
42 1 0 = Low speed output (e.g. Dual 88.2/
Quad 192
1 = High speed option
0XXX
RS_MUTE
43 1 0 = Unmute
1 = Mute
0 XXXX
RS_AUTO
44 1 1 = Turn off automatic input selection
(DAC )
0X
RS_7SEGS
47 1 1 = Turn off 7-segment display 0 X X X
RS_INP_FORMAT
48 1 Select Input format for DACs –
0 = Auto
1 = Single wire
2 = Dual Wire
4 = Quad
0XX
RS_4WIRE
49 1 0 = Enable 4-wire DSD outputs
1 = Disable 4-wire DSD outputs
0X
RS_FLIP
50 1 0 = Normal
1 = Flip channels
0XX
RS_ACUT
51 1 1 = Disable Auto Digital Muting 0 X
RS_FINE_LOCK_MODE
52 1 1 = Use coarse lock
0 = use fine lock
0X
RS_WAVETYPE
63 1 0 = Signal Generator Off
1 = Signal Generator ON
0 XXXX
RS_AMP
64 1 Generator Amplitude, format X 0 XXXX
RS_FREQ
65 1 Generator Frequency. Specified as a
32 bit number. Expressed as a
fraction of Sample Frequency
0 XXXX