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UM10301
User Manual for NXP Real Time Clocks PCF85x3, PCF85x63,
PCA8565, PCF2123, and PCA21125
Rev. 2.1 — 23 July 2015
User manual
Document information
Info
Content
Keywords
PCF8563, PCF8583, PCF8593, PCA8565, PCF85263, PCF85363,
PCF85063, PCF2123, PCA21125, PCF2120, RTC, real time clock,
timekeeping, crystal, 32.768 kHz, backup.
Abstract
This user manual aims to assist a user of above mentioned Real Time
Clocks in achieving successful 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
PCA21125 have been taken into account.
