AT90CAN128-16AE ATMEL Corporation, AT90CAN128-16AE Datasheet - Page 242

• Manufacturer Part Number: AT90CAN128-16AE
• Description: 8-bit Avr Microcontroller With 128K Bytes of Isp Flash And CAN Controller.flash (Kbytes) 128 Vcc (V) 2.7-5.5 EEPROM (Kbytes) 4 SRAM (bytes) 4K CAN (mess. Obj.) 15
• Manufacturer: ATMEL Corporation

Error Setting
242
AT90CAN128
Rx
Tx
•
Figure 120. Error Detection Procedures in a Data Frame
The CAN channel can detect some errors on the CAN network.
•
•
After detecting an error, the CAN channel sends an error frame on network. If the CAN
channel detects an error frame on network, it sends its own error frame.
Form error
Form error
Stuff error
ACK error
Stuff error
CRC error
Bit error
Bit error
–
AERR: Acknowledgment error (Tx only). No detection of the dominant bit in the
acknowledge slot.
In transmission:
The error is set at MOb level.
In reception:
- The identified has matched:
- The identified has not or not yet matched:
The error is set at MOb level.
The error is set at general level.
overload delimiter
SOF
Identifier
Arbitration
RTR
Command
Message Data
CRC
CRC
del.
ACK
ACK
del.
4250C–CAN–03/04
EOF
inter.