Introduction - If you have any usage issues, please Google them yourself
The design for the intersection traffic light control system design, hardware components it to 8031 as the core, and on this basis, expanded program memory (EPROM) 2764, static data memory (SRAM) 6264, extended use of address latch 74LS373 I/O parallel interface chip 8255A. It combines the software part of the timer/counter and other knowledge to compile.