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Aparently there is a new revision of ATtiny2313, called ATtiny2313A. This document describes the differences.

The ATtiny2313A is a functionally i dentical, drop-in replacement for the ATtiny2313. All devices are subject to t he same qualification process and same set of production tests, but as the manufac turing process is not the same some electrical characteristics differ.

Amongst other things there are more Pin Change input pins and interrupts as you already noticed.

Ensure that you selected the correct controller type in AtmelStudio, that is including the trailing A in 2313A. And ensure the physical device is an A-version too.

Apparently there is a new revision of ATtiny2313, called ATtiny2313A. This document describes the differences.

The ATtiny2313A is a functionally identical, drop-in replacement for the ATtiny2313. All devices are subject to the same qualification process and same set of production tests, but as the manufacturing process is not the same some electrical characteristics differ.

Amongst other things there are more Pin Change input pins and interrupts as you already noticed.

Ensure that you selected the correct controller type in Atmel Studio, that is including the trailing A in 2313A, and ensure the physical device is an A-version too.

Aparently there is a new revision of ATtiny2313, called ATtiny2313A. This document describes the differences.

The ATtiny2313A is a functionally i dentical, drop-in replacement for the ATtiny2313. All devices are subject to t he same qualification process and same set of production tests, but as the manufac turing process is not the same some electrical characteristics differ.

Amongst other things there are more Pin Change input pins and interrupts as you already noticed.

Ensure that you selected the correct controller type in AtmelStudio, that is including the trailing A in 2313A.

Aparently there is a new revision of ATtiny2313, called ATtiny2313A. This document describes the differences.

The ATtiny2313A is a functionally i dentical, drop-in replacement for the ATtiny2313. All devices are subject to t he same qualification process and same set of production tests, but as the manufac turing process is not the same some electrical characteristics differ.

Amongst other things there are more Pin Change input pins and interrupts as you already noticed.

Ensure that you selected the correct controller type in AtmelStudio, that is including the trailing A in 2313A. And ensure the physical device is an A-version too.

Aparently there is a new revision of ATtiny2313, called ATtiny2313A. This document describes the differences.

The ATtiny2313A is a functionally i dentical, drop-in replacement for the ATtiny2313. All devices are subject to t he same qualification process and same set of production tests, but as the manufac turing process is not the same some electrical characteristics differ.

Amongst other things there are more Pin Change input pins and interrupts as you already noticed.

Aparently there is a new revision of ATtiny2313, called ATtiny2313A. This document describes the differences.

The ATtiny2313A is a functionally i dentical, drop-in replacement for the ATtiny2313. All devices are subject to t he same qualification process and same set of production tests, but as the manufac turing process is not the same some electrical characteristics differ.

Amongst other things there are more Pin Change input pins and interrupts as you already noticed.

Ensure that you selected the correct controller type in AtmelStudio, that is including the trailing A in 2313A.