Measurements
R&S
®
RTP
382User Manual 1337.9952.02 ─ 12
8.2.10.1 Overview of protocol measurements
If option R&S RTP-K35 is installed, enhanced measurements on the supported serial
buses are possible. With it, you can measure various dependencies between the
frames.
Additional to option R&S RTP-K35 you need one of the following serial protocol
options:
●
I2C (R&S RTP-K1)
●
SPI (R&S RTP-K1)
●
UART/RS232 (R&S RTP-K2)
●
CAN / CAN-FD (R&S RTP-K3/R&S RTP-K9)
●
LIN (R&S RTP-K3)
●
RFFE (R&S RTP-K40)
●
Ethernet (100BASE-Tx) (R&S RTP-K8)
●
100BASE-T1 (R&S RTP-57)
Table 8-9: Protocol measurements
Meas. type Description / result
Field value Value of a field over time
Frame to frame The distance between two frames
Trigger to frame The distance between a defined frame and the next trigger signal
Gap Measures a gap, period at which the bus is idle. The distance of a gap
can only be measured between two identified frames.
Main bit rate Bit rate as defined by the standard
2nd bit rate Additional bit rate, protocol dependent
For example: "Data rate" for the CAN-FD protocol.
Bus idle Calculates the bus idle time
Frame count Number of all frames within the acquisition window
Frame error count Sum of all frames with errors within the acquisition window
Automatic measurements
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