DS1340U-3

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The DS1340U-3 is a Real Time Clock (RTC) module that provides a versatile clock timing solution for both embedded and non-embedded applications. It is ideal for applications requiring accurate timing of events, such as data logging, data acquisition and other similar processes.

Application Field

The DS1340U-3 can be widely used in a wide variety of applications. Its versatile timing capabilities makes it suitable for embedded controllers, microcontrollers, computers, networking, automotive and other systems where time and date monitoring is required. It is also ideal for systems that need to track elapsed time or measure short time intervals, such as monitoring of vehicle speed, temperature, pressure and other real-time parameters.

Working Principle

The DS1340U-3 uses a 32 KHz quartz crystal for accurate timing purposes. It has an autonomous, highly accurate, and robust clock circuit with an advanced, low power, CMOS technology. The wide variety of timing functions includes: programmable alarms, calendar, event counter and battery backed accuracy. The clock can be programmed to any time format and can be used to measure elapsed time, perform alarms and other various functions.

The calendar function can be setup to measure small time intervals between two dates and can be programmed to support different time formats and display time formats, such as 12/24 hour among other features. The event counters are used to measure time by counting the external pulses received or the system clock pulse up to a maximum count. The alarm function can be programmed to alarm for only one day or weekends only. The battery backed accuracy ensures that the clock will continue to work even if power is lost. The DS1340U-3 also has a programmable configuration register, which allows for the various settings to be adjusted dynamically.

The DS1340U-3 is easy to integrate with a variety of system control and data logging systems. It has standard I2C bus, RS232 and USB communication interfaces. The I2C bus can be connected to any system that needs to track time with high accuracy. The RS232 and USB communication interfaces allow for simplified programming and debugging. Furthermore, the DS1340U-3 supports external interrupt pin and a temperature sensor, which allows the module to be integrated into virtually any system.

Summary

The DS1340U-3 is a highly accurate and robust Real Time Clock module ideal for embedded and non-embedded applications needing accurate timing of events. It is suitable for embedded controllers, microcontrollers, computers, networking, automotive, and other applications and systems where time and date monitoring is required. It has an autonomous clock circuit that uses a 32 KHz quartz crystal, programmable alarms, calendar, event counter, battery backed accuracy, and various other timing functions. The clock can be programmed to any time format and can be used for elapsed time tracking, performing alarms, and other functions. The DS1340U-3 is easy to integrate with a variety of systems due to its I2C, RS232, and USB communication interfaces.

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