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Re: 16F684 PWM I/O 功能
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新會員
 
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以找到解答了~~~
使用ECCPAS
發表於: 2008/9/18 22:01
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Re: 16F684 PWM I/O 功能
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新會員
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如上面void initial_PWM(void)
當P1A pin 輸出pwm 時我要怎麼設定讓P1A pin 常Low 或 常Hight的狀態呢?
發表於: 2008/9/14 16:17
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16F684 PWM I/O 功能
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請問我在設定
1.PWM 功能P1A輸出後 2.在轉成I/O模式H輸出 3.再轉回PWM 功能P1A輸出,此時PWM卻無法動作 請問我哪裡設錯了媽? void initial_PWM(void) { PORTC=0x00; CMCON0=0x40; ANSEL=0; TRISC=0x00; PR2=0xA5; //0x65 2KHz CCPR1L=PulseWidth;//0x1F CCP1CON=0x2C; GIE=1; PEIE=1; TMR2IE=1; //Timer2&PR2 ENABLE interrupt TMR2ON=1; //Time2 PWM "1" Enable } void initial_IO(void) { PORTA=0X00; CMCON0=0X07; ANSEL=0; TRISA=0X10; PORTA=0X00; PORTC=0X00; CMCON0=0X07; ANSEL=0; TRISC=0X00; PORTC=0X00; }
發表於: 2008/9/12 22:28
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