AN54439 - PSoC 3 and PSoC 5LP External Crystal Oscillators | Cypress Semiconductor
AN54439 - PSoC 3 and PSoC 5LP External Crystal Oscillators
AN54439 describes how to use an external crystal or ceramic resonator at 32.768 kHz or in the 4-25 MHz range with PSoC® 3 or PSoC 5LP. External crystal oscillators provide more accurate clock signals than the oscillators built into the PSoC 3 and 5LP devices. These devices also include a wide range of clock dividers, PLLs, and a clock distribution network that is covered in the AN60631 PSoC ® 3 or PSoC 5LP Clocking Resources application note.
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