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HD404889芯片解密

   日立系列单片机分为OTP单片机及掩膜型单片机,HD404889是日立公司的典型OTP单片机,也是新达目前在日立系列单片机解密/芯片解密技术研究中成功解密的典型芯片。目前,新达不仅成功突破HD404889芯片解密等日立OTP单片机解密技术,而且针对各种掩膜型芯片的解密技术也已经取得突破性进展。  
   本文我们以HD404889芯片为例,将主要针对其性能特征进行简单介绍,供大家参考借鉴,如果客户有HD404889单片机解密等日立OTP芯片解密需求,请与我们联系咨询更多解密详情。
  HD404889 Features
  46 I/O pins (HD404889/HD404899/HD404878 Series)
  41 I/O pins (HD404868 Series)
  Large-current I/O pins (source: 10 mA max.):4
  Large-current I/O pins (sink: 15 mA max.): 8 (HD404889/HD404899/HD404878 Series)
  6 (HD404868 Series)
  LCD segment multiplexed pins:16
  Analog input multiplexed pins: 6 (HD404889 and HD404899 Series)
  4 (HD404868 Series)
  Four Timer/counters
  8-bit timer: 2 (HD404889/HD404899/HD404878 Series)
  1 (HD404868 Series)
  16-bit timer:1 (Can also be used as two 8-bit timer)
  8-bit input capture circuit (HD404889/HD404899/HD404878 Series)
  Two timer outputs (including PWM out-put)
  Two event counter inputs (edge-programmable) (HD404889/HD404899/HD404878 Series)
  One event counter input (edge-programmable) (HD404868 Series)
  Clock-synchronous 8-bit serial interface
  A/D converter
  6 channels × 8-bit (HD404889 Series)
  6 channels × 10-bit (HD404899 Series)
  4 channels × 10-bit (HD404868 Series)
  LCD controller/driver (32 segments × 4 commons) (HD404889/HD404899/HD404878 Series)
  (24 segments × 4 commons) (HD404868 Series)
  On-chip oscillators
  Main clock (ceramic resonator, crystal resonator, or external clock operation possible)
  Sub-clock (32.768 kHz crystal resonator)
  Interrupts  
  External: 3 (including one edge-programmable)
  Internal : 6 (HD404889 and HD404899 Series)
  : 5 (HD404878 and HD404868 Series)
  Subroutine stack up to 16 levels, including interrupts
  Four Low-power dissipation modes
  Module standby (timers, serial interface, A/D converter)
  System clock division software switching (1/4 or 1/32)
  Inputs for return from stop mode (wakeup): 4
  Instruction execution time
  Min. 0.89 μs (fOSC = 4.5 MHz)
  Operation voltage
  1.8 V to 5.5 V
   新达依靠多年来在OTP单片机解密、FLASH芯片解密、掩膜型芯片IC解密等技术研究领域的丰富经验及成果积累,长期专业面向广大客户提供高效可靠的优质解密服务,欲了解更多详情请与新达商务中心联系。
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