Go to product viewer dialog for this item. is a compact, 20-pin microcontroller based on the classic 8051 architecture. Because of its small pin count and limited (2KB) flash memory, it is best suited for targeted, single-function utility devices rather than complex systems.
void main() TMOD = 0x51; // Timer0: counter mode 1, Timer1: timer mode 1 TH0 = 0; TL0 = 0; TR0 = 1; // start counter while(1) // Use Timer1 for 1 second delay TH1 = 0xFC; TL1 = 0x18; // 1ms initial TR1 = 1; // Wait 1000 times (1 second) // Then read counter value unsigned int freq = (TH0 << 8) at89c2051 projects
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Create a 24-hour clock using four 7-segment displays. Technical Challenges: Go to product viewer dialog for this item
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Here is a simple math example: $$x+5=10$$. void main() TMOD = 0x51; // Timer0: counter