Rohde & Schwarz RTB2000 Series - Page 417

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RTB2000
417Bedienhandbuch 1333.1611.03 ─ 05
BUS<b>:SSPI:BITime <BurstIdleTime>
Within the idle time the data and clock lines are low. A new frame begins when the idle
time has expired and the clock line has been inactive during that time. If the time inter-
val between the data words is shorter than the idle time, the words are part of the
same frame.
Suffix:
<b>
.
1 | 2
Parameter:
<BurstIdleTime> Bereich: 16e-9 bis 838.832e-6
Inkrement: 16e-9
*RST: 100e-6
Std.-einheit: s
BUS<b>:SSPI:BORDer <BitOrder>
Defines if the data of the messages starts with MSB (most significant bit) or LSB (least
significant bit).
Suffix:
<b>
.
1 | 2
Parameter:
<BitOrder> MSBFirst | LSBFirst
*RST: MSBFirst
BUS<b>:SSPI:SSIZe <SymbolSize>
Sets the word length, the number of bits in a message.
Suffix:
<b>
.
1 | 2
Parameter:
<SymbolSize> Bereich: 4 bis 32
Inkrement: 1
*RST: 8
Std.-einheit: Bit
15.11.2.3 SPI-Trigger
To configure the protocol trigger, make sure to set first:
●
TRIGger:A:TYPE to BUS
●
TRIGger:A:SOURce to SBUS1 | SBUS2
Analyse serieller Busse