All trademarks mentioned in this document

http://www.DigitalCoreDesign.com

are trademarks of their respective owners.

http://www.dcd.pl

Copyright 1999-2003 DCD – Digital Core Design. All Rights Reserved.

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Phone & email support

LICENSING

Comprehensible and clearly defined licensing

methods without royalty fees make using of IP

Core easy and simply.

Single Design

license allows use IP Core in

single FPGA bitstream and ASIC implementa-

tion.

Unlimited Designs, One Year

licenses allow

use IP Core in unlimited number of FPGA bit-

streams and ASIC implementations.

In all cases number of IP Core instantiations

within a design, and number of manufactured

chips are unlimited. There is no time restriction

except One Year license where time of use is

limited to 12 months.

SYMBOL

prgdatai(7:0)

xramdatai(7:0)

prgdatao(7:0)

prgrd

xramdatao(7:0)

xramaddr(23:0)

xramrd

xramwr

sfroe

sfrwe

sfrdatao(7:0)

sfraddr(7:0)

ramoe

ramwe

ramdatai(7:0)

sfrdatai(7:0)

int0

int1

clk

reset

ramdatao(7:0)

ramaddr(7:0)

stop

pmm

xramdataz

docddatao

docdclk

docddatai

prgwr

prgaddr(15:0)

prgdataz

BLOCK DIAGRAM

ramdatai(7:0)

int0

int1

clk

reset

ramdatao(7:0)

ALU

Control Unit

Interrupt

Controller

Opcode

Decoder

Program

Memory

Interface

External

Memory

Interface

Power

Management

Unit

Internal Data

Memory

Interface

User SFR

Interface

DoCD™

Debug Unit

sfrdatai(7:0)

xramdatai(7:0)

prgdatai(7:0)

prgaddr(15:0)

docddatai

docddatao

docdclk

prgrd

xramwr

xramrd

xramaddr(23:0)

xramdatao(7:0)

ramwe

ramoe

sfrwe

sfroe

sfraddr(7:0)

sfrdatao(7:0)

pmm

stop

xramdataz

ramaddr(7:0)

prgwr

prgdatao(7:0)

prgdataz