I am newer to c8051f120. My problem is that i wrote the 4 bit LCD code its work nicly .When i switch off and switch ON the supply to devlopment board its giving error o/p i.e undefined symbole but once again i reset the microcontroller using hardware reset pin it gives correct output.What is the problem
Check feasibility,
Hi,
Also,check xdata initialization.if you are not initialized it,please initialize with right values for xdata variables or registers.
Shahul