currently doin on a proj, need a microcontroller with build in memory that used to store user's input(important to keep the data after off the system, but don wish to use eeprom)...n i found atmel 89c51 come with flash memory, can anyone tell me what does it means?is it suitable for me.n is there anyone know it's programmer...cheap n powerful...debugger as well...i m a begginer on this microcontroller...any help r welcome...