AMIS-42665 Datasheet, PDF (9/11 Pages) AMI SEMICONDUCTOR – High-Speed Low Power CAN Transceiver

TxD
CANH
CANL
V_i(dif) = V_CANH − V_CANL
RxD
0.9 V
AMIS−42665
0.5 V
HIGH
LOW
Dominant
Recessive
T_{d(TxD−BUSon)}
T_{pd(rec−dom)}
0.3 x VCC
0.7 x VCC
T_{d(TxD−BUSoff)}
T_{pd(dom−rec)}
T_{d(BUSoff−RxD)}
Figure 8. Timing Diagram for AC Characteristics
STB
t_{d(stb−nm)}
Mode
Standby
Normal
Transition delay
time
Figure 9. Transition from Standby to Normal
PC20040829.6
TxD
CANH
CANL
t_{d(stb−nm)}
Time−Out(*)
*The time−out is reset on TxD rising edge.
time
Figure 10. AMIS−42665 TxD Time−Out Bus Blockage Prevention in Case of Controller Failure
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