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DP8051CPU Datasheet

  • DP8051CPU

  • Pipelined High Performance 8-bit Microcontroller

  • 10頁(yè)

  • DCD

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DP8051CPU
Pipelined High Performance
8-bit Microcontroller
ver 4.02
OVERVIEW
DP8051CPU is an
ultra high perform-
ance, speed optimized
soft core of a single-
chip 8-bit embedded controller dedicated for
operation with
fast
(typically on-chip) and
slow
(off-chip)
memories.
The core has been de-
signed with a special concern about
perform-
ance to power consumption
ratio. This ratio
is extended by an advanced power manage-
ment unit
PMU.
DP8051CPU soft core is 100% binary-
compatible with the industry standard 8051 8-
bit microcontroller. There are two configura-
tions of DP8051CPU:
Harward
where internal
data and program buses are separated, and
von Neumann
with common program and ex-
ternal data bus. DP8051CPU 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.
DP8051CPU is delivered with
fully auto-
mated testbench
and
complete set of tests
allowing easy package validation at each stage
of SoC design flow.
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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
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
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
Dedicated signal for Program Memory
writes.
Interface for additional Special Function
Registers
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All trademarks mentioned in this document
are trademarks of their respective owners.
http://www.DigitalCoreDesign.com
http://www.dcd.pl
Copyright 1999-2007 DCD 鈥?Digital Core Design. All Rights Reserved.

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