MC33199D 데이터 시트보기 (PDF) - Motorola => Freescale

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MC33199D

Automotive ISO 9141 Serial Link Driver

Motorola => Freescale 

MCU

MC33199

Figure 5. Logic diagram and application schematic

+Vbat

Vcc : 5V

VS

REF-OUT

LO

REF-IN-L

REF-IN-K

RXD

TXD

Reference

Generator

+

C2

-

Protection

Vcc

-

C1+

Driver

I1

source

Thermal

Shutdown

Current

Limit

L

I1

DIA

GND

CAR ELECTRONIC CONTROL UNIT

L Line

RPU

K Line

TxD

RxD

SERVICE TESTER

or

End of Line

manufacturer

programmation or

checking system

Figure 6. : Typical application with several ECUs

+Vbat

MCU

MC33199

E.C.U # 1

RPU

L Line

K Line

SERVICE TESTER

or

End of Line

manufacturer

programmation or

checking system

MCU

MC33199

E.C.U # 2

CAR

CAR ISO DIAGNOSTIC CONNECTOR

Other ECUs

Fig 6 : Typical application with several ECUs

MC33199

MOTOROLA

6

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