Rohde & Schwarz RTP044 - SPI Bus (Option R&S RTP-K1); The SPI Protocol

Protocol analysis
R&S
®
RTP
535User Manual 1337.9952.02 ─ 12
Address OR setup: , OR x Address type, Address, R/W bit
The address OR setup consists of the monitor, address type, address and an R/W bit.
The address OR setup settings are the same as in the I2C trigger setup, see Chap-
ter 13.2.3.1, "I²C trigger settings", on page 526.
Remote command:
SEARch:TRIGger:I2C:ADDO<m>:ENABle on page 1575
SEARch:TRIGger:I2C:ADDO<m>:ADRType on page 1575
SEARch:TRIGger:I2C:ADDO<m>[:VALue] on page 1576
SEARch:TRIGger:I2C:ADDO<m>:RWBit on page 1576
No ACK setup: Addr/W/R NACK
The no ACK setup consists of the Addr/W/R NACK.
The no ACK setup settings are the same as in the I2C trigger setup, see "No Ack con-
ditions" on page 529.
Remote command:
SEARch:TRIGger:I2C:DRNack on page 1578
SEARch:TRIGger:I2C:DWNack on page 1579
SEARch:TRIGger:I2C:NACKnowledge on page 1572
13.2.5.2 I²C search results
To get search results, "Enable" the search. You can minimize, shift or close the search
dialog.
The search results are listed in the search result table and marked in the waveform by
blue lines.
For an introduction to search results, see:
●
Chapter 11.1.2, "Search results", on page 449
●
Chapter 11.4.2, "Display zoom settings", on page 468
The remote commands for the search reults are described in Chapter 22.17.3.5, "I²C
search results", on page 1579.
13.3 SPI bus (option R&S RTP-K1)
● The SPI protocol................................................................................................... 535
● SPI configuration...................................................................................................536
● SPI trigger............................................................................................................. 541
● SPI decode results................................................................................................543
● Search on decoded SPI data................................................................................ 544
13.3.1 The SPI protocol
A 4-channel instrument is required for full support of the SPI protocol, or the MSO
option R&S RTP-B1.
SPI bus (option R&S
RTP-K1)