UM10301
User Manual for NXP Real Time Clocks PCF85x3, PCA8565
and PCF2123, PCA2125
Rev. 01 — 23 December 2008
Document information
Info
Content
PCF8563, PCF8573, PCF8583, PCF8593, PCA8565, PCF2123,
Keywords
PCA2125, PCF2120, RTC, real time clock, timekeeping, crystal,
32.768 kHz, backup.
This application note aims to assist a user of above mentioned Real Time
Abstract
Clocks in achieving succesful design-in and application. It contains useful
hints with respect to electrical schematic and PCB layout as well as code
examples for the well established NXP PCF8563 and related Real Time
Clocks. Also the more recent Real Time Clocks PCF2123 and PCA2125
have been taken into account.
User manual