Description
The AT90CAN32/64/128 is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the AT90CAN32/64/128 achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consumption versus processing speed.

Features
• High-performance, Low-power AVR® 8-bit Microcontroller
• Advanced RISC Architecture
   – 133 Powerful Instructions – Most Single Clock Cycle Execution
   – 32 x 8 General Purpose Working Registers + Peripheral Control Registers
   – Fully Static Operation
   – Up to 16 MIPS Throughput at 16 MHz
   – On-chip 2-cycle Multiplier
• Non volatile Program and Data Memories
   – 32K/64K/128K Bytes of In-System Reprogrammable Flash (AT90CAN32/64/128)
      • Endurance: 10,000 Write/Erase Cycles
   – Optional Boot Code Section with Independent Lock Bits
      • Selectable Boot Size: 1K Bytes, 2K Bytes, 4K Bytes or 8K Bytes
      • In-System Programming by On-Chip Boot Program (CAN, UART, ...)
      • True Read-While-Write Operation
   – 1K/2K/4K Bytes EEPROM (Endurance: 100,000 Write/Erase Cycles) (AT90CAN32/64/128)
   – 2K/4K/4K Bytes Internal SRAM (AT90CAN32/64/128)
   – Up to 64K Bytes Optional External Memory Space
   – Programming Lock for Software Security
• JTAG (IEEE std. 1149.1 Compliant) Interface
   – Boundary-scan Capabilities According to the JTAG Standard
   – Programming Flash (Hardware ISP), EEPROM, Lock & Fuse Bits
   – Extensive On-chip Debug Support
• CAN Controller 2.0A & 2.0B - ISO 16845 Certified (1)
   – 15 Full Message Objects with Separate Identifier Tags and Masks
   – Transmit, Receive, Automatic Reply and Frame Buffer Receive Modes
   – 1Mbits/s Maximum Transfer Rate at 8 MHz
   – Time stamping, TTC & Listening Mode (Spying or Autobaud)
• Peripheral Features
   – Programmable Watchdog Timer with On-chip Oscillator
   – 8-bit Synchronous Timer/Counter-0
      • 10-bit Prescaler
      • External Event Counter
      • Output Compare or 8-bit PWM Output
   – 8-bit Asynchronous Timer/Counter-2
      • 10-bit Prescaler
      • External Event Counter
      • Output Compare or 8-Bit PWM Output
      • 32Khz Oscillator for RTC Operation
   – Dual 16-bit Synchronous Timer/Counters-1 & 3
      • 10-bit Prescaler
      • Input Capture with Noise Canceler
      • External Event Counter
      • 3-Output Compare or 16-Bit PWM Output
      • Output Compare Modulation
   – 8-channel, 10-bit SAR ADC
      • 8 Single-ended Channels
      • 7 Differential Channels
      • 2 Differential Channels With Programmable Gain at 1x, 10x, or 200x
   – On-chip Analog Comparator
   – Byte-oriented Two-wire Serial Interface
   – Dual Programmable Serial USART
   – Master/Slave SPI Serial Interface
      • Programming Flash (Hardware ISP)
• Special Microcontroller Features
   – Power-on Reset and Programmable Brown-out Detection
   – Internal Calibrated RC Oscillator
   – 8 External Interrupt Sources
   – 5 Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down & Standby
   – Software Selectable Clock Frequency
   – Global Pull-up Disable
• I/O and Packages
   – 53 Programmable I/O Lines
   – 64-lead TQFP and 64-lead QFN
• Operating Voltages: 2.7 - 5.5V
• Operating temperature: Industrial (-40°C to +85°C)
• Maximum Frequency: 8 MHz at 2.7V, 16 MHz at 4.5V