External code memory for mega128

Log in or register to post comments
Go To Last Post
2 posts / 0 new
Author
Message
Jacob
Jacob's picture
Level: Site Admin
Joined: Mon. Apr 30, 2001
Posts: 43 View posts
Location: Trondheim, Norway
#1
Posted by Jacob: Wed. Jun 4, 2003 - 04:30 PM
  • 1
  • 2
  • 3
  • 4
  • 5
Total votes: 0

Hello

Have anyone tried to use external code memory (flash) with mega128?
Is it working well?

Thanks.

Jacob

Tags:

AVR Microcontrollers, megaAVR and tinyAVR, ATmega128
Top
lee
lee's picture
Level: Raving Lunatic
Joined: Mon. Jun 9, 2003
Posts: 2545 View posts
Posted by lee: Wed. Jun 4, 2003 - 04:50 PM
  • 1
  • 2
  • 3
  • 4
  • 5
Total votes: 0

No standard AVRs can use external code memory--only internal flash memory can hold instructions due to the architecture.

This has been discussed on the Forum many times before--search out the applicable threads.

Alternatives include a tokenized language with the program tokens fetched from external data storage and interpreted by a kernel in the flash memory of the AVR.

Lee

Top