I UM10301 User Manual for NXP Real Time Clocks PCF85x3 PCA8565 and PCF2123 PCA2125_ Rev 01 23 December 2008 User manual Document information Info Content Keywords PCF8563 PCF8573 PCF8583 PCF8593 PCA8565 PCF2123 PCA2125 PCF2120 RTC real time clock timekeeping crystal 32 768 khlz backup Abstract This application note aims to assist a user of above mentioned Real Time Clocks in achieving succesful design in and application It contains useful hin
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