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Maxim系列MAX813L结构特征分析及解密

    在Maxim系列单片机解密技术研究领域,深圳芯片解密研究所长期以来以自身雄厚的技术研发能力和极具特色的服务模式为广大客户提供了众多MAX单片机解密、IC解密技术服务,我们依靠出色的技术解决方案和极具竞争优势的解密价格,广受客户好评。

    MAX813L芯片解密时深圳芯片解密研究所在Maxim系列IC解密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MAX813L芯片的主要技术特征做简单介绍,供大家参考借鉴。
Description
   The MAX705-MAX708/MAX813L microprocessor (µP) supervisory circuits reduce the complexity and number of components required to monitor power-supply and battery functions in µP systems. These devices significantly improve system reliability and accuracy compared to separate ICs or discrete components.
   The MAX705/MAX706/MAX813L provide four functions:
   1) A reset output during power-up, power-down, andbrownout conditions.
   2) An independent watchdog output that goes low ifthe watchdog input has not been toggled within 1.6 seconds.
   3) A 1.25V threshold detector for power-fail warning,low-battery detection, or for monitoring a power supply other than +5V.
   4) An active-low manual-reset input.
   The MAX707/MAX708 are the same as the MAX705/MAX706, except an active-high reset is substituted for the watchdog timer.  The MAX813L is the same as the MAX705, except RESET is provided instead of RESET.
   Two supply-voltage monitor levels are available:  The MAX705/MAX707/MAX813L generate a reset pulse when the supply voltage drops below 4.65V, while the MAX706/MAX708 generate a reset pulse below 4.40V.All four parts are available in 8-pin DIP, SO and µMAX packages.
Features
o µMAX Package: Smallest 8-Pin SO
o Guaranteed RESET Valid at VCC= 1V
o Precision Supply-V
o ltage Monitor 4.65V in MAX705/MAX707/MAX813L
o 200ms Reset Pulse Width
o Debounced TTL/CMOS-Compatible
  Manual-Reset Input
o Independent Watchdog Timer—1.6sec Timeout(MAX705/MAX706)
o Active-High Reset Output(MAX707/MAX708/MAX813L)
o Voltage Monitor for Power-Fail or Low-Battery Warning
   在单片机解密过程中,对单片机本身性能特征及其加密特性与内部结构有一定的了解,能够更好的理解单片机加解密原理,选择更合适的解密方案。以上MAX813L单片机的主要性能特征介绍,供广大客户与工程师参考借鉴。欢迎有MAX813L解密等Maxim芯片解密需求者与深圳芯片解密研究所联系。
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