Rohde & Schwarz RTA4000 - Page 610

Remote control commands
R&S
®
RTA4000
610User Manual 1335.7898.02 ─ 08
Parameters:
<BitOrder> MSBFirst | LSBFirst
*RST: MSBFirst
BUS<b>:SPI:SSIZe <SymbolSize>
Sets the word length, the number of bits in a message.
Suffix:
<b>
.
1..4
Parameters:
<SymbolSize> Range: 4 to 32
Increment: 1
*RST: 8
Default unit: Bit
17.11.2.2 SPI (no CS) - configuration
Start the bus configuration with the threshold setting. Use one of the following com-
mands:
●
CHANnel<m>:THReshold:FINDlevel on page 441
●
CHANnel<m>:THReshold on page 440
In all BUS<b>:SSPI... commands, the suffix <b> selects the bus.
BUS<b>:SSPI:CLOCk:SOURce.......................................................................................610
BUS<b>:SSPI:CLOCk:POLarity.......................................................................................611
BUS<b>:SSPI:DATA:SOURce......................................................................................... 611
BUS<b>:SSPI:MOSI:SOURce......................................................................................... 611
BUS<b>:SSPI:MISO:SOURce......................................................................................... 611
BUS<b>:SSPI:DATA:POLarity......................................................................................... 611
BUS<b>:SSPI:MOSI:POLarity.........................................................................................612
BUS<b>:SSPI:MISO:POLarity.........................................................................................612
BUS<b>:SSPI:BITime.....................................................................................................612
BUS<b>:SSPI:BORDer...................................................................................................612
BUS<b>:SSPI:SSIZe......................................................................................................613
BUS<b>:SSPI:CLOCk:SOURce <Source>
Selects the input channel of the clock line.
Suffix:
<b>
.
1..4
Parameters:
<Source> CH1 | CH2 | CH3 | CH4 | D0..D15
CH3 and CH4 are only available with 4-channel R&S RTA4000
oscilloscopes.
*RST: CH1
Serial bus analysis