AT90CAN64 Atmel Corporation, AT90CAN64 Datasheet - Page 421

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AT90CAN64

Manufacturer Part Number
AT90CAN64
Description
Manufacturer
Atmel Corporation
Datasheets

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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7679H–CAN–08/08
1
2
3
4
5
Features ..................................................................................................... 1
Description ............................................................................................... 2
About Code Examples ............................................................................. 8
AVR CPU Core .......................................................................................... 9
Memories ................................................................................................ 18
System Clock ......................................................................................... 37
1.1
1.2
1.3
1.4
1.5
1.6
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
4.1
4.2
4.3
4.4
4.5
4.6
5.1
5.2
5.3
5.4
5.5
5.6
5.7
5.8
Comparison Between AT90CAN32, AT90CAN64 and AT90CAN128 ................2
Part Description ..................................................................................................2
Disclaimer ...........................................................................................................3
Block Diagram ....................................................................................................4
Pin Configurations ..............................................................................................5
Pin Descriptions ..................................................................................................6
Introduction .........................................................................................................9
Architectural Overview ........................................................................................9
ALU – Arithmetic Logic Unit ..............................................................................10
Status Register .................................................................................................11
General Purpose Register File .........................................................................12
Stack Pointer ....................................................................................................14
Instruction Execution Timing .............................................................................14
Reset and Interrupt Handling ............................................................................15
In-System Reprogrammable Flash Program Memory ......................................18
SRAM Data Memory .........................................................................................19
EEPROM Data Memory ....................................................................................22
I/O Memory .......................................................................................................27
External Memory Interface ................................................................................27
General Purpose I/O Registers .........................................................................36
Clock Systems and their Distribution ................................................................37
Clock Sources ...................................................................................................38
Default Clock Source ........................................................................................38
Crystal Oscillator ...............................................................................................39
Low-frequency Crystal Oscillator ......................................................................40
Calibrated Internal RC Oscillator ......................................................................41
External Clock ...................................................................................................42
Clock Output Buffer ..........................................................................................43
AT90CAN32/64/128
421

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