Hi,

BUT ...

I think you could " re write " your project ... showing clearly what you want to do !!!

refresing your full display @ 200 Hz is not compulsory . 50/60 Hz is a classical value ... that leaves some time in between to do little other tasks ... while a digit is lit ...

You should Google around For the numerous ( ! ) alarm clock projects on the web ...

Difficult to help you not knowing what you want to do ....

Alain