Re: [avrdude-dev] avrftdi TPI support

[Hannes Weisbach]

Am 03.05.2013 um 09:26 schrieb Joerg Wunsch:

> As Joerg Wunsch wrote:
> 
>> Other AVRs require the HV on /RESET to be in the range of 11.5 through
>> 12.5 V.  You have to measure the current consumption, but after all,
>> this is a MOS input only, so I wouldn't expect it to draw much beyond
>> of about 1 µA.
> 
> Actually, it's more.  I measured about 550 µA @ 12 V, but with a
> few 100 mV more, it could be about 2 mA already.
Hm. Too much current to supply from TPICLK (it's not running continuously). 
Well, a ring oscillator/voltage tripler, then.

Hannes