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AT90CAN128解密 - ATMEL单片机解密

关于AT90CAN128解密,首先需要对该单片机功能特征及基本技术信息有一定的了解,因为针对不同类型的芯片需要选择不同的解密手法和方案,以最大限度确保解密的成功率及可靠性。
深圳芯片解密研究所目前对AT90CAN128等AT90系列单片机均能解密,我们长期专注于各类IC解密研究、MCU单片机解密研究,可以为各种不同类型的芯片提供最合理的解密方案。
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   The AT90CAN128 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 AT90CAN128 achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consumption versus processing speed.
  The AVR core combines a rich instruction set with 32 general purpose working registers.All 32 registers are directly connected to the Arithmetic Logic Unit (ALU), allowing two independent registers to be accessed in one single instruction executed in one clock cycle. The resulting architecture is more code efficient while achieving throughputs up to ten times faster than conventional CISC microcontrollers.
  The AT90CAN128 provides the following features: 128K bytes of In-System Programmable Flash with Read-While-Write capabilities, 4K bytes EEPROM, 4K bytes SRAM,53 general purpose I/O lines, 32 general purpose working registers, a CAN controller,Real Time Counter (RTC), four flexible Timer/Counters with compare modes and PWM,2 USARTs, a byte oriented Two-wire Serial Interface, an 8-channel 10-bit ADC with optional differential input stage with programmable gain, a programmable Watchdog Timer with Internal Oscillator, an SPI serial port, IEEE std. 1149.1 compliant JTAG test interface, also used for accessing the On-chip Debug system and programming and five software selectable power saving modes.
  The Idle mode stops the CPU while allowing the SRAM, Timer/Counters, SPI/CAN ports and interrupt system to continue functioning. The Power-down mode saves the register contents but freezes the Oscillator, disabling all other chip functions until the next interrupt or Hardware Reset. In Power-save mode, the asynchronous timer continues to run, allowing the user to maintain a timer base while the rest of the device is sleeping. The ADC Noise Reduction mode stops the CPU and all I/O modules except Asynchronous Timer and ADC, to minimize switching noise during ADC conversions. In Standby mode,the Crystal/Resonator Oscillator is running while the rest of the device is sleeping. This allows very fast start-up combined with low power consumption.
  The device is manufactured using Atmel’s high-density nonvolatile memory technology. The On-chip ISP Flash allows the program memory to be reprogrammed in-system through an SPI serial interface, by a conventional nonvolatile memory programmer, or by an On-chip Boot program running on the AVR core. The boot program can use any interface to download the application program in the application Flash memory. Software in the Boot Flash section will continue to run while the Application Flash section is updated, providing true Read-While-Write operation. By combining an 8-bit RISC CPU with In-System Self-Programmable Flash on a monolithic chip, the Atmel AT90CAN128 is a powerful microcontroller that provides a highly flexible and cost effective solution to many embedded control applications.
  The AT90CAN128 AVR is supported with a full suite of program and system development tools including: C compilers, macro assemblers, program debugger/simulators, incircuit emulators, and evaluation kits.
     AT90CAN128 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
  – 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
  – 4K Bytes EEPROM (Endurance: 100,000 Write/Erase Cycles)
  – 4K Bytes Internal SRAM
  – 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 (Psying 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 - Industrial range
  – 16 MHz at 4.5V - Industrial range