Table of Contents
Conformance Test Specification
OSI Layer 1 – Physical Layer
Version 2.1
th
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Table of contents
LIN OSI LAYER 1 – PHYSICAL LAYER 1
1
TEST SPECIFICATION OVERVIEW 3
1.1
Test Case Organisation......................................................................................................... 3
1.2
Symbols and Abbreviated Terms .......................................................................................... 4
1.3
Measurement and Signal Generation – Requirements ......................................................... 4
2
OPERATIONAL CONDITIONS – CALIBRATION 5
2.1
Operating Voltage Range ...................................................................................................... 6
2.2
Threshold Voltages................................................................................................................ 7
2.2.1 IUT as Receiver: V
SUP
@ V
BUS_DOM
(down)......................................................................................................... 7
2.2.2 IUT as Receiver: V
SUP
@V
BUS_ REC
(up) .............................................................................................................. 8
2.2.3 IUT as Receiver: V
SUP
@V
BUS
............................................................................................................................. 9
2.3
Variation of V
SUP_NON_OP
∈ [- 0.3V ... 7.0V], [18V … 40V].................................................... 10
2.4
I
BUS
Under Several Conditions............................................................................................. 11
2.4.1 I
BUS_LIM
@ Dominant State ( Driver On )............................................................................................................ 11
2.4.2 I
BUS_PAS_dom
: IUT in Recessive State : V
BUS
= 0V............................................................................................... 12
2.4.3 I
BUS_PAS_rec
: IUT in Recessive State : V
SUP
= 7.0V with Variation of V
BUS
∈ [8.0V .. 18V].................................... 13
2.5
Slope Control....................................................................................................................... 14
2.5.1 Measuring the Duty Cycle @ 10.4 kBit/sec – IUT as Transmitter ..................................................................... 14
2.5.2 Measuring the Duty Cycle @ 20.0 kBit/sec – IUT as Transmitter ..................................................................... 16
2.6
Propagation Delay ............................................................................................................... 18
2.6.1 Propagation Delay of the Receiver................................................................................................................... 18
2.7
GND / V
BAT
Shift Test – Dynamic ........................................................................................ 19
2.7.1 GND Shift Test – Dynamic – IUT as Transceiver ............................................................................................. 20
2.7.2 GND Shift Test – Dynamic – IUT as Transceiver ............................................................................................. 20
2.7.3 V
BAT
Shift Test – Dynamic – IUT as Transceiver............................................................................................... 21
2.7.4 V
BAT
Shift Test – Dynamic – IUT as Transceiver............................................................................................... 21
2.8
Failure.................................................................................................................................. 22
2.8.1 Loss of Battery................................................................................................................................................. 22
2.8.2 Loss of GND.................................................................................................................................................... 23
3
STATIC TEST CASES 24
4
REFERENCES 27
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