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Implementing a Realtime Clock

From Silicon Laboratories, Inc.
 

 

The purpose of this note is to provide an example of how to add a real-time clock (RTC) feature to a C8051F00x or C8051F01x device. Example software is included at the end of this note.

Products & Services
Radio receiver ICs support worldwide radio band requirements, including frequency modulation (FM), FM radio data system (RDS), amplitude modulation (AM), long wave (LW), short wave (SW), and weather bands. Learn more about Radio Receiver ICs
Radio transmitter ICs are electronic devices that propagate radio frequency (RF) electromagnetic signals. They are used in high-end remote keyless entry systems, automatic meter reading devices, and building automation and industrial controls. Learn more about Radio Transmitter ICs
RF transmitters are electronic devices consisting of an oscillator, modulator, and other circuits that produce an RF signal. Search by Specification | Learn more about RF Transmitters
Network processors handle a wide array of tasks needed to support network systems, including routing, compression, encryption, authentication, and protocol conversion. Learn more about Network Processors
Specialty communications and wireless chips are specialty or proprietary products and accessories related to communications, wireless and telecommunications chip products. Learn more about Specialty Communications and Wireless Chips
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Topics of Interest
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In this application note, we discuss errors associated with low-cost watch crystals used in Real-Time Clock and Calendar (RTCC) applications and methods to overcome these errors. We also discuss a... (Read More)
Many applications require driving LEDs along with an interface to a keypad. Implementing such designs usually involves using up significant amounts of the processors I/O lines. This application note... (Read More)
R-S RDRAM (or Rambus DRAM) RDRAM is a type of main system memory developed by Rambus, Inc. that uses a packetized protocol to transfer data at speeds up to 600 MHz. Real-time Clock (RTC)... (Read More)
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