AT89C51CC03CA-7CTUM ATMEL [ATMEL Corporation], AT89C51CC03CA-7CTUM Datasheet - Page 105

• Manufacturer Part Number: AT89C51CC03CA-7CTUM
• Description: Enhanced 8-bit MCU with CAN Controller and Flash Memory
• Manufacturer: ATMEL [ATMEL Corporation]

AT89C51CC03
4. Interrupt routine
// Save the current CANPAGE
// Find the first message object which generate an interrupt in CANSIT1 and CANSIT2
// Select the corresponding message object
// Analyse the CANSTCH register to identify which kind of interrupt is generated
// Manage the interrupt
// Clear the status register CANSTCH = 00h;
// if it is not a channel interrupt but a general interrupt
// Manage the general interrupt and clear CANGIT register
// restore the old CANPAGE
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4182K–CAN–05/06