AT90CAN64 Atmel Corporation, AT90CAN64 Datasheet - Page 255
AT90CAN64
Manufacturer Part Number
AT90CAN64
Description
Manufacturer
Atmel Corporation
Specifications of AT90CAN64
Flash (kbytes)
64 Kbytes
Pin Count
64
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
53
Ext Interrupts
8
Usb Speed
No
Usb Interface
No
Spi
1
Twi (i2c)
1
Uart
2
Can
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
4
Eeprom (bytes)
2048
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
2.7 to 5.5
Operating Voltage (vcc)
2.7 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
4
Output Compare Channels
8
Input Capture Channels
2
Pwm Channels
7
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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19.10.4
7679H–CAN–08/08
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
– 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.
– 0 - interrupt disabled.
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
AT90CAN32/64/128
ENERG
R/W
1
0
ENOVRT
R/W
0
0
CANGIE
255
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