Lpc2000

> How about DMA controller (say 4 channel) period.?
>
> But while we're on the subject of crappy or non existent peripherals...
>
> What we really want in terms of Serial ports, Sensible  I/O 
> configuartion, is something more like what Hitachi (Renesas) have 
> always had (SH1, SH2 H8/300H etc). The peripherals are rich, extremely 
> flexible, and always perform 100% as per data sheet - they are always 
> logically thought out. You can start reading a section on a particular 
> peripheral, and guess the rest, because the design is designed by 
> engineers who care. The peripherals are beautiful. On most Renesas 
> MCUs  you can DMA from any peripheral to any other. I've worked on 
> many (approx 20)  H8/500 H8/300H, SH7032 SH7043 SH7709 projects and I 
> can't remember a single erata sheet. The chips must have been tested 
> to death, and were a dream to work with. My experience with Philips is 
> a lot different, but I am told, 'well that's just Philips for you, If 
> you want chips that work as per manual, and are well documented, stick 
> with Hitachi...'
>
> But...the LPC2xxx is temping for new designs, because of lower cost, 
> and of course they're based on ARM - you can always migrate to other 
> ARMs without wasting too much of  your investment in tools, time, and 
> energy.
>
> The ideal chip:  ARM core but with Renesas style peripherals.
>
> If Renesas ever launched a new family of MCU with ARM cores, eveyone 
> other supplier would get a run for their money...
>
> Jane
>
> Robert Adsett wrote:
>
>> At 02:10 PM 4/14/05 -0500, Bill Knight wrote:
>> >One small feature I would like is to have an interrupt generated as
>> >the THRE interrupt is enabled, if the THRE bit is already set.  This
>> >allows characters to be placed into an ouput queue and the THRE
>> >interrupt enabled as a means of both starting a transmission as well
>> >as adding characters to a transmission in progress.  It also allows
>> >the forground process to do it without ever disabling global
>> >interrupts.
>>
>> While we're at it, how about a pseudo-DMA process to deal with the
>> I/O?  That would reduce/eliminate the need for FIFO's.
>>
>> Robert
>>
>> " 'Freedom' has no meaning of itself.  There are always 
>> restrictions,   be
>> they legal, genetic, or physical.  If you don't believe me, try to 
>> chew a
>> radio signal. "  -- Kelvin Throop, III
>> http://www.aeolusdevelopment.com/
>>
>
>