FlexRay Communication Controller (FLEXRAY)
MPC5510 Microcontroller Family Reference Manual, Rev. 1
30-2
Freescale Semiconductor
Preliminary
30.1.3
Color Coding
Throughout this chapter types of items are highlighted through the use of an italicized color font.
FlexRay protocol parameters, constants and variables are highlighted with
blue italics
. An example is the
parameter
gdActionPointOffset
.
FlexRay protocol states are highlighted in
green italics
. An example is the state
POC:normal active
.
30.1.4
Overview
The FlexRay block is a FlexRay communication controller that implements the
System Protocol Specification, Version 2.1 Rev A.
The FlexRay block has three main components:
•
Controller host interface (CHI)
•
Protocol engine (PE)
•
Clock domain crossing unit (CDC)
A block diagram of the FlexRay block with its surrounding modules is given in
.
PE
Protocol Engine
POC
Protocol Operation Control. Each state of the POC is denoted by
POC:state
Rx
Reception
SEQ
Sequencer Engine
TCU
Time Control Unit
Tx
Transmission
Table 30-1. List of Terms (Sheet 2 of 2)
Term
Definition