The paper presents the principle and realization of voice alarm composed of EX44B0 board integrating ARM microprocessor and the voice chip ZY1420A.

介绍了由集成ARM微处理器的EX44B0开发板和语音芯片ZY1420A组成的语音报警系统的原理与实现过程。

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These control ICs greatly simplify the system design and lower system cost by integrating the commutation logic on-board, which lessons the burden on the system microprocessor.

上述两种控制IC集成了整流逻辑，减少了系统微处理器的负载，从而大大简化了系统设计，降低了系统成本。

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The series of ARM7 is extensive and widely applied microprocessor, while the current object circuit board of ARM7 are cut by mature evaluating board without PS2 interface.

ARM7系列是广泛应用的嵌入式微处理器，目前ARM7处理器的目标板大多是由成熟的评估板裁减而成的，一般没有PS2接口。

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Engineers there had created a server the size of a circuit board, run off a microprocessor designed to work with power-stingy laptops, not brawny computing machines.

FORBES: Attack From Below