AN1278 Datasheet, PDF (10/44 Pages) STMicroelectronics – Many mechanical components in the automotive sector have been replaced

LIN (LOCAL INTERCONNECT NETWORK) SOLUTIONS
s Integrated pull up resistors for TX, RX and LO
s EMI robustness optimized
2.2.2 L9638 LIN Transceiver
The L9638 LIN transceiver is a monolithic integrated circuit fulfilling the LIN specification.
Its features are listed below.
s Wake up capability by:
- LIN bus
- External signal (edge triggered)
s System wake up functions:
- Inhibit output
- RxD output
s Quiescent current less than 25µA
s Fail safe functions implemented
s Pin compatible to L9637
Figure 6. L9638 block diagram
V_S
Int.5V
Internal
Voltage
Regulator
R_XD
Glitch
Filter
LIN
T_XD
EN
WUP
Glitch
Filter
Control
Logic
Protection
INH
GND
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