¶Ë¿Ú¶¨Ò壺×Ô¶¯³µpwmÊä³ö¶Ë¿Ú£ºPA0PA1PA2PA3pwmÕ¼Óö¨Ê±Æ÷TIM2CH1(×óÇ°),TIM2CH2£¨ÓÒÇ°£©,TIM2CH3£¨×óºó£©,TIM2CH4£¨ÓҺ󣩵ç»úÂß¼µçƽPB12(×óÇ°Ç°½ø),PB13(ÓÒÇ°ºóÍË),PB14£¨×óÇ°ºóÍË£©,PB15£¨ÓÒÇ°Ç°½ø£©,PE12£¨×óºóÇ°½ø£©,PE13£¨ÓÒºóÇ°½ø£©,PE14£¨×óºóºóÍË£©,PE15£¨ÓÒºóºóÍË£©,
