33661 Datasheet, PDF (11/21 Pages) Freescale Semiconductor, Inc – Local Area Network (LIN) Enhanced Physical Interface with Selectable Slew Rate

ELECTRICAL CHARACTERISTICS
FUNCTIONAL DIAGRAMS
Wake-Up Frame
LIN 0.4 V_SUP
t _WUF
INH
EN
TXD
RXD (High Z)
t_{D_MS} t_{D_COM}
Figure 12. LIN Bus Wake-Up and
Slow Baud Rate Selection (1.0 kbps to 10 kbps)
EN
EN = HIGH and TXD = HIGH
TXD
EN = LOW and TXD = HIGH
t₁ (35 µs)
Toggle
EN
t₂ (5.0 µs)
Reset to Previous Baud Rate
Figure 13. Fast Baud Rate Selection (Toggle Function)
EN
TXD
Device in Communication Mode
Preparation to Sleep Mode
t _SD
Figure 14a
Sleep Mode
EN
INH Normal or Slow Mode
Preparation to Sleep Mode
t _{SD_INH}
Figure 14b
Figure 14. Sleep Mode Enter
Sleep Mode
Analog Integrated Circuit Device Data
Freescale Semiconductor
33661
11