Rohde & Schwarz RTB2000 Series - Page 414

Fernsteuerbefehle
R&S
®
RTB2000
414Bedienhandbuch 1333.1611.03 ─ 05
Parameter:
<MosiPolarity> ACTLow | ACTHigh
*RST: ACTH
BUS<b>:SPI:MISO:POLarity <MisoPolarity>
Selects whether transmitted data is high active (high = 1) or low active (low = 1) on the
MISO line.
Suffix:
<b>
.
1, bus 2 is not available if the MISO source is used.
Parameter:
<MisoPolarity> ACTLow | ACTHigh
*RST: ACTH
BUS<b>:SPI:BORDer
<BitOrder>
Defines if the data of the messages starts with MSB (most significant bit) or LSB (least
significant bit).
Suffix:
<b>
.
1 | 2
Parameter:
<BitOrder> MSBFirst | LSBFirst
*RST: MSBFirst
BUS<b>:SPI:SSIZe <SymbolSize>
Sets the word length, the number of bits in a message.
Suffix:
<b>
.
1 | 2
Parameter:
<SymbolSize> Bereich: 4 bis 32
Inkrement: 1
*RST: 8
Std.-einheit: Bit
15.11.2.2 SPI (no CS) - Konfiguration
Start the bus configuration with the threshold setting. Use one of the following com-
mands:
●
CHANnel<m>:THReshold:FINDlevel auf Seite 282
●
CHANnel<m>:THReshold auf Seite 282
In allen BUS<b>:SSPI...-Befehlen gibt das Suffix <b> den Bus an.
Analyse serieller Busse