Re: AW: MCF52235CAL60s on Ebay

Good day again Mark,

After reviewing the errata and the date codes on the part pouches, I 
believe the parts are of mask set 2M23E, as this was the first mask and 
there is only one PHY errata that is not addressed in the latest mask 
(3M23E).  Interestingly, other FEC and PHY errrata have still not been 
addressed even with the latest mask.

That being said, the issue is annoying, but can be addressed in one's 
firmware(stack).

Thanks for the heads up!

Cheers,

Sam


SECF025: EPHY Not Accepting Valid LTP Greater Than 100 ns

Errata type: Silicon
Affected component: EPHY

If a link partner's LTP is greater than 100 ns, using auto-negotiation, 
the EPHY does not recognize it. This results in a failure to auto-negotiate.

Description:
Disable auto-negotiation and configure the EPHY or link partner to 
operate in 100TX or 10BaseT mode.

Workaround:
Software implementation is available in the ColdFire_Lite stack, which 
is available at http://www.freescale.com/coldfire.

Fix plan: This erratum is fixed in devices labeled with the A suffix or 
3M23E mask.


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