MDO3000 Programmer Manual.pdf - 第196页
Commands Listed in A lphabetical Order BUS:B<x>:AUD io:FRAMESync:SOUrce Specifies the frame sync source waveform for the AU DIO bus. Conditions This command requires the DPO4AUDIO application module for the MDO4000/…

Commands Listed in Alphabetical Order
Conditions
This command re
quires the DPO4AUDIO application module for the
MDO4000/B/C series, or the MDO3AUDIO for MDO3000 series.
Group
Bus
Syntax
BUS:B<x>:AUDio:FRAME:SIZe <NR1>
BUS:B<x>:AUDio:FRAME:SIZe?
Arguments
<NR1> specifies the number of channels in each frame.
Examples
BUS:B1:AUDIO:FRAME:SIZE 2 sets the frame size to 2.
BUS:B1:AUDIO:FRAME:SIZE? might return :BUS:B1:AUDIO:FRAME:SIZE 8
indicating that the number of channels in each frame is set to 8.
BUS:B<x
>:AUDio:FRAMESync:POLarity
Specifies the frame sync polarity for the AUDIO bus - falling or rising edge.
Conditions
This command requires the DPO4AUDIO application module for the
MDO4000/B/C series, or the MDO3AUDIO for MDO3000 series.
Group
Bus
Syntax
BUS:B<x>:AUDio:FRAMESync:POLarity {FALL|RISe}
BUS:B<x>:AUDio:FRAMESync:POLarity?
Arguments
FALL
specifies the falling edge as the frame sync polarity.
RISe specifies the rising edge as the frame sync polarity.
Examples
BUS:B1:AUDIO:FRAMESYNC:POLARITY FALL sets the falling edge for frame
sync polarity.
BUS:B1:AUDIO:FRAMESYNC:POLARITY? might return
:BUS:B1:AUDIO:FRAMESYNC:POLARITY RISe indicating that the
polarity is set to Rise.
MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual 2-165

Commands Listed in Alphabetical Order
BUS:B<x>:AUD
io:FRAMESync:SOUrce
Specifies the frame sync source waveform for the AUDIO bus.
Conditions
This command requires the DPO4AUDIO application module for the
MDO4000/B/C series, or the MDO3AUDIO for MDO3000 series.
Group
Bus
Syntax
BUS:B<x>:AUDio:FRAMESync:SOUrce {CH1|CH2|CH3|CH4|
D0|D1|D2|D3|D4|D5|D6|D7|D8|D9|D10|D11|D12|D13|D14|D15}
BUS:B<x>:AUDio:FRAMESync:SOUrce?
Arguments
CH1–CH4 specifies an analog channel as the frame sync source waveform.
D0-D15 specifies a digital channel as the frame sync source waveform. (MSO
/MDO4000/B models only as well as MDO3000 and MDO400C models with
option MDO3MSO or MDO4MSO installed.)
Examples
BUS:B1:AUDIO:FRAMESYNC:SOURCE CH1 sets CH1 as the frame sync source.
BUS:B1:AUDIO:FRAMESYNC:SOURCE? might return
:BUS:B1:AUDIO:FRAMESYNC:SOURCE CH2 indicating that the source is set to
Ch2.
BUS:B<x>:AUDio:TYPe
Specifies the audio format (type) for the AUDIO bus.
Conditions
This command requires the DPO4AUDIO application module for the
MDO4000/B/C series, or the MDO3AUDIO for MDO3000 series.
Group
Bus
Syntax
BUS:B<x>:AUDio:TYPe {I2S|LJ|RJ|TDM}
BUS:B<x>:AUDio:TYPe?
Arguments
I2S specifies the I
2
S audio format.
LJ specifies the left-justified audio f
ormat.
2-166 MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual

Commands Listed in Alphabetical Order
RJ specifies the
right justified audio format.
TDM specifies the time-division multiplexing audio format.
Examples
BUS:B1:AUDIO:TYPE RJ sets right-justified as the audio format.
BUS:B1:AUDIO:TYPE? might return :BUS:B1:AUDIO:TYPE I2S indicating
that the audio format is set to I
2
S.
BUS:B<x>:AUDio:WORDSel:POLarity
Specifies the word select polarity for the AUDIO bus.
Conditions
This command requires the DPO4AUDIO application module for the
MDO4000/B/C series, or the MDO3AUDIO for MDO3000 series.
Group
Bus
Syntax
BUS:B<x>:AUDio:WORDSel:POLarity {NORMal|INVERTed}
BUS:B<x>:AUDio:WORDSel:POLarity?
Arguments
NORMal specifies positive WORDSel polarity.
INVERTed specifies negative WORDSel polarity.
Examples
BUS:B1:AUDIO:WORDSEL:POLARITY NORMal sets normal as the word select
polarity.
BUS:B1:AUDIO:WORDSEl:POLARITY? might return
:BUS:B1:AUDIO:WORDSEL:POLARITY NORMAL indicating that the word select
polarity is set to normal.
BUS:B<x>:AUDio:WORDSel:SOUrce
Specifies the word select source waveform for the AUDIO bus.
Conditions
This command requires the DPO4AUDIO application module for the
MDO4000/B/C series, or the MDO3AUDIO for MDO3000 series.
Group
Bus
MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual 2-167