PCF8563BS/4,118 Integrated Circuits (ICs)

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The PCF8563BS/4,118 is a real-time clock device, a semiconductor integrated circuit of type “counter/timer”. It consists of a 16-bit real-time clock counter and a calendar which are integrated into a single chip. The device is capable of counting up to 60 minutes, 59 seconds, and works up to an impressive total of 120 hours.

Application Field

The PCF8563BS/4,118 is mainly used in the field of time-keeping and time-stamping applications. The device has a wide range of applications, including logging and time managing devices, such as digital clocks, gate opener controllers, time-based relay controllers, and alarm devices. In addition, the device can be used to implement time-controlled events and multiplexed displays, as well as in data logging systems and other process control systems that require accurate timing and/or time-keeping capabilities.

Working Principle

The PCF8563BS/4,118 works by providing a counter that keeps track of the current time and date, with resolution down to 1 second. The device uses an oscillator, running at 32 kHz, to keep accurate time and date. This oscillator is calibrated with either quartz crystal, ceramic resonator, or by direct connection to a quartz crystal, meaning that the device can keep time at an extremely accurate level, even in applications with variable temperatures. The device also provides a separate oscillator for seconds, which allows for millisecond or microsecond (down to 10 μs) time resolutions.

The PCF8563BS/4,118 also contains a configurable timer which can be used to configure an interrupt every XX minutes, seconds, or milliseconds, depending on the required application. This enables the device to be used in applications requiring periodic time-stamping or other time-controlled events.

The built-in calendar feature allows the device to keep track of the current date as well as the time. There are several ways in which the calendar can be programmed, such as setting the complete date including day and year, setting the exact day of week from the start of the month, or setting the offset from the start of the month in days. This feature makes the device suitable for applications requiring date-stamp capabilities.

Finally, the device contains several programmable control registers which are used to configure and control the device, as well as an oscillator control register which can be used to set the frequency of the oscillator. The device contains a power-saving low power mode which will power down the device when not in use.

In summary, the PCF8563BS/4,118 is a powerful and versatile real-time clock device with a wide range of applications. It is perfect for applications requiring exact time keeping and time stamping capabilities, or for process control or data-logging applications requiring periodic time based events.The device is economical and easy to use, and due to its low power mode and high accuracy can be used in a variety of different time related applications.

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