Google Groups Home
Help | Sign in
problem interfacing scv64 with mc68332
There are currently too many topics in this group that display first. To make this topic appear first, remove this option from another topic.
There was an error processing your request. Please try again.
flag
  4 messages - Collapse all
The group you are posting to is a Usenet group. Messages posted to this group will make your email address visible to anyone on the Internet.
Your reply message has not been sent.
Your post was successful
bca  
View profile
 More options Jan 30, 7:29 am
Newsgroups: comp.arch.bus.vmebus
From: bca <bchandraadi...@gmail.com>
Date: Wed, 30 Jan 2008 04:29:50 -0800 (PST)
Local: Wed, Jan 30 2008 7:29 am
Subject: problem interfacing scv64 with mc68332
Hi,
  We have designed a board with MC68332 16 bit micro controller
interfacing with scv64.Since scv 64 is 32 bit register access, higher
data lines of it are interfaced with latch implementation,writing the
registers by one extra 16 bit write cycle with this
configuration .Using BDM(debugging tool) ,application is dumped into
flash and running  from flash VME accessing is fine,but when we are
not using the tool and boot from flash then VME accessing is giving
problem.In this condition what we observed is VME mode register and
some other registers are getting corrupted.
(Power on reset sp705 output is connected to micro controller reset
and scv64 power on reset. scv 64 external reset is pulled up with 10 k
resistor.)

we are stuck up at this condition.
please some one provide us with solution or any kind of help is
appreciated .

pl. can reply to bchandraaditya @gmail.com also.


    Reply to author    Forward  
You must Sign in before you can post messages.
To post a message you must first join this group.
Please update your nickname on the subscription settings page before posting.
You do not have the permission required to post.
Scott Newell  
View profile
 More options Feb 2, 2:27 pm
Newsgroups: comp.arch.bus.vmebus
From: Scott Newell <new...@cei.net>
Date: Sat, 02 Feb 2008 13:27:41 -0600
Local: Sat, Feb 2 2008 2:27 pm
Subject: Re: problem interfacing scv64 with mc68332

Does your BDM tool do any CPU register configuration,
such as the chip selects and wait states?  If so, you may not
have everything configured in your flash resident program.

--
newell  N5TNL


    Reply to author    Forward  
You must Sign in before you can post messages.
To post a message you must first join this group.
Please update your nickname on the subscription settings page before posting.
You do not have the permission required to post.
bca  
View profile
 More options Feb 4, 1:20 am
Newsgroups: comp.arch.bus.vmebus
From: bca <bchandraadi...@gmail.com>
Date: Sun, 3 Feb 2008 22:20:19 -0800 (PST)
Local: Mon, Feb 4 2008 1:20 am
Subject: Re: problem interfacing scv64 with mc68332
yes we are using bd32 tool and it can do these opertions we are
loading a ini file with all scv64 register intialisations and using
this tool wen we boot its fine but removing this tool its not booting
from flash.does using bd32 effect the hardware so that output occurs
and wen removing it shud we change some hardware. pl. tell me the
diffrence.

    Reply to author    Forward  
You must Sign in before you can post messages.
To post a message you must first join this group.
Please update your nickname on the subscription settings page before posting.
You do not have the permission required to post.
Scott Newell  
View profile
 More options Feb 4, 8:22 pm
Newsgroups: comp.arch.bus.vmebus
From: Scott Newell <new...@cei.net>
Date: Mon, 04 Feb 2008 19:22:54 -0600
Local: Mon, Feb 4 2008 8:22 pm
Subject: Re: problem interfacing scv64 with mc68332

bca wrote:

> yes we are using bd32 tool and it can do these opertions we are
> loading a ini file with all scv64 register intialisations and using
> this tool wen we boot its fine but removing this tool its not booting
> from flash.does using bd32 effect the hardware so that output occurs
> and wen removing it shud we change some hardware. pl. tell me the
> diffrence.

Configure the scv64 from code, instead of from the bd32 .ini file.

    Reply to author    Forward  
You must Sign in before you can post messages.
To post a message you must first join this group.
Please update your nickname on the subscription settings page before posting.
You do not have the permission required to post.
End of messages
« Back to Discussions « Newer topic     Older topic »

Create a group - Google Groups - Google Home - Terms of Service - Privacy Policy
©2008 Google