实施的关键程序唤醒
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In certain applications, the PIC16CXXX is exercised
only when a key is pressed, (e.g., remote keyless
entry). In such applications, the battery life can be
extended by putting the PIC16CXXX to sleep during
inactive states and when a key is pressed, the
PIC16CXXX wakes up, performs the task, and then
goes back to sleep. AN528
Implementing Wake-up on Key Stroke
are both set to a low logic level. In this state, the capac-
Author: Stan D’Souza itor C is fully charged and a high logic level is present at
Microchip Technology Inc. the MCLR pin. When a key is pressed, C discharges
through either R2 or R3 (depending on which switch is
being pressed). The voltage across C falls rapidly
INTRODUCTION
only when a key is pressed, (e.g., remote keyless
entry). In such applications, the battery life can be
extended by putting the PIC16CXXX to sleep during
inactive states and when a key is pressed, the
PIC16CXXX wakes up, performs the task, and then
goes back to sleep. AN528
Implementing Wake-up on Key Stroke
are both set to a low logic level. In this state, the capac-
Author: Stan D’Souza itor C is fully charged and a high logic level is present at
Microchip Technology Inc. the MCLR pin. When a key is pressed, C discharges
through either R2 or R3 (depending on which switch is
being pressed). The voltage across C falls rapidly
INTRODUCTION
关键词： 唤醒 Wake-up
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