premkumar9
Member
Hi,
I am using 89S52 in a traffic controller. I need a real time clock also. I can do it with the same uC. But I need the clock to run even when there is a power failure. What is the best method suggested?
I am using 89S52 in a traffic controller. I need a real time clock also. I can do it with the same uC. But I need the clock to run even when there is a power failure. What is the best method suggested?