help to store data in flash memory in 89v51rd2

i need to store some data in flash memory.can any one help me....
help to store data in flash memory in 89v51rd2

i need to store some data in flash memory.can any one help me....
How to write data in Flash data memory?

Dear Sir, I am using ADUC841 microcontroller from Analog devices,which consists of 8052 core.In this it is having 4Kbytes of Flash data memory.I wrote the routines as mentioned in application note...
How to write data in Flash data memory?

Dear Sir, I am using ADUC841 microcontroller from Analog devices,which consists of 8052 core.In this it is having 4Kbytes of Flash data memory.I wrote the routines as mentioned in application note...
How write constant data in code memory??

I try to write a constant data in code memory, and when I try : ?co?Data_name?Module_name(address) In the linker segment option, I have a link error (can't find segment). But when I try with a fuction...