Architecture,
Assembly
Language,
And
Hardware
Interfacing
(Paperback)
On-Chip Memory
As
mentioned
at the
beginning
of this
chapter,
the 8051
includes
a
certain
amount
of
on-chip
memory.
On-chip
memory
is
really
one of
two
types:
Internal
RAM and
Special
Function
Register
(SFR)
memory.
The
layout
of the
8051's
internal
memory
is
presented
in the
following
memory
map: