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PIC16F877A.H頭文件詳細註釋

admin @ 2014-03-14 , reply:0

概述

/* *HeaderfilefortheMicrochip *PIC16F873Achip *PIC16F874Achip *PIC16F876Achip&nb……

/*
 * Header file for the Microchip
 * PIC 16F873A chip
 * PIC 16F874A chip
 * PIC 16F876A chip
 * PIC 16F877A chip
 * Midrange Microcontroller
 */

#if defined(_16F874A) || defined(_16F877A)
#define __PINS_40
#endif

static volatile unsigned char INDF @ 0x00;   //間接定址寄存器
static volatile unsigned char TMR0 @ 0x01;   //定時器0
static volatile unsigned char PCL  @ 0x02;   //低8位程序計數器
static volatile unsigned char STATUS @ 0x03;   //程序狀態寄存器
static          unsigned char FSR  @ 0x04;   //特殊功能寄存器
static volatile unsigned char PORTA @ 0x05;   //埠A寄存器
static volatile unsigned char PORTB @ 0x06;   //埠B寄存器
static volatile unsigned char PORTC @ 0x07;   //埠C寄存器
#ifdef __PINS_40
static volatile unsigned char PORTD @ 0x08;   //埠D寄存器
static volatile unsigned char PORTE @ 0x09;   //埠E寄存器
#endif
static          unsigned char PCLATH @ 0x0A;   //高5位程序計數器
static volatile unsigned char INTCON @ 0x0B;   //中斷控制寄存器
static volatile unsigned char PIR1 @ 0x0C;   //中斷標誌寄存器PIR1
static volatile unsigned char PIR2 @ 0x0D;   //中斷標誌寄存器PIR2
static volatile unsigned char TMR1L @ 0x0E;   //低位元組計數寄存器
static volatile unsigned char TMR1H @ 0x0F;   //高位元組計數寄存器
static volatile unsigned char T1CON @ 0x10;   //TMR1控制寄存器
static volatile unsigned char TMR2 @ 0x11;   //定時/計數器TMR2
static volatile unsigned char T2CON @ 0x12;   //TMR2控制寄存器
static volatile unsigned char SSPBUF @ 0x13;   //收/發數據緩衝器
static volatile unsigned char SSPCON @ 0x14;   //同步串口控制寄存器,對MSSP模塊的功能和指標進行設置和定義。
static volatile unsigned char CCPR1L @ 0x15;   //捕獲/比較/PWM寄存器低位元組
static volatile unsigned char CCPR1H @ 0x16;   //捕獲/比較/PWM寄存器低位元組
static volatile unsigned char CCP1CON @ 0x17;   //CCP1CON寄存器
static volatile unsigned char RCSTA @ 0x18;   //USART接收控制兼狀態寄存器
static volatile unsigned char TXREG @ 0x19;   //USART發生緩衝器
static volatile unsigned char RCREG @ 0x1A;   //USART接收緩衝器
static volatile unsigned char CCPR2L @ 0x1B;   //捕獲/比較/PWM寄存器低位元組
static volatile unsigned char CCPR2H @ 0x1C;   //捕獲/比較/PWM寄存器低位元組
static volatile unsigned char CCP2CON @ 0x1D;   //CCP2CON寄存器
static volatile unsigned char ADRESH @ 0x1E;   //ADC轉換結果寄存器高位元組
static volatile unsigned char ADCON0 @ 0x1F;   //A/D轉換器開關位。

/* bank 1 registers */
static          unsigned char bank1 OPTION @ 0x81;  //選擇寄存器,用於配置TMR0/WDT預分頻係數、外部INT中斷、TMR0和埠B的弱上拉。
static volatile unsigned char bank1 TRISA @ 0x85;  //A口方向寄存器
static volatile unsigned char bank1 TRISB @ 0x86;  //B口方向寄存器
static volatile unsigned char bank1 TRISC @ 0x87;  //C口方向寄存器
#ifdef __PINS_40
static volatile unsigned char bank1 TRISD @ 0x88;  //D口方向寄存器
static volatile unsigned char bank1 TRISE @ 0x89;  //E口方向寄存器
#endif
static volatile unsigned char bank1 PIE1 @ 0x8C;  //中斷允許寄存器PIE1
static volatile unsigned char bank1 PIE2 @ 0x8D;  //中斷允許寄存器PIE2
static volatile unsigned char bank1 PCON @ 0x8E;  //電源控制狀態寄存器
static volatile unsigned char bank1 SSPCON2 @ 0x91;  //MSSP控制寄存器2
static volatile unsigned char bank1 PR2  @ 0x92;  //TMR2周期寄存器
static volatile unsigned char bank1 SSPADD @ 0x93;  //同步串口地址寄存器
static volatile unsigned char bank1 SSPSTAT @ 0x94;  //同步串口狀態寄存器
static volatile unsigned char bank1 TXSTA @ 0x98;  //USART發生控制兼狀態寄存器
static volatile unsigned char bank1 SPBRG @ 0x99;  //USART波特率發生器初值寄存器
static volatile unsigned char bank1 CMCON @ 0x9C;  //比較控制寄存器
static volatile unsigned char bank1 CVRCON @ 0x9D;  //比較電壓參考控制寄存器
static volatile unsigned char bank1 ADRESL @ 0x9E;  //ADC轉換結果寄存器低位元組
static volatile unsigned char bank1 ADCON1 @ 0x9F;  //ADC控制寄存器ADCON1

/* bank 2 registers */
static volatile unsigned char bank2 EEDATA @ 0x10C; //EEPROM數據寄存器低位元組
static volatile unsigned char bank2 EEADR @ 0x10D; //EEPROM地址寄存器低位元組
static volatile unsigned char bank2 EEDATH @ 0x10E; //EEPROM數據寄存器高位元組

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