AS8221

Datasheet - Appendi x

www.austriamicrosystems.com/flexray/AS8221

Revision 1.7

32 - 42

10 Appendix

10.1 FlexRay Functional Classes

The AS8221 FlexRay Standard Transceiver has the following Bus Driver functional classes according the FlexRay Electrical Physical Layer

Specification V2.1 Rev. B implemented:



Functional Class: Chapter 8.13.1 “Bus Driver voltage regulator control”



Functional Class: Chapter 8.13.2 “Bus Driver - Bus Guardian interface”



Functional Class: Chapter 8.13.4 “Bus Driver logic level adaptation”

10.2 FlexRay Parameter Comparison

The following table shows the comparison of conventions used in AS8221 datasheet and FlexRay Electrical Physical Layer Specification V2.1

Rev. B.

Table 12. Comparison Table

AS8221 Datasheet

FlexRay

Electrical Physical Layer Specification V2.1 Rev. B

Symbol

Parameter

Name

Description

Absolute Maximum Ratings

-

-

-

-

-

-

-

DC Voltage at EN, STBN, ERRN, TxD, RxD,

TxEN, BGE, RxEN

--

-

DC Voltage on pin WAKE, INH1, INH2

-

-

-

DC Voltage at BP and BM

-

-

-

Input current (latchup immunity)

-

-

-

Electrostatic discharge at bus lines BP, BM,

uESDExt

ESD protection on pins that lead to ECU

external terminals

-

Electrostatic discharge

uESDint

ESD on all other pins

-

Transient voltage on BP, BM

-

-

-

--

-

Total power dissipation (all supplies and

outputs)

--

-

Storage temperature

-

-

-

Junction temperature

-

-

-

Package body temperature

-

-

-

Humidity non-condensing

-

-

Supply Voltage

Ambient temperature

T

Ambient temperature

Difference of supplies

-

-

--

--