Description: Based on 51 single-chip programming stopwatch 1. Designed to: (1) the use of single-chip timer interrupt and the timer means counts seconds, minutes from time to time. (2) through the LED display adjust procedures, familiar with the 8155 and 8051,8155 and LED interface technology, familiar with the LED dynamic display of the control process. (3) through the keyboard adjust procedures, familiar with the 8155 with keyboard matrix interface technology, familiar with the keyboard scanning principle. (4) By reading and debugging the whole process simple stopwatch, learn how to prepare with LED dynamic display, the keyboard scanning and a variety of functions such as timers interrupt the General procedure, the initial experience of large-scale procedures for the preparation and debugging skills.
- [digitalstopwatchcurriculumdesign.Rar] - stopwatch curriculum design process, all
- [dpjplj] - microcontroller design of the digital fr
- [KeyBorad2] - 8155 keyboard and display program, run b
- [8155Clock] - 8155 to do electronic clock, on the scho
- [Stopwatchdesign] - This is based on the 51 SCM procedures s
- [SHIZHONG] - 4 connected LED control procedure is to
- [8155] - 8155 as a 51 SCM Experimental Example IO
- [8155_1] - E-bell design report, plans and pcb cont
- [kkkk] - To ADC0809 and 8051 as the core of the s
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