ST ST7 KEYPAD DECODING TECHNIQUES Application Note

Update: 30 September, 2023

This application note presents an example of the use of the HALT mode. In this application, the MCU (here a ST72251) is waked up by an external interrupt caused by someone pressed a key on the 4x4 matrixed keypad.


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Publication date: 09 August, 2012

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PDF Link: ST ST7 KEYPAD DECODING TECHNIQUES Application Note PDF

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