Re: Linux board with 10 CANs

[Marc Kleine-Budde <mkl@pengutronix.de>]

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On 05/15/2015 02:38 PM, Gerhard Uttenthaler wrote:

>> Module based solutions are too expensive, whether it is PCIe or
>> USB. There are some bridge chips PCIe <-> memory, but i'm not
>> familiar with that. And you are right the SJA1000 is an old 5V
>> beast !

> Also a point to consider is that the speed you can read a SJA1000 chip
> is based on the clock frequency of this chip. And you have to
> read/write byte by byte. This may be too slow for 10 channels.

A local memory bus may be faster for single byte/word accesses than a
PCIe bus. I'm not a hardware guy, though :)

Marc

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