Remote Control Commands
R&S
®
RTB2000
376User Manual 1333.1611.02 ─ 04
BUS<b>:SSPI:CLOCk:POLarity <Polarity>
Selects if data is stored with the rising or falling slope of the clock. The slope marks the
begin of a new bit.
Suffix:
<b>
.
1 | 2
Parameters:
<Polarity> POSitive | NEGative
POSitive: rising slope
NEGative: falling slope
*RST: POSitive
BUS<b>:SSPI:DATA:SOURce
<Source>
Selects the input channel of the data line.
Suffix:
<b>
.
1 | 2
Parameters:
<Source> CH1 | CH2 | CH3 | CH4 | D0..D15
CH3 and CH4 are only available with 4-channel instrument.
*RST: CH1
BUS<b>:SSPI:DATA:POLarity <Polarity>
Selects whether transmitted data is high active (high = 1) or low active (low = 1) on the
data line.
Suffix:
<b>
.
1 | 2
Parameters:
<Polarity> POSitive | NEGative
POSitive = high active
NEGative = low active
*RST: POSitive
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
Serial Bus Analysis
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