52单片机实现3路输出PWM占空比频率可调

用汇编语言实现3路输出PWM波，占空比和频率均可调，用定时器实现

 属性            大小     日期    时间   名称
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     文件       6552  2010-08-21 01:52  52PWM\3路PWM_TEST

     文件      15992  2010-08-21 01:48  52PWM\3路PWM_TEST.ASM

     文件      89463  2010-08-20 14:34  52PWM\3路PWM_TEST.DSN

     文件       3146  2010-08-21 01:52  52PWM\3路PWM_TEST.hex

     文件         54  2010-08-21 01:52  52PWM\3路PWM_TEST.lnp

     文件      44996  2010-08-21 01:52  52PWM\3路PWM_TEST.LST

     文件      26577  2010-08-21 01:52  52PWM\3路PWM_TEST.M51

     文件       7116  2010-08-21 01:52  52PWM\3路PWM_TEST.OBJ

     文件       1017  2010-08-21 01:52  52PWM\3路PWM_TEST.plg

     文件        792  2010-08-21 01:51  52PWM\3路PWM_TEST.PWI

     文件      55672  2010-08-21 01:52  52PWM\3路PWM_TEST.uvopt

     文件      13265  2010-08-20 00:43  52PWM\3路PWM_TEST.uvproj

     文件      56094  2010-08-20 08:01  52PWM\3路PWM_TEST_uvopt.bak

     文件          0  2010-08-19 22:45  52PWM\3路PWM_TEST_uvproj.bak

     文件      89463  2010-08-20 08:07  52PWM\Last Loaded 3路PWM_TEST.DBK

     文件       6376  2009-05-07 14:37  52PWM\STARTUP.A51

     文件      14062  2010-08-19 22:46  52PWM\STARTUP.LST

     文件        758  2010-08-19 22:46  52PWM\STARTUP.OBJ

     文件        654  2010-08-19 22:45  52PWM\TEST.plg

     目录          0  2010-08-24 09:02  52PWM

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