Digital clock design is a result of a Final-Year Project at SŠIEŘ Rožnov pod Radhoštěm (Czech Republic) as part of Maturita Exam. LK design includes hardware, circuit boards and software written in assembly language. All components are available in this repository.
Hardware
A custom architecture based on Intel Microcontroler i8051/MCS-51 (8-bit, 128B RAM, 4x 8-bit paraler ports, 24MHz). Seven-segment displays are controlled by additional drivers and their intensity is adjustable by a potentiometer on the back panel. Chassis was custom made by SSI Schäfer, s.r.o.
All Cirucit Boards are single-sided print:
LK01-16 - The seven-segment dispalys.
LK02-16 - The main board embeding microcontroller i8051 and Epson real-time chip RTC72421
LK03-16 - The board contains switches for time setting and a potentiometer for adjusting brigthness of the dispaly.
Software Software is developed in Assembly language for Intel microcontrolers series i8051/MSC-51. Insturction set and manuals are available at: http://web.mit.edu/6.115/www/document/8051.pdf