On Fri, 26 Feb 2021 14:32:14 -0000 (UTC)
Martin Gregorie  wrote:

>On Fri, 26 Feb 2021 05:17:11 +0000, A. Dumas wrote:
>
>> There are 16 pwm channels on the rp2040 chip which can be connected to
>> any gpio. I'm sure that's still the same on the Tiny. So you have at
>> least 8 pwm pins, or 11 if you count the rgb led. Not sure if the 4 adc
>> pins can be reconfigured to be digital pwm, but I don't think so.
>>
>Thanks for the correction - I just looked at the pretty picture and, not
>seeing PWM among all the other coloure blobs, thought it wasn't available.
>
>> (The Tiny has one more adc pin than the Pico because it lacks the
>> buck-boost and hence the need to monitor the input voltage. Like
>> (many/all/most?) small mcus, by the way, there is just one adc and the 4
>> pins are multiplexed.)
>>
>Does this mean that, if I put 5v on pin 1 I'll see 3.3v on pin 3, but the
>reverse doesn't happen?

That was the impression I got, doing a fairly rapid skim of the data.

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W J G

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