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可编程系统要求在复杂，多电压系统下管理IC监视器
消耗积分:5 |
格式:rar |
大小:187 |
2009-05-07
刘洋
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Abstract: In most electronic systems, it is important to monitor system voltages both to ensure that processors and other ICs remain reset during power-up, and to detect when brownout conditions occur. This monitoring minimizes code-execution problems, which corrupt memory or cause systems to execute improperly. In high-end systems, it is also critical to ensure proper sequencing of the many power supplies within these systems. Proper sequencing prevents latch-up conditions, which create system problems or damage important components such as microcontrollers (µCs), DSPs, ASICs, or microprocessors (µPs). Commonly, one or more supervisory products are needed to implement the proper sequencing and monitoring functions noted here.
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