4.2.1.

LED..............................................................................................................................25

4.2.2.

Mechanical Switch....................................................................................................... 25

4.2.3.

Crystal..........................................................................................................................25

4.2.4.

On-Board Debugger Implementation...........................................................................26

4.2.4.1.

On-Board Debugger Connections............................................................. 26

5.

Hardware Revision History and Known Issues..................................................................................... 27

5.1.

Identifying Product ID and Revision........................................................................................... 27

5.2.

Revision 3...................................................................................................................................27

5.3.

Revision 2...................................................................................................................................27

6.

Document Revision History...................................................................................................................28

7.

Appendix............................................................................................................................................... 29

7.1.

Schematic...................................................................................................................................29

7.2.

Assembly Drawing......................................................................................................................31

7.3.

Curiosity Nano Base for Click boards

™...................................................................................... 32

7.4.

Disconnecting the On-board Debugger......................................................................................33

7.5.

Getting Started with IAR.............................................................................................................34

The Microchip Website.................................................................................................................................37

Product Change Notification Service............................................................................................................37

Customer Support........................................................................................................................................ 37

Microchip Devices Code Protection Feature................................................................................................ 37

Legal Notice................................................................................................................................................. 37

Trademarks.................................................................................................................................................. 38

Quality Management System....................................................................................................................... 38

Worldwide Sales and Service.......................................................................................................................39

ATtiny1627

© 2020 Microchip Technology Inc.

User Guide

DS40002199A-page 3