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用HC05微控制器实现矩阵键盘的唤醒及矩阵键盘应用介绍(以M
李娜
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This application note demonstrates the use of a matrix keypad including
wakeup from stop mode with HC05 J and K series microcontrollers. The
MC68HC705J1A is used as an example.
The code is divided into a main routine and two subroutines. The main
routine handles stop mode and the interrupt service routine that acts on
the key being pressed. The keypad subroutine actually decodes the
keypad. The delay subroutine is used by the interrupt service routine to
debounce the key press and key release
更多矩阵键盘知识请访问http://www.elecfans.com/zhuanti/20111025226587.html
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