Rohde & Schwarz RTA4000 - Page 611

Remote control commands
R&S
®
RTA4000
611User Manual 1335.7898.02 ─ 08
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..4
Parameters:
<Polarity> POSitive | NEGative
POSitive: rising slope
NEGative: falling slope
*RST: POSitive
BUS<b>:SSPI:DATA:SOURce
<Source>
BUS<b>:SSPI:MOSI:SOURce <MosiSource>
Selects the input channel of the MOSI / MISO line.
Suffix:
<b>
.
1..4
Parameters:
<MosiSource> CH1 | CH2 | CH3 | CH4 | D0..D15
*RST: CH1
BUS<b>:SSPI:MISO:SOURce <MisoSource>
Selects the input channel of the optional MISO line.
Suffix:
<b>
.
1 | 3. Bus 2 or 4 is not available if the MISO source is used on
bus 1 or 3, respectively.
Parameters:
<MisoSource> CH1 | CH2 | CH3 | CH4 | NONE | D0..D15
*RST: NONE
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..4
Parameters:
<Polarity> POSitive | NEGative
POSitive = high active
NEGative = low active
*RST: POSitive
Serial bus analysis