Department of Computer Scien

ce and Information Engineering

National Cheng Kung University, TAIWAN

HANEL

ACCESSING CODE ROMRAM Data Space Usage by 8051 C Compiler

‰The 8051 C compiler allocates RAM locations

¾Bank 0

– addresses 0

–^7

¾Individual variables

– addresses 08 and

beyond¾Array elements

– addresses right after

variablesƒArray elements need contiguous RAM locations and that limits the size of the array due to the fact that we have only 128 bytes of RAM for everything¾Stack

– addresses right after array

elements