atmega640V芯片的内部结构资料

[发布时间:10-11-19 来源:http://www.xpjm.net/ 发布者:admin 点击次数:]

  龙人专业提供各类AVR单片机解密、专用IC解密、PLD芯片解密、SPLD芯片解密、FPGA/CPLD芯片解密等解密服务,,在芯片解密过程中,一般的解密工程师要为每一颗芯片选择最合适的解密方案,对芯片内部结构特征及其加解密性质进行技术分析和理解是一项必修课。能够为广大客户提供更专业、更权威的芯片解密信息,为此,这里我们提供对atmega640V芯片做简单介绍,供大家参考借鉴。
  atmega640V的特性:
  High Performance, Low Power AVR 8-Bit Microcontroller
  Advanced RISC Architecture
  135 Powerful Instructions Most Single Clock Cycle Execution
  32 x 8 General Purpose Working Registers
  Fully Static Operation
  Up to 16 MIPS Throughput at 16 MHz
  On-Chip 2-cycle Multiplier
  Non-volatile Program and Data Memories
  64K/128K/256K Bytes of In-System Self-Programmable Flash Endurance: 10,000 Write/Erase Cycles
  Optional Boot Code Section with Independent Lock Bits In-System Programming by On-chip Boot Program True Read-While-Write Operation
  4K Bytes EEPROM Endurance: 100,000 Write/Erase Cycles
  8K 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
  Extensive On-chip Debug Support
  Programming of Flash, EEPROM, Fuses, and Lock Bits through the JTAG Interface
  Peripheral Features
  Two 8-bit Timer/Counters with Separate Prescaler and Compare Mode
  Four 16-bit Timer/Counter with Separate Prescaler, Compare- and Capture Mode
  Real Time Counter with Separate Oscillator
  Four 8-bit PWM Channels
  Six/Twelve PWM Channels with Programmable Resolution from 2 to 16 Bits (ATmega1281/2561, ATmega640/1280/2560)
  Output Compare Modulator
  8/16-channel, 10-bit ADC (ATmega1281/2561, ATmega640/1280/2560)
  Two/Four Programmable Serial USART (ATmega1281/2561,ATmega640/1280/2560)
  Master/Slave SPI Serial Interface
  Byte Oriented 2-wire Serial Interface
  Programmable Watchdog Timer with Separate On-chip Oscillator
  On-chip Analog Comparator
  Interrupt and Wake-up on Pin Change
  Special Microcontroller Features
  Power-on Reset and Programmable Brown-out Detection
  Internal Calibrated Oscillator
  External and Internal Interrupt Sources
  Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby, and Extended Standby
  I/O and Packages
  54/86 Programmable I/O Lines (ATmega1281/2561, ATmega640/1280/2560)
  64-pad QFN/MLF, 64-lead TQFP (ATmega1281/2561)
  100-lead TQFP, 100-ball CBGA (ATmega640/1280/2560)
  芯片解密联系方式:
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