AT89C51CC03U-S3SIM ATMEL [ATMEL Corporation], AT89C51CC03U-S3SIM Datasheet - Page 95
AT89C51CC03U-S3SIM
Manufacturer Part Number
AT89C51CC03U-S3SIM
Description
Enhanced 8-bit MCU with CAN Controller and Flash Memory
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.AT89C51CC03U-S3SIM.pdf
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IT CAN Management
Figure 50. CAN Controller Interrupt Structure
4182I–CAN–06/05
CANSTCH.5
CANSTCH.6
CANSTCH.4
CANSTCH.3
CANSTCH.2
CANSTCH.1
CANSTCH.0
OVRBUF
CANGIT.3
CANGIT.1
OVRTIM
CANGIT.2
CANGIT.0
CANGIT.4
CANGIT.5
RXOK i
CERR i
TXOK i
BERR i
SERR i
FERR i
AERR i
SERG
CERG
FERG
AERG
CANGIE.5
ENRX
The different interrupts are:
•
•
•
•
•
To enable a transmission interrupt:
•
•
•
To enable a reception interrupt:
•
•
•
To enable an interrupt on message object error:
CANGIE.4
ENTX
Transmission interrupt,
Reception interrupt,
Interrupt on error (bit error, stuff error, crc error, form error, acknowledge error),
Interrupt when Buffer receive is full,
Interrupt on overrun of CAN Timer.
Enable General CAN IT in the interrupt system register,
Enable interrupt by message object, EICHi,
Enable transmission interrupt, ENTX.
Enable General CAN IT in the interrupt system register,
Enable interrupt by message object, EICHi,
Enable reception interrupt, ENRX.
ENERCH
CANGIE.3
CANSIT1/2
SIT i
SIT i
CANGIE.2
CANIE1/2
ENBUF
EICH i
CANGIE.1
ENERG
i=0
i=14
ECAN
IEN1.0
IEN1.2
ETIM
CANGIT.7
CANIT
OVRIT
95
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