可以的，需要配置IO口，其它和51单片机一样。
可以参考下。
#include "reg51.h"
sfr P0M1 = 0x93;
sfr P0M0 = 0x94;
sfr P1M1 = 0x91;
sfr P1M0 = 0x92;
sfr P2M1 = 0x95;
sfr P2M0 = 0x96;
sfr P3M1 = 0xb1;
sfr P3M0 = 0xb2;
sfr P4M1 = 0xb3;
sfr P4M0 = 0xb4;
sfr P5M1 = 0xC9;
sfr P5M0 = 0xCA;
sfr P6M1 = 0xCB;
sfr P6M0 = 0xCC;
sfr P7M1 = 0xE1;
sfr P7M0 = 0xE2;
sbit P00 = P0^0;
sbit P01 = P0^1;
sbit P02 = P0^2;
sbit P03 = P0^3;
sbit P04 = P0^4;
sbit P05 = P0^5;
sbit P06 = P0^6;
sbit P07 = P0^7;
sbit P10 = P1^0;
sbit P11 = P1^1;
sbit P12 = P1^2;
sbit P13 = P1^3;
sbit P14 = P1^4;
sbit P15 = P1^5;
sbit P16 = P1^6;
sbit P17 = P1^7;
sbit P20 = P2^0;
sbit P21 = P2^1;
sbit P22 = P2^2;
sbit P23 = P2^3;
sbit P24 = P2^4;
sbit P25 = P2^5;
sbit P26 = P2^6;
sbit P27 = P2^7;
sbit P30 = P3^0;
sbit P31 = P3^1;
sbit P32 = P3^2;
sbit P33 = P3^3;
sbit P34 = P3^4;
sbit P35 = P3^5;
sbit P36 = P3^6;
sbit P37 = P3^7;
sfr P4 = 0xC0;
sbit P40 = P4^0;
sbit P41 = P4^1;
sbit P42 = P4^2;
sbit P43 = P4^3;
sbit P44 = P4^4;
sbit P45 = P4^5;
sbit P46 = P4^6;
sbit P47 = P4^7;
sfr P5 = 0xC8;
sbit P50 = P5^0;
sbit P51 = P5^1;
sbit P52 = P5^2;
sbit P53 = P5^3;
sbit P54 = P5^4;
sbit P55 = P5^5;
sbit P56 = P5^6;
sbit P57 = P5^7;
sfr P6 = 0xE8;
sbit P60 = P6^0;
sbit P61 = P6^1;
sbit P62 = P6^2;
sbit P63 = P6^3;
sbit P64 = P6^4;
sbit P65 = P6^5;
sbit P66 = P6^6;
sbit P67 = P6^7;
sfr P7 = 0xF8;
sbit P70 = P7^0;
sbit P71 = P7^1;
sbit P72 = P7^2;
sbit P73 = P7^3;
sbit P74 = P7^4;
sbit P75 = P7^5;
sbit P76 = P7^6;
sbit P77 = P7^7;
void delay()
{
int i, j;
for (i=0; i<1000; i++)
for (j=0; j<500; j++);
}
void main()
{
P0M0 = 0x00;
P0M1 = 0x00;
P1M0 = 0x00;
P1M1 = 0x00;
P2M0 = 0x00;
P2M1 = 0x00;
P3M0 = 0x00;
P3M1 = 0x00;
P4M0 = 0x00;
P4M1 = 0x00;
P5M0 = 0x00;
P5M1 = 0x00;
P6M0 = 0x00;
P6M1 = 0x00;
P7M0 = 0x00;
P7M1 = 0x00;
P10 = 0;
delay();
P10 = 1;
P11 = 0;
delay();
P11 = 1;
P12 = 0;
delay();
P12 = 1;
P13 = 0;
delay();
P13 = 1;
P14 = 0;
delay();
P14 = 1;
P15 = 0;
delay();
P15 = 1;
P16 = 0;
delay();
P16 = 1;
P17 = 0;
delay();
P17 = 1;
// P30 = 0; //P3.0/P3.1为仿真口和USB下载口时不可演示
// delay();
// P30 = 1;
// P31 = 0;
// delay();
// P31 = 1;
P32 = 0;
delay();
P32 = 1;
P33 = 0;
delay();
P33 = 1;
P34 = 0;
delay();
P34 = 1;
P35 = 0;
delay();
P35 = 1;
P36 = 0;
delay();
P36 = 1;
P37 = 0;
delay();
P37 = 1;
P20 = 0;
delay();
P20 = 1;
P21 = 0;
delay();
P21 = 1;
P22 = 0;
delay();
P22 = 1;
P23 = 0;
delay();
P23 = 1;
P24 = 0;
delay();
P24 = 1;
P25 = 0;
delay();
P25 = 1;
P26 = 0;
delay();
P26 = 1;
P27 = 0;
delay();
P27 = 1;
P00 = 0;
delay();
P00 = 1;
P01 = 0;
delay();
P01 = 1;
P02 = 0;
delay();
P02 = 1;
P03 = 0;
delay();
P03 = 1;
P04 = 0;
delay();
P04 = 1;
P05 = 0;
delay();
P05 = 1;
P06 = 0;
delay();
P06 = 1;
P07 = 0;
delay();
P07 = 1;
P40 = 0;
delay();
P40 = 1;
P41 = 0;
delay();
P41 = 1;
P42 = 0;
delay();
P42 = 1;
P43 = 0;
delay();
P43 = 1;
P44 = 0;
delay();
P44 = 1;
P45 = 0;
delay();
P45 = 1;
P46 = 0;
delay();
P46 = 1;
P47 = 0;
delay();
P47 = 1;
P50 = 0;
delay();
P50 = 1;
P51 = 0;
delay();
P51 = 1;
P52 = 0;
delay();
P52 = 1;
P53 = 0;
delay();
P53 = 1;
P54 = 0;
delay();
P54 = 1;
P55 = 0;
delay();
P55 = 1;
P56 = 0;
delay();
P56 = 1;
P57 = 0;
delay();
P57 = 1;
P60 = 0;
delay();
P60 = 1;
P61 = 0;
delay();
P61 = 1;
P62 = 0;
delay();
P62 = 1;
P63 = 0;
delay();
P63 = 1;
P64 = 0;
delay();
P64 = 1;
P65 = 0;
delay();
P65 = 1;
P66 = 0;
delay();
P66 = 1;
P67 = 0;
delay();
P67 = 1;
P70 = 0;
delay();
P70 = 1;
P71 = 0;
delay();
P71 = 1;
P72 = 0;
delay();
P72 = 1;
P73 = 0;
delay();
P73 = 1;
P74 = 0;
delay();
P74 = 1;
P75 = 0;
delay();
P75 = 1;
P76 = 0;
delay();
P76 = 1;
P77 = 0;
delay();
P77 = 1;
while (1)
{
P0 = 0x00;
delay();
P0 = 0xff;
P1 = 0x00;
delay();
P1 = 0xff;
P3 = 0x03; //P3.0/P3.1为仿真口和USB下载口时不可演示
delay();
P3 = 0xff;
P2 = 0x00;
delay();
P2 = 0xff;
P4 = 0x00;
delay();
P4 = 0xff;
P5 = 0x00;
delay();
P5 = 0xff;
P6 = 0x00;
delay();
P6 = 0xff;
P7 = 0x00;
delay();
P7 = 0xff;
}
}
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