SC3 datasheet(12/36 Pages) TEKTRONIX

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Serial Protocol Triggering and Analysis

(optional)

On a serial bus, a single signal often includes address, control, data, and

clock information. This can make isolating events of interest difficult.

Automatic trigger, decode, and search on bus events and conditions gives

you a robust set of tools for debugging serial buses. The optional serial

protocol triggering and analysis functionality is offered free for a 30-day trial

period. This free trial period starts automatically when the instrument is

powered on for the first time.

Triggering on a specific address and data packet going across an I2C bus. The yellow

waveform is clock and the blue waveform is the data. A bus waveform provides decoded

packet content including Start, Address, Read/Write, Data, and Stop.

Serial triggering

Trigger on packet content such as start of packet, specific addresses,

specific data content, unique identifiers, etc. on popular serial interfaces

such as I2C, SPI, RS-232/422/485/UART, USB2.0, CAN, CAN FD, LIN,

FlexRay, MIL-STD-1553, ARINC429, and I2S/LJ/RJ/TDM.

Bus display

Provides a higher-level, combined view of the individual signals (clock,

data, chip enable, etc.) that make up your bus, making it easy to identify

where packets begin and end and identifying sub-packet components such

as address, data, identifier, CRC, etc.

Bus decoding

Tired of having to visually inspect the waveform to count clocks, determine

if each bit is a 1 or a 0, combine bits into bytes, and determine the hex

value? Let the oscilloscope do it for you! Once you’ve set up a bus, the

3 Series MDO will decode each packet on the bus, and display the value in

hex, binary, decimal (USB, CAN, CAN FD, LIN, FlexRay, MIL-STD-1553,

and ARINC429 only), signed decimal (I2S/LJ/RJ/TDM only), or ASCII (USB,

MIL-STD-1553 and RS-232/422/485/UART only) in the bus waveform.

Serial bus technologies supported by the 3 Series MDO

Technology

Trigger, Decode,

Order product

Embedded

I2C

Yes

3-SREMBD

SPI

Yes

3-SREMBD

Computer

RS232/422/485,

UART

Yes

3-SRCOMP

USB

USB LS, FS, HS

Yes (trigger on LS

and FS only; HS

decode only on

1 GHz models)

3-SRUSB2

Automotive

CAN, CAN FD

Yes

3-SRAUTO

LIN

Yes

3-SRAUTO

FlexRay

Yes

3-SRAUTO

Military and

Aerospace

MIL-STD-1553,

ARINC429

Yes

3-SRAERO

Audio

I2S

Yes

3-SRAUDIO

LJ, RJ

Yes

3-SRAUDIO

TDM

Yes

3-SRAUDIO

Event table

In addition to seeing decoded packet data on the bus waveform itself, you

can view all captured packets in a tabular view much like you would see in

a software listing. Packets are time stamped and listed consecutively with

columns for each component (Address, Data, etc.). You can save the event

table data in .CSV format.

Event table showing decoded identifier, DLC, DATA, and CRC for every CAN packet in a

long acquisition.

Datasheet

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