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Remote Control Commands
R&S
®
RTB2000
373User Manual 1333.1611.02 ─ 03
Suffix:
<b>
.
1 | 2
Parameters:
<Position> Range: 5 to -5
Increment: 0.02
*RST: -3.5
Default unit: DIV
BUS<b>:RESult <ShowResultTable>
Displays or hides the table of decode results.
Suffix:
<b>
.
1 | 2
Parameters:
<ShowResultTable> ON | OFF
15.11.2 SPI and SSPI (Option R&S RTB-K1)
The Serial Peripheral Interface (SPI) is used for communication with slow peripheral
devices, in particular, for transmission of data streams.
SSPI is a Simplified SPI configuration without chip select line.
A 4-channel instrument is required for full support of the SPI and SSPI protocols.
The SPI/SSPI protocol requires two bus lines (bus 1 and 2 or bus 3 and 4), so the
number of buses (suffix <b>) is reduced. Bus 2 and/or bus 4 is not available.
●
SPI - Configuration................................................................................................373
●
SSPI - Configuration............................................................................................. 376
●
SPI and SSPI - Trigger..........................................................................................378
●
SPI and SSPI - Decode Results............................................................................380
15.11.2.1 SPI - Configuration
Start the bus configuration with the threshold setting. Use one of the following com-
mands:
●
CHANnel<m>:THReshold:FINDlevel on page 256
●
CHANnel<m>:THReshold on page 256
In all BUS<b>:SPI... commands, the suffix <b> selects the bus.
BUS<b>:SPI:CS:SOURce...............................................................................................374
BUS<b>:SPI:CS:POLarity...............................................................................................374
BUS<b>:SPI:CLOCk:SOURce.........................................................................................374
BUS<b>:SPI:CLOCk:POLarity.........................................................................................374
BUS<b>:SPI:MOSI:SOURce...........................................................................................375
BUS<b>:SPI:MISO:SOURce...........................................................................................375
BUS<b>:SPI:DATA:SOURce...........................................................................................375
Serial Bus Analysis
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