hi everyone, we are using at89c51rc2.Till now we were programming the flash using flip through serial port.Now i need to make user bootloader.Data sheet says that there will be an application program which calls API's inturn programs flash.My question is where will be the application program running?where will be my .hex file to be programmed in flash?What is the maximum size that i can program?Please someone help me as early as possible. regards, ubaid