1. The controller also has real-time clock that can be set and modified.

2. This procedure for the MSP430 MCU and real-time clock interface HT1381 procedures, the use of C language.

3. However, in common embedded system, the real-time clock interrupt will wake up the CPU rapidly and periodically even there is no other devices' interrupt. That will increase system power consumption.

4. real-time clock, unit price, distance, and the total price display.

5. A real-time clock circuit(X1228)is applied to be an hourmeter, data memorizer and alarm in speedometer.

6. Use AT89S51 single chip and real-time clock integrated circuit DS1643, designed an electronic clock system, realized the date, time display and reported time.

7. The nonvolatile data memory, real-time clock, and watchdog functions of FM31256 chip were adopted by region fire alarm and control device to improve the system reliability.

8. At the same time, such as integrated communication interfaces, timers, real-time clock and other peripheral equipment.

9. The hardware includes keyboard input circuit, LCD display circuit, LED display circuit, RS-232 and RS485 communication circuit, real-time clock circuit, expanded memorizer circuit, etc.

10. After the examples are analyzed, there are problems which need to be solved such as ambiguity, real-time clock bias error and the estimate method of zenith wet delay.

11. The control circuit of the Kilowatt-hour meter consists mainly of the circuit of signal detection, real-time clock and control of output, and it also consists of 68HC705C8 single chip computer.

12. A new tool that can test the clock base frequency error of energy measuring devices and provide GPS standard time to calibrate real-time clock was introduced in this paper.

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13. The synthesized test system for underwater weapon system adopts a modularized structure with signal generator, A/D converter, D/A converter, real-time clock, printer and LCD screen.

14. Thirdly, research on LCD curve drawing algorithm, discontinuous point convergence algorithm, real-time clock algorithm, the background color image processing algorithms were made.

15. FRAM memory FM3164 is used to carry out the non-volatile memory of data and accurate real-time clock.

16. Hardware in this system is made up by data acquisition module, data storage module, data transport module, real-time clock, power supply and so on.

17. This instrument based on LPC932 as the key microprocessor to gather , deal with and store data, to control real-time clock, to complete the liquid crystal display and communication.

18. Provided are a method and apparatus for setting the time of a real-time clock included in a digital broadcast receiver.

19. A method is proposed to solve interrupting process of real-time clock.

20. In the monolithic integrated circuit all integrates has the timer, coordinates software to be allowed to take the system the time datum, constitutes a real-time clock.

21. This is a very practical integrated circuit of the real-time clock in the industrial control, detection and management of production.