Programming of Attiny202 and CS pin

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metRo_
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Posted by metRo_: Mon. Sep 30, 2019 - 09:40 AM
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Hi,
 
If I want to use SPI of attiny202 do I need to use a 12V programmer?

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AVR Microcontrollers, megaAVR and tinyAVR, solved
Last Edited: Fri. Oct 11, 2019 - 02:24 PM
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Moe123
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Posted by Moe123: Mon. Sep 30, 2019 - 10:58 AM
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Broadly speaking,No. Unless you change the settings for the UPDI fuses then you will not be able to access/program your chip without a 12V signal. the Tiny202 is a 0 series...therefore there you should read the discussion in the tutorial forum "Getting started with 1/0 series". or simply check the documents section of ATtiny202 MC page.

 

 

EDIT:

Getting started with SPI:

http://ww1.microchip.com/downloa...

 

 

Last Edited: Mon. Sep 30, 2019 - 12:16 PM
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Kevil
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Posted by Kevil: Sat. Jan 11, 2020 - 11:43 PM (Reply to #2)
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You can easily program ATtiny202 with MPLAB Snap tool in the MPLAB X IDE. Modify MPLAB Snap tool according to ETN36_MPLAB Snap AVR Interface Modification and slow down the UPDI speed to 0.300 MHz. It works fine with 3.3 Volts.

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