AT89C51CC02CA-RATUM datasheet(82/159 Pages) ATMEL

82 / 159 page

AT/T89C51CC02

4126L–CAN–01/08

Figure 39. CAN Controller Interrupt Structure

To enable a transmission interrupt:

•

Enable General CAN IT in the interrupt system register

•

Enable interrupt by message object, EICHi

•

Enable transmission interrupt, ENTX

To enable a reception interrupt:

•

Enable General CAN IT in the interrupt system register

•

Enable interrupt by message object, EICHi

•

Enable reception interrupt, ENRX

To enable an interrupt on message object error:

•

Enable General CAN IT in the interrupt system register

•

Enable interrupt by message object, EICHi

•

Enable interrupt on error, ENERCH

To enable an interrupt on general error:

•

Enable General CAN IT in the interrupt system register

•

Enable interrupt on error, ENERG

SIT i

i=0

i=4

OVRIT

ENRX

CANGIE.5

ENTX

CANGIE.4

ENERCH

CANGIE.3

ENBUF

CANGIE.2

ECAN

IEN1.0

RXOK i

CANSTCH.5

TXOK i

CANSTCH.6

BERR i

CANSTCH.4

SERR i

CANSTCH.3

FERR i

CANSTCH.1

CERR i

CANSTCH.2

AERR i

CANSTCH.0

EICH i

CANIE

OVRTIM

CANGIT.5

OVRBUF

CANGIT.4

FERG

CANGIT.1

AERG

CANGIT.0

SERG

CANGIT.3

CERG

CANGIT.2

ENERG

CANGIE.1

ETIM

IEN1.2

SIT i

CANSIT

CANIT

CANGIT.7

CANIT

AT89C51CC02CA-RATUM Datasheet(PDF) 82 Page - ATMEL Corporation

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