Yahoo Groups archive

Lpc2000

Index last updated: 2026-04-28 23:31 UTC

Message

Re: LPC2106 port driving problem (now shortened post)

2005-05-04 by roger_lynx

--- In lpc2000@yahoogroups.com, Robert Adsett <subscriptions@a...> wrote:

 
> The result is always 1, any nonzero value logically ored with
another value 
> will result in a 1 by definition in C or C++.

Thanks. 
So much for the datasheet correctness in this already hazy area. Say
what you mean, mean what you say (Alice in Wonderland).
:-)

Could Philips write an app note on this topic?

> The only problems I'm aware of with IOSET/CLR are
>   - phasing, inherit with this method
>   - speed, not an issue for me but some people want to do fast bit
banging 
> through the ports.
>   - IIC pins (those that can be mapped to be IIC) do not pull up
even when 
> set high even when not used as IIC.

What is IIC pin?
Do all LPC parts behave the same way as far as the GPIO IOCLR/SET?

Thanks for your input.
:-)

--roger

Attachments

Move to quarantaine

This moves the raw source file on disk only. The archive index is not changed automatically, so you still need to run a manual refresh afterward.