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Remote control commands
R&S
®
RTM3000
607
User Manual 1335.9090.02 ─ 09
A 4-channel instrument is required for full support of the SPI (with CS) and SPI (no CS)
protocols.
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17.11.2.1
SPI (with CS)- configuration
Start the bus configuration with the threshold setting. Use one of the following com-
mands:
●
CHANnel<m>:THReshold:FINDlevel
●
In all
BUS<b>:SPI...
commands, the suffix <b> selects the bus.
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BUS<b>:SPI:CS:SOURce
<Source>
Selects the input channel of the chip select line.
Suffix:
<b>
.
1..4
Parameters:
<Source>
CH1 | CH2 | CH3 | CH4 | D0..D15
*RST:
CH1
BUS<b>:SPI:CS:POLarity
<Polarity>
Selects whether the chip select signal is high active (high = 1) or low active (low = 1).
Suffix:
<b>
.
1..4
Serial bus analysis