atmega32c1 ATMEL Corporation, atmega32c1 Datasheet - Page 188

• Manufacturer Part Number: atmega32c1
• Description: Atmega32m1 Automotive 8-bit Avr Microcontroller With 32k/64k Bytes In-system Programmable Flash
• Manufacturer: ATMEL Corporation

16.10.4
188
ATmega32/64/M1/C1
CAN General Interrupt Enable Register - CANGIE
• Bit 3 – SERG: Stuff Error General
Writing a logical one resets this interrupt flag.
• Bit 2 – CERG: CRC Error General
Writing a logical one resets this interrupt flag.
• Bit 1 – FERG: Form Error General
Writing a logical one resets this interrupt flag.
• Bit 0 – AERG: Acknowledgment Error General
Writing a logical one resets this interrupt flag.
• Bit 7 – ENIT: Enable all Interrupts (Except for CAN Timer Overrun Interrupt)
• Bit 6 – ENBOFF: Enable Bus Off Interrupt
• Bit 5 – ENRX: Enable Receive Interrupt
• Bit 4 – ENTX: Enable Transmit Interrupt
Initial Value
Read/Write
Bit
– 0 - no interrupt.
– 1 - burst receive interrupt: set when the frame buffer receive is completed.
– 0 - no interrupt.
– 1 - stuff error interrupt: detection of more than 5 consecutive bits with the same
– 0 - no interrupt.
– 1 - CRC error interrupt: the CRC check on destuffed message does not fit with the
– 0 - no interrupt.
– 1 - form error interrupt: one or more violations of the fixed form in the CRC delimiter,
– 0 - no interrupt.
– 1 - acknowledgment error interrupt: no detection of the dominant bit in acknowledge
– 0 - interrupt disabled.
– 1- CANIT interrupt enabled.
– 0 - interrupt disabled.
– 1- bus off interrupt enabled.
– 0 - interrupt disabled.
– 1- receive interrupt enabled.
polarity.
CRC field.
acknowledgment delimiter or EOF.
slot.
ENIT
R/W
7
0
ENBOFF
R/W
6
0
ENRX
R/W
5
0
ENTX
R/W
4
0
ENERR
R/W
3
0
ENBX
R/W
2
0
ENERG
R/W
1
0
ENOVRT
R/W
0
0
CANGIE
7647A–AVR–02/08