AT90CAN128-16MJ Atmel, AT90CAN128-16MJ Datasheet - Page 249
AT90CAN128-16MJ
Manufacturer Part Number
AT90CAN128-16MJ
Description
IC MCU AVR FLASH 128K 64-QFN
Manufacturer
Atmel
Series
AVR® 90CANr
Specifications of AT90CAN128-16MJ
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
CAN, EBI/EMI, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
53
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-VQFN Exposed Pad, 64-HVQFN, 64-SQFN, 64-DHVQFN
For Use With
ATDVK90CAN1 - KIT DEV FOR AT90CAN128 MCU
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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19.7.3
19.8
19.8.1
7679H–CAN–08/08
Interrupts
Error Setting
Interrupt organization
Figure 19-13. 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.
The different interrupts are:
The general interrupt enable is provided by ENIT bit and the specific interrupt enable for CAN
timer overrun is provided by ENORVT bit.
Tx
Rx
• AERR: Acknowledgment error (Tx only). No detection of the dominant bit in the acknowledge
• In transmission:
• In reception:
• Interrupt on receive completed OK,
• Interrupt on transmit completed OK,
• Interrupt on error (bit error, stuff error, CRC error, form error, acknowledge error),
• Interrupt on frame buffer full,
• Interrupt on “Bus Off” setting,
• Interrupt on overrun of CAN timer.
slot.
The error is set at MOb level.
- The identified has matched:
- The identified has not or not yet matched:
The error is set at general level.
The error is set at MOb level.
– end-of-frame
– error delimiter
– overload delimiter
Form error
Form error
Stuff error
Stuff error
ACK error
CRC error
Bit error
Bit error
SOF
Identifier
Arbitration
RTR
Control
Message Data
AT90CAN32/64/128
CRC
CRC
del.
ACK
ACK
del.
EOF
inter.
249
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