mc33662 Freescale Semiconductor, Inc, mc33662 Datasheet - Page 20

• Manufacturer Part Number: mc33662
• Description: Lin 2.1 / Saej2602-2, Lin Physical Layer
• Manufacturer: Freescale Semiconductor, Inc

ELECTRICAL CHARACTERISTICS
FUNCTIONAL DIAGRAMS
20
33662
LIN
EN
RXD
TXD
LIN
RXD
EN
TXD
EN internal signal
EN internal signal
EN internal signal
Figure 23. Fast Baud Rate Mode Exit (back to Normal or Slow slew rate)
EN pin
EN pin
EN pin
Figure 22. Fast Baud Rate Selection (Toggle Function)
t
3
(12.5 μs)
t
3
(12.5 μs)
t
2
(12.5 μs)
t
Figure 21. EN Pin Deglitcher
1
t
2
(45 μs)
(12.5 μs)
t
1
(45 μs)
t
4
(12.5 μs)
t
4
(12.5 μs)
t
LWUE
t < t
t < t
LWU
LWU
E
E
t
Exit Fast Baud Rate
5
Fast Baud Rate entrance
RXD stays High for Normal or Slow mode validation
Fast Baud Rate validation
t
LWUE
Analog Integrated Circuit Device Data
Freescale Semiconductor
5V
5V