Architecture,
Assembly
Language,
And
Hardware
Interfacing
(Paperback)
The Data Pointer (DPTR)
The Data
Pointer
(DPTR)
is the
8051’s
only
user-accessible
16-bit
(2-byte)
register.
The
Accumulator,
"R"
registers,
and "B"
register
are all
1-byte
values.
