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PCF2123TS Datasheet(PDF) 3 Page - NXP Semiconductors |
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PCF2123TS Datasheet(HTML) 3 Page - NXP Semiconductors |
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3 / 54 page  PCF2123_1 © NXP B.V. 2008. All rights reserved. Product data sheet Rev. 01 — 19 November 2008 3 of 54 NXP Semiconductors PCF2123 SPI Real time clock/calendar 6. Block diagram Fig 1. Block diagram of PCF2123 001aah665 PCF2123 OSCILLATOR 32.768 kHz DIVIDER CLOCK OUT INTERRUPT CLKOUT CLKOE INT OFFSET FUNCTION OFFSET 0D MONITOR POWER ON RESET WATCH DOG SPI INTERFACE OSCI CE SCL SDI SDO OSCO VDD TEST VSS TIMER FUNCTION TIMER/CLKOUT CONTROL 0E COUNTDOWN TIMER 0F CONTROL CONTROL/STATUS 1 00 CONTROL/STATUS 2 01 TIME OS/SECONDS 02 VL/MINUTES 03 HOURS 04 DAYS 05 ALARM FUNCTION MINUTE 09 HOUR 0A DAY 0B WEEKDAY 0C WEEKDAYS 06 MONTHS 07 YEARS 08 |
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