Instructions

Fernsteuerbefehle
R&S
®
Scope Rider RTH
440Bedienhandbuch 1326.1578.03 ─ 10
Parameter:
<ClockEdge> POSitive | NEGative
*RST: POSitive
BUS:SPI:SSEL:POLarity <ChipSelectPolarity>
Selects whether the chip select signal is high active (high = 1) or low active (low = 1).
Parameter:
<ChipSelectPolarity> ACTLow | ACTHigh
*RST: ACTHigh
BUS:SPI:TECHnology <ThresholdType>
Sets the threshold values of all SPI lines as defined for various signal technologies.
Parameter:
<ThresholdType> TTL | ECL | CMOS | USER
TTL
1.4 V
ECL
-1.3 V
CMOS
2.5 V
USER
Set a user-defined value for each line using the
BUS:SPI:<line>:THReshold commands.
*RST: TTL
Verwendung: SCPI-konform
BUS:SPI:SCLK:THReshold <ThresholdValue>
BUS:SPI:SSEL:THReshold <ThresholdValue>
BUS:SPI:MOSI:THReshold <ThresholdValue>
BUS:SPI:MISO:THReshold <ThresholdValue>
Set a user-defined value for the corresponding line if BUS:SPI:TECHnology is set to
USER.
Parameter:
<ThresholdValue> Bereich: -400 bis 400
Inkrement: 1E-3
*RST: 1.4
Std-einheit: V
BUS:SETReflevels
Sets the appropriate threshold or threshold for the selected serial protocol.
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