MICROCHIP AN2648 Selecting and Testing 32.768 kHz Crystal Oscillators for AVR Microcontrollers User Guide
MICROCHIP AN2648 Selecting and Testing 32.768 kHz Crystal Oscillators for AVR Microcontrollers Introduction Authors: Torbjørn Kjørlaug and Amund Aune, Microchip Technology Inc. This application note summarizes the crystal basics, PCB layout considerations, and how to test a crystal in your…