vijaya_narayana
Full Member level 3
hi every body
I need to save the values of r1,r2,r3,r4 upon power failure for this shoul i have to use an external memory or can the micro controller can retain data in the powerdown mode
the controller used is 89c51
I need to save the values of r1,r2,r3,r4 upon power failure for this shoul i have to use an external memory or can the micro controller can retain data in the powerdown mode
the controller used is 89c51