prevravanth
New Member
Hi,
I want to generate 100 Khz square wave output from the 80c51 using the crystal 11.059 Mhz.
But i am able to generate only 50 khz maximum,
can you correct my code for making 100 Khz
void main(void)
{
TMOD = 0x20;
TH1 = 0xFD;
SCON = 0x50; // for serial communication
EA = 1;
TR1 = 1;
TMOD=0x01;
TL0=0xFD; // TL0 Reload value
TH0=0xFF; // TH0 Reload value 50 Khz
ET0=1;
TR0=1; // Start Timer0
EA=1;
while(1)
{
}
}
void timer0() interrupt 1 // interrupt address is 0x000b
{
TF0 = 0; // reset interrupt flag
P0_1 = ~P0_1; // P3.4 toggle when interrupt.
TL0=0xFD; // TL0 Reload value
TH0=0xFF; // TH0 Reload value 50 Khz
}
Please help me
Thanks
I want to generate 100 Khz square wave output from the 80c51 using the crystal 11.059 Mhz.
But i am able to generate only 50 khz maximum,
can you correct my code for making 100 Khz
void main(void)
{
TMOD = 0x20;
TH1 = 0xFD;
SCON = 0x50; // for serial communication
EA = 1;
TR1 = 1;
TMOD=0x01;
TL0=0xFD; // TL0 Reload value
TH0=0xFF; // TH0 Reload value 50 Khz
ET0=1;
TR0=1; // Start Timer0
EA=1;
while(1)
{
}
}
void timer0() interrupt 1 // interrupt address is 0x000b
{
TF0 = 0; // reset interrupt flag
P0_1 = ~P0_1; // P3.4 toggle when interrupt.
TL0=0xFD; // TL0 Reload value
TH0=0xFF; // TH0 Reload value 50 Khz
}
Please help me
Thanks