DS1339AU+T

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DS1339AU+T is a real-time clock module that uses popular Dallas/Maxim Serial Real Time Clocks as its main clock source. The DS1339AU+T features low power consumption, low power supply voltage, increased accuracy, high speed operations and an optional temperature output. With its small size and low-cost design, it is a popular choice for wide varieties of applications requiring accurate and reliable timing.

The DS1339AU+T features an onboard ultra-low power Real Time Clock chip, the Maxim DS1339, which allows it to keep track of time even when the power is removed. It has a standard battery backup facility for power outage protection, making it suitable for applications in environments where power interruptions are common. The DS1339AU+T also has a built-in crystal oscillator to provide a very accurate clock pulse.

The application fields for DS1339AU+T real time clock module include server and network applications, automotive applications, industrial control applications, home security and automation applications, precision timekeeping applications, medical devices, scientific instruments and a variety of other time and date related devices. It is an ideal solution for applications requiring accurate and reliable timing.

The working principle of DS1339AU+T is relatively simple. The onboard clock chip has an internal quartz oscillator, which provides the main clock pulse. On the board are also GPIO pins, dedicated to external interrupts, timer/counters, I2C and other signals. These GPIO pins allow the board to communicate with other external circuits. The power supply voltage for the board is 3.3V, which allows for a wide range of I/O voltages.

The clock chip keeps track of the time conveyed by the quartz oscillator, converting it into hours and minutes. The internal registers of the chip are set up to store the current time, and can be updated by the user through the I2C bus. Once the time is set, it can be used to generate the required clock signal, which can be used to control other devices or generate alarms.

Temperature can also be monitored with the DS1339AU+T board. The DS1339 chip has an on-board thermistor, which can be used to measure and store the temperature in its internal storage registers. Through the I2C bus, the temperature readings can be read by the user, who can then use them for applications where temperature data is critical.

In summary, the DS1339AU+T real-time clock module is a convenient and low-cost solution for a variety of timing and temperature related applications, offering accurate and reliable timing with low power consumption. With its internal quartz oscillator and GPIO pins for communication, the DS1339AU+T is a key component for applications ranging from automotive to industrial control and precision timekeeping.

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