AS8221
Data Sheet - App endix
9 Appendix
9.1 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”
9.2 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
FlexRay
AS8221 Datasheet
Electrical Physical Layer Specification V2.1 Rev. B
Symbol
Parameter
Name
Description
Absolute Maximum Ratings
-
-
-
Battery Supply Voltage (VBAT)
Supply Voltage (VCC)
-
-
-
-
-
-
Supply Voltage (VIO)
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,
ESD protection on pins that lead to ECU
external terminals
-
uESDExt
VBAT, WAKE
-
-
-
Electrostatic discharge
Transient voltage on BP, BM
Transient voltage on VBAT
uESDint
ESD on all other pins
-
-
-
-
Total power dissipation (all supplies and
outputs)
-
-
-
-
Storage temperature
Junction temperature
-
-
-
-
-
-
-
-
-
-
-
Package body temperature
Humidity non-condensing
Supply Voltage
TAMB
Ambient temperature
Difference of supplies
T
-
Ambient temperature
-
VCC - VIO
IBAT
ICC
VBAT current consumption
VCC current consumption
-
-
-
-
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