You want to be confident that you have detected all the errors causing messages not to be transmitted correctly, and as quickly as possible.
You need to decode the message content to the suitable protocol level for analysis, whether this is machine-based or as a manual human task.
In bi-directional buses, you need to identify the direction in which a message is being transported.
The entire portfolio of Rohde & Schwarz oscilloscopes include serial bus trigger and decode software options, from the 50 MHz bandwidth 2-channel R&S®RTC1002 to the 16 MHz bandwidth 4-channel R&S®RTP. The protocols supported by each oscilloscope depend on whether its performance matches the individual protocol parameters such as bandwidth and data rate, and the amount of data to be decoded to make sense of its content and purpose.
The standards supported include; I²C, SPI, UART, RS-232/422/485, 10BASE-T, 100BASE-T, MDIO, 8b10b, USB 1.0 – 3.1, USB-PB, USB-SSIC, PCIe Gen …