MC33662LEF Datasheet, PDF (18/31 Pages) Freescale Semiconductor, Inc – LIN 2.1 / SAEJ2602-2, LIN Physical Layer

ELECTRICAL CHARACTERISTICS
FUNCTIONAL DIAGRAMS
EN pin
EN internal signal
t_LWUE
t_LWUE
EN pin
EN internal signal
t < t_LWUE
EN pin
5V
t < t_LWUE
EN internal signal
5V
Figure 21. EN Pin Deglitcher
EN
TXD
LIN
RXD
EN
TXD
LIN
RXD
t₁ (45 s)
t₂ (12.5 s)
Fast Baud Rate entrance
t₃ (12.5 s)
t₄ (12.5 s)
Fast Baud Rate validation
t₅
Figure 22. Fast Baud Rate Selection (Toggle Function)
t₁ (45 s)
t₂ (12.5 s)
Exit Fast Baud Rate
t₃ (12.5 s)
t₄ (12.5 s)
RXD stays High for Normal or Slow mode validation
Figure 23. Fast Baud Rate Mode Exit (back to Normal or Slow slew rate)
33662
18
Analog Integrated Circuit Device Data
Freescale Semiconductor