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S3F9454解密,橙盒科技三星单片机解密

分类:三星芯片解密技术 | 发布:chaoban | 查看: | 发表时间:2010-11-23
S3F9454芯片解密,首先需要对芯片内部结构及其加解密性质进行技术分析和理解,对于客户来说,这个分析理解的过程,能够帮助其更好地对芯片解密的技术实现和解密难易程度、解密报价等信息进行参考对比,更好的对自己的解密项目进行监控。而对于解密工程师来说,这个技术分析与理解的过程,能够帮助其更好的理解芯片的加解密手法,从而选择更合适可靠的解密方案。
因此,这里,我们首先提供对S3F9454芯片的功能特征进行技术分析。
S3F9454 FEATURES
  CPU
  SAM88RCRI CPU core
  The SAM88RCRI core is low-end version of the current SAM87 core.
  Memory
  2/4-Kbyte internal program memory
  208-byte general purpose register area
  Instruction Set
  41 instructions
  The SAM88RCRI core provides all the SAM87 core instruction except the word-oriented instruction, multiplication, division, and some one-byte instruction.
  Instruction Execution Time
  400 ns at 10 MHz fOSC (minimum)
  Interrupts
  4 interrupt sources with one vector
  One interrupt level
  General I/O
  Three I/O ports (Max 18 pins)
  Bit programmable ports
  8-bit High-speed PWM
  8-bit PWM 1-ch (Max: 156 kHz)
  6-bit base + 2-bit extension
  Built-in reset Circuit
  Low voltage detector for safe reset
  Timer/Counters
  One 8-bit basic timer for watchdog function
  One 8-bit timer/counter with time interval modes
  A/D Converter
  Nine analog input pins
  10-bit conversion resolution
  Oscillation Frequency
  1 MHz to 10 MHz external crystal oscillator
  Maximum 10 MHz CPU clock
  Internal RC: 3.2 MHz (typ.), 0.5 MHz (typ.) in
  VDD = 5 V
  Operating Temperature Range
  – 40°C to + 85°C
  Operating Voltage Range
  2.0 V (LVR Level) to 5.5 V
  Smart Option
  Package Types
  – 8-DIP-300
  – 8-SOP-225
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