Thread: CPLD + CAN bus
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Old 11-29-2004, 03:54 PM
Antti Lukats
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Default Re: CPLD + CAN bus

"Aurelian Lazarut" <[email protected]> wrote in message
news:cofagb$[email protected]..
> Hi Antti,
>
> Antti Lukats wrote:
>
> >"Falk Salewski" <[email protected]> wrote in message
> >news:[email protected]..
> >
> >
> >>Thanks for the reply!
> >>
> >>I realized four 8bit counters in the CPLD and just want to send this
> >>information (4Byte) via the CAN-Bus, lets say all 100ms. Right know I am
> >>
> >>

> >not
> >
> >
> >>thinking wether this is the optimal solution but if it is possible

without
> >>an aditional uC (Project at university)
> >>I will have a look if I can store enough information in the CPLD for the
> >>initialization of the SJA1000 chip...
> >>
> >>

> >
> >http://ww1.microchip.com/downloads/e...Doc/21801b.pdf
> >
> >Quiz: How many macrocells is needed to initialize MMC card (nonSPI mode)

and
> >configure and FPGA from bitstream file on the card?
> >
> >Answer: 20 PLD macrocells!
> >
> >http://www.openchip.org/bootx/xmsmmc.html
> >
> >

> No file system support (I assume) and no partition support. How do you
> write the bitstream as row data ?
> cheers,
> Aurash


KISS

format the MMC card, then copy download.bit to the card! thats it. simple as
that.
if once written can be overwritten without the need to format the card.

Of course I do have some utilities to write directly to the card (in hidden
area) too, but those arent even necessary

Antti








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