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68300

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RE: [68300] Pullup resistors on Chip Select lines

2002-12-09 by Nitesh Bahekar (RBIN/EDC3) *

Some ambiguity in the previous mail.

I mean to say, We didn't pulled it high.

Regards, 
Nitesh.

> -----Original Message-----
> From: Nitesh Bahekar (RBIN/EDC3) * 
> [mailto:Nitesh.Bahekar@...]
> Sent: Monday, December 09, 2002 9:09 PM
> To: 68300@yahoogroups.com
> Subject: RE: [68300] Pullup resistors on Chip Select lines
> 
> 
> We didn't used that. I don't know why!
> 
> Regards, 
> Nitesh.
> 
> 
> > -----Original Message-----
> > From: avi koren [mailto:aviparker@...]
> > Sent: Monday, December 09, 2002 7:46 PM
> > To: 68300@yahoogroups.com
> > Subject: [68300] Pullup resistors on Chip Select lines
> > 
> > 
> > 
> > Greetings, this is my first email to this group.
> > 
> > The data sheet for the MC68LK332ACFC16 states that the CSx 
> > lines are held at a logic 1 during Reset and out of Reset the 
> > CSx lines default to however you drive the data bus during 
> > the Reset.  So if configured to be CSx it will continue to 
> > drive 1 until that address range has been accessed.  This 
> > suggests that Pull ups are NOT NEEDED.  Does anyone have a 
> > valid reason for why Pullups should still be utilized on the 
> > CSx lines.  
> > 
> > Thanks
> > 
> > Avi
> > 
> > 
> > 
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