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Pipelined High Performance

8-bit Microcontroller

ver 4.05

OVERVIEW

DP8051XP is a ultra high performance,

speed optimized

soft core of a single-chip 8-

bit embedded controller dedicated for opera-

tion with fast (typically on-chip) and slow (off-

chip) memories. The core has been designed

with a special concern about performance to

power consumption

ratio. This ratio is ex-

tended by an advanced power management

unit PMU.

DP8051XP soft core is 100% binary-

compatible with the industry standard 8051 8-

bit microcontroller. There are two configura-

tions of DP8051XP: Harward where internal

data and program buses are separated and

von Neumann

with common program and ex-

ternal data bus. DP8051XP has Pipelined

RISC architecture 10 times faster compared

to standard architecture and executes 85-200

million instructions

per second. This per-

formance can also be exploited to great advan-

tage in low power applications where the core

can be clocked over ten times more slowly

than the original implementation for no per-

formance penalty.

DP8051XP is fully customizable, which

means it is delivered in the exact configuration

to meet users’ requirements. There is no need

to pay extra for not used features and wasted

silicon.

It includes fully automated testbench

with complete set of tests allowing easy

package validation at each stage of SoC de-

sign flow.

CPU FEATURES

100% software compatible with industry

standard 8051

Pipelined RISC architecture enables to

execute instructions 10 times faster com-

pared to standard 8051

24 times faster multiplication

12 times faster addition

2 Data Pointers (DPTR) for faster memory

blocks copying

Advanced INC & DEC modes

Auto-switch of current DPTR

Up to 256 bytes of internal (on-chip) Data

Memory

Up to 64K bytes of internal (on-chip) or

external (off-chip) Program Memory

Up to 16M bytes of external (off-chip) Data

Memory

Synchronous eXternal Data Memory (SXDM)

Interface

User programmable Program Memory Wait

States solution for wide range of memories

speed

User programmable External Data Memory

Wait States solution for wide range of

memories speed

De-multiplexed Address/Data bus to allow

easy connection to memory