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AN_1232

Title:
AVR240: 4x4 Keypad-Wake Up on Keypress on tinyAVR and megaAVR devices
Name:
AN_1232
Date:
05/10/2019
Description:
This Application Note describes a simple interface to a 4 x 4 keypad designed for low-power battery operation, using a minimum of external components. The targeted device spends most of the time in Power-Down, only waking up when a key is pressed. It includes an assembly code written for AT90S1200.
Keywords:
Microchip, AVR, Microcontroller, megaAVR, tinyAVR, sleep mode, LED, Keypad, Low Power, Battery, AT90S1200
 
Application Notes & Source Code
 Last Updated
Size
 
  AN_1232
  05/10/2019
  66KB
  AN_1232 Source Code - This Application Note describes a simple interface to a 4 x 4 keypad designed for low power battery operation.
  01/02/2017
  2KB
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