AT90CAN32 Automotive Atmel Corporation, AT90CAN32 Automotive Datasheet - Page 424

• Manufacturer Part Number: AT90CAN32 Automotive
• Manufacturer: Atmel Corporation

Specifications of AT90CAN32 Automotive

• Flash (kbytes): 32 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): 2
• Eeprom (bytes): 1024
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 125
• 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

1
2
3
4
5
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
1.7
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
5.9
AT90CAN32/64/128
Comparison Between AT90CAN32, AT90CAN64 and AT90CAN128 ................2
Part Description ..................................................................................................2
Disclaimer ...........................................................................................................3
Automotive Quality Grade ...................................................................................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
Timer/Counter2 Oscillator .................................................................................43
7682C–AUTO–04/08