P89V51RD2 and P89C51RD2 problem

[xxtigerxx]

i have a project written for p89c51rd2.
with this hex is worte a mcu P89V51RD2, and the mcu could not start?

Can u help me?

 

[C-Man]

Hi

try switching off the bootrom of 89V51RD2

Definition for FCF (Keil C51)
sfr FCF= 0xB1;

place this at the start of main()
FCF=1;

hope this helps

 

[wek]

xxtigerxx,

Come with this problem to the 8052.com Forum.

You should also be more specific what does your project do, what can be the hardware dependencies on the particular chip - specifically, whether you are using IAP.

JW

 

[xxtigerxx]

dear C-man,

i use BTasking
do you know khow i change these?

thanks in advance