Part Number
|
PCF2123 |
Manufacturer
|
NXP Semiconductors |
Description
|
SPI Real time clock/calendar |
Published
|
Mar 13, 2010 |
Detailed Description
|
PCF2123
SPI Real time clock/calendar
Rev. 6 — 15 July 2013
Product data sheet
1. General description
The PCF2123 is a ...
|
Datasheet
|
PCF2123
|
Overview
PCF2123
SPI Real time clock/calendar
Rev.
6 — 15 July 2013
Product data sheet
1.
General description
The PCF2123 is a CMOS1 Real-Time Clock (RTC) and calendar optimized for low power applications.
Data is transferred serially via a Serial Peripheral Interface (SPI-bus) with a maximum data rate of 6.
25 Mbit/s.
An alarm and timer function is also available providing the possibility to generate a wake-up signal on an interrupt pin.
An offset register allows fine tuning of the clock.
2.
Features and benefits
Real time clock provides year, month, day, weekday, hours, minutes, and seconds based on a 32.
768 kHz quartz crystal
Low backup current while running: typical 100 nA at VDD = 2.
0 V and...
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