Chapter 2
SWRU191C–April 2009– Revised January 2012
8051 CPU
The System-on-Chip solution is based on an enhanced 8051 core. More details regarding the core,
memory map, instruction set, and interrupts are described in the following subsections.
Topic ........................................................................................................................... Page
2.1 8051 CPU Introduction ....................................................................................... 28
2.2 Memory ............................................................................................................ 28
2.3 CPU Registers .................................................................................................. 37
2.4 Instruction Set Summary .................................................................................... 39
2.5 Interrupts ......................................................................................................... 43
27
SWRU191C–April 2009–Revised January 2012 8051 CPU
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