[En-Nut-Discussion] RFC: Ethernut IDE/CF Interface

[Alessandro Zummo]

On Wed, 21 Jan 2004 11:42:25 +0100
Harald Kipp <harald.kipp at egnite.de> wrote:

> 
> The final idea is now to use one dedicated CPLD
> for the CF interface and one for the IDE drives.
> The IDE would use a 5V CPLD and the CF interface
> would be attached to a 3.3V TTL tolerant type.
> But I'm not sure, if this is really required
> or if both interface could use a single CPLD.

 There are some CPLDs from Xilinx which are capable of 
 having different IO voltages on different IO blocks.

 Maybe you could use one of those...


-- 

 Best regards,

 Alessandro Zummo,
  Tower Technologies - Turin, Italy

  http://www.towertech.it