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keyboard2.rar
- LPC2138外接的4*4矩阵键盘扫描!硬件方面接到了2138的P1.16到P1.23.使用定时器0定时检测键盘扫描.,LPC2138 external 4* 4 matrix keyboard scanning! Hardware received 2138 of P1.16 to P1.23. Using timer 0 timer keyboard scan detection.
PWM_Timer
- ARM7-lpc2138 利用PWM作为标准的32定时器例子 -example of using PMW TO make timer by LPC 2138 arm7
