PCA89C250

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© NXP B.V. 2011. All rights reserved.

Product data sheet

Rev. 06 — 25 August 2011

9 of 18

NXP Semiconductors

PCA82C250

CAN controller interface

12. Application information

Fig 9.

Application of the CAN transceiver.

Fig 10. Application with galvanic isolation.

mka677

P8xC592/P8xCE598

CAN-CONTROLLER

PCA82C250T

CAN-TRANSCEIVER

CTX0

CRX0

CRX1

PX,Y

TXD

RXD

Vref

CANL

CAN BUS

LINE

CANH

Rs

Rext

+5 V

100 nF

124

Ω

124

Ω

VCC

GND

VDD

VSS

Rext

+5 V

+5 V

+5 V

0 V

100 nF

100 nF

390

Ω

390

Ω

390

Ω

6.8 k

Ω

3.6 k

Ω

390

Ω

6N137

6N137

mka678

PCA82C250

CAN-TRANSCEIVER

TXD

RXD

Vref

CANL

CAN BUS LINE

CANH

Rs

+5 V

100 nF

124

Ω

124

Ω

VCC

GND

SJA1000

CAN-CONTROLLER

TX0

TX1

RX0

RX1