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Re: pic18f6520 ccp2設定問題
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版主
 
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RB3 是不會有PWM輸出的功能，它在 RE7。這些訊息可以載 Data Sheet 找到。
DS39609B-page 242 REGISTER 23-5: CONFIG3H: CONFIGURATION REGISTER 3 HIGH (BYTE ADDRESS 300005h) bit 0 CCP2MX: CCP2 Mux bit In Microcontroller mode: 1 = CCP2 input/output is multiplexed with RC1 0 = CCP2 input/output is multiplexed with RE7 In Microprocessor, Microprocessor with Boot Block and Extended Microcontroller modes (PIC18F8X20 devices only): 1 = CCP2 input/output is multiplexed with RC1 0 = CCP2 input/output is multiplexed with RB3 Note 1: Unimplemented in PIC18FX620 and PIC18FX720 devices; read as ‘0’.
發表於: 2008/8/11 17:09
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pic18f6520 ccp2設定問題
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新會員
 
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當我ccp2設定為RB3時,用示波器量RB3是沒有PWM OUT
ccp2設定如下: TRISBbits.TRISB3=Out; CCP2CON=0b00001100; T2CON=0b00000100; PR2=0XFF; 當我ccp2設定為RC1時,用示波器量RC1是有PWM OUT ccp2設定如下: #define CONFIG3H 0b00000010 TRISCbits.TRIS13=Out; CCP2CON=0b00001100; T2CON=0b00000100; PR2=0XFF; 請問RB3要如何做設定才會有動作...謝謝
發表於: 2008/8/11 14:24
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