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S3F9444芯片解密

来源:芯片解密-龙芯世纪   时间:2010-06-23   阅读:1264

S3F9444 芯片解密是龙芯世纪在 研究中成功破解的典型芯片型号,针对该芯片,我们解密周 期短、价格低、可靠性强。这里,我们将针对S3F9444芯片的主要技术特征做简单介绍,这里我们仅提供对S3F9444芯片的主要 功能特征介绍,供客户及各类芯片解密工程师与电子工程师参考借鉴,有芯片解密,ic解密 需求者请直接与我们联系咨询。
 
下面是关于S3F9444芯片的主要性能特征介绍,我们提供给广大客户及其他各类技术工程师参考借鉴。
S3F9444  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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