Re: WL1271: WLAN_IRQ not working

[Troy Kisky <troy.kisky@boundarydevices.com>]

On 6/30/2011 12:20 PM, Krakowski, Oz wrote:
> Troy,
> On Thu, Jun 30, 2011 at 2:05 PM, Troy Kisky
> <troy.kisky@boundarydevices.com> wrote:
>> On 6/29/2011 11:24 PM, mangesh gadre wrote:
>>> Hi,
>>>
>>> Please check if your wifi enable pin is in right state. secondly check if
>>> regulator section of your chip is actually powering up wifi internal core .
>>> check your circuit against standard ref circuit.
>>> I have seen similar issue and there was some resistor missing in feedback
>>> path of volatge regulator output path from chip. Most probably wifi section
>>> of your chip is not powered up.
>>
>> I think the problem is solved, but can you point me to a "standard ref
>> circuit" for TiWiR2. Maybe, I can avoid future problems.
> 
> For the benefit of everyone, can you share what was the issue?
> 
> Thanks,
> Oz.

I think missing level shifters were the problem. It will be a little
while before I can test revised hardware though.

Troy