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booting ROM from 8051

A

Ankur

Jan 1, 1970
0
hi,
I've got one microcontroller-AT89C51 but i cudn't arrange it's
programmer .
I've got one EPROM alongwith it's programmer and I wish to use it to
store the program i wish 2 use in the 8051.
I don't know how will the 8051 take boot from ROM . How shud it b
interfaced 2 the controller? Could ne1 please guide me on this or lead
me to a web-tutorial.

thnx,
ankur
 
R

Rich Grise

Jan 1, 1970
0
hi,
I've got one microcontroller-AT89C51 but i cudn't arrange it's
programmer .
I've got one EPROM alongwith it's programmer and I wish to use it to
store the program i wish 2 use in the 8051.
I don't know how will the 8051 take boot from ROM . How shud it b
interfaced 2 the controller? Could ne1 please guide me on this or lead
me to a web-tutorial.

thnx,
ankur
http://www.google.com/search?hl=en&ie=ISO-8859-1&q=8051+data+sheet&btnG=Google+Search
http://www.google.com/search?hl=en&lr=&ie=ISO-8859-1&q=8051+programmer+reference&btnG=Search
http://www.google.com/search?hl=en&lr=&ie=ISO-8859-1&q=8051+programming+guide&btnG=Search

You should be able to find a clue somewhere in that pile. :)
 
D

dont know

Jan 1, 1970
0
Ankur said:
hi,
I've got one microcontroller-AT89C51 but i cudn't arrange it's
programmer .
I've got one EPROM alongwith it's programmer and I wish to use it to
store the program i wish 2 use in the 8051.
I don't know how will the 8051 take boot from ROM . How shud it b
interfaced 2 the controller? Could ne1 please guide me on this or lead
me to a web-tutorial.

thnx,
ankur

wire the eprom or rom to the AT89C51 using Ports 0 and 2 as
addr and data bus. You will also need a latch 74HC373.
and wire the EA pin for external access=GND
In that case the AT89C51 flash memory will not be used.
 
G

Glenn Gundlach

Jan 1, 1970
0
hi,
I've got one microcontroller-AT89C51 but i cudn't arrange it's
programmer .
I've got one EPROM alongwith it's programmer and I wish to use it to
store the program i wish 2 use in the 8051.
I don't know how will the 8051 take boot from ROM . How shud it b
interfaced 2 the controller? Could ne1 please guide me on this or lead
me to a web-tutorial.

thnx,
ankur

IMHO, you'll need a bit more than a web-tutorial. The EPROM is almost
certainly a parallel data device meaning you'll need to understand the
hardware interconnections to even connct them together. You'll also
need an EPROM eraser before you can reprogram it. BTW, LEARN ENGLISH.
GG
 
K

Ken Taylor

Jan 1, 1970
0
Glenn Gundlach said:
[email protected] (Ankur) wrote in message

IMHO, you'll need a bit more than a web-tutorial. The EPROM is almost
certainly a parallel data device meaning you'll need to understand the
hardware interconnections to even connct them together. You'll also
need an EPROM eraser before you can reprogram it. BTW, LEARN ENGLISH.
GG

Don't be so ignorant - he got the message across, even to you.

Ken
 
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