Method and microprocessor for reducing static and dynamic power consumption of multi-pin microcontroller
一种微控制器、微处理器的技术,应用在顺序/逻辑控制器中的程序控制、电气程序控制等方向,达到降低静态和动态功耗、使用寿命变、使用寿命长的效果
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[0018] The invention utilizes the ultra-low static and dynamic power consumption characteristics of the SRAM relative to the embedded non-volatile memory to realize the ultra-low power consumption performance of the microcontroller powered by the battery.
[0019] The microcontroller is powered by the battery, not directly by the grid, and has very strict requirements on the static and dynamic power consumption index. The microcontroller has 64, or 80, or 100, or even higher pin counts, so the microcontroller's die form factor is determined by the pinout, not by the microcontroller's The core (Core) circuit area is determined.
[0020] see figure 1 As shown, an embedded nonvolatile memory (such as Flash) is provided as a user program storage area on the microcontroller chip; the power supply of the embedded nonvolatile memory can be cut off and turned on independently.
[0021] A static read-only memory (SRAM) is embedded on the microcontroller chip, and its storage capacity...
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