Features
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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
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Non volatile Program and Data Memories
– 128K Bytes of In-System Reprogrammable Flash
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
8-bit
– 4K Bytes EEPROM (Endurance: 100,000 Write/Erase Cycles)
– 4K Bytes Internal SRAM
Microcontroller
with
128K Bytes of
ISP Flash
and
– 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
– 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
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CAN Controller
– 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
AT90CAN128
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)
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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
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Operating Voltages
– 2.7 - 5.5V
Operating temperature
– Industrial (-40°C to +85°C)
Maximum Frequency
– 8 MHz at 2.7V - Industrial range
Rev. 4250E–CAN–12/04
– 16 MHz at 4.5V - Industrial range
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