各位前辈，本菜鸟刚上手学习PIC单片机，用的是 PIC16F877A，工具是MPLAB X IDE v5.45 配合 xc8-v2.30、和MCC4.1.0。
手头上有个例程，是用MPLAB IDE和PICC写的，我想用X IDE移植，现在编译成功、烧写都成功了，但是无法点亮LED。用例程的hex文件可以点亮LED，但是我移植的就不行。怀疑是晶振设置问题，但是各种配置都试过了，还是不行。各位前辈有什么经验吗？这个第一步我想只要跨过去了，后续应该就好办了。
如能赐教，感激不尽！
代码如下：
#pragma config FOSC = EXTRC // Oscillator Selection bits (RC oscillator)
#pragma config WDTE = OFF // Watchdog Timer Enable bit (WDT disabled)
#pragma config PWRTE = OFF // Power-up Timer Enable bit (PWRT disabled)
#pragma config BOREN = OFF // Brown-out Reset Enable bit (BOR disabled)
#pragma config LVP = OFF // Low-Voltage (Single-Supply) In-Circuit Serial Programming Enable bit (RB3 is digital I/O, HV on MCLR must be used for programming)
#pragma config CPD = OFF // Data EEPROM Memory Code Protection bit (Data EEPROM code protection off)
#pragma config WRT = OFF // Flash Program Memory Write Enable bits (Write protection off; all program memory may be written to by EECON control)
#pragma config CP = OFF // Flash Program Memory Code Protection bit (Code protection off)
#include <xc.h>
void main(void)
{
TRISD=0x00;
PORTD=0x01;
while(1)//
{
PORTD=0x01;
}
}
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