Serial Triggering and Analysis Application Modules — AERO • AUDIO • AUTO • AUTOMAX • COMP • EMBD • FLEX

FlexRay Characteristics

Bus Setup Options

Characteristic

Description

Source for

Single-ended

Probing

Analog channels 1-4

Digital channels D0-D15 (MSO models only)

Source for

Differential Probing

Analog channels 1-4

Thresholds

High and Low thresholds per channel

Recommended

Probing

Single Ended or Differential

Decode Configuration

Bit rate

2.5 Mb/s, 5 Mb/s, 10 Mb/s, or Custom (1 Mb/s - 100 Mb/s)

Channel type

AorB

Polarity

BDiff or BP, BM, Tx or Rx

Formats Available

Decimal: ID, Len and Count; Hex: CRCs and Data

Hex

Binary

Display Modes

Bus

Bus only

Bus and

Waveforms

Simultaneous display of bus and digital waveforms

Event Table

Decoded packet data in a tabular view

Bus Decode

Characteristic

Description

Maximum Bit Rate

Up to 10 Mb/s (for automated decoding of bus)

Decode Display

TTS (purple box)

Start (green bracket)

Frame ID (yellow box)

Payload Length (purple box)

Headers (purple box)

-Null

-Normal

-Sync

- Payload

-Startup

- Unknown

-NullSync

- Payload Sync

-NullStartup

- Payload Startup

- CRC

Cycle Count (yellow box)

Data (cyan box)

CRC, DTS, CID (purple box)

Stop (red bracket)

-TSS

- Header CRC

- Trailer CRC

-NullFrame

-SyncFrame

- Startup Frame

-BSS

-FSS

Bus Trigger and Search Options

Characteristic

Description

Trigger and/or

Search On

StartofFrame

Indicator Bits (Normal, Null, Payload, Sync, Startup)

Identifier (trigger when =, ≠,<,>, ≤, ≥, inside range, outside

range)

Cycle Count (trigger when =, ≠,<, >, ≤, ≥, inside range,

outside range)

Header Fields (Indicator Bits, Identifier, Payload Length,

Header CRC, and Cycle Count)

Data (number of bits 1-16; byte offset ‘don’t care’ – 253;

trigger when =, ≠,<,>, ≤, ≥, inside range, outside range)

ID and Data

End of Frame (Static, Dynamic (DTS), All)

Error (Header CRC, Trailer CRC, Null Frame, Sync Frame,

Startup Frame)

FlexRay bus setup, showing input options for FlexRay bus.

PC-based, eye-diagram analysis software built an eye-diagram from the entire acquisition

and plotted it against TP1 mask.