ATMEGA64M1-AU Atmel, ATMEGA64M1-AU Datasheet - Page 184

• Manufacturer Part Number: ATMEGA64M1-AU
• Description: IC MCU AVR 64K FLASH 32TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA64M1-AU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: CAN, LIN, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Program Memory Size: 64KB (32K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 2K x 8
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 11x10b; D/A 1x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-TQFP, 32-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Number Of I /o: -
• Lead Free Status / Rohs Status: Details

19.10.4
184
ATmega16M1/32M1/64M1
CANGIE – CAN General Interrupt Enable Register
• 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
Read/Write
Initial Value
– 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
Bit
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
8209D–AVR–11/10
CANGIE