PCF8563T IIC Real Time Clock Module

PCF8563T IIC Real Time Clock Module

Product Code: ML-2105
Availability: In Stock
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Product Description

A, PCF8563 clock chip

PCF8563 is a PHILIPS company launched an industrial I2C bus interface with a very low power consumption of multi-functional clock / calendar chip. PCF8563 a variety of alarm function, timer function, clock output function and interrupt output function to complete a variety of complex timing services, and even for the microcontroller to provide watchdog function. It is a cost-effective clock chip, which has been widely used in the field of electric meters, water meters, gas meters, telephones, fax machines, portable instruments and battery powered instruments and meters.


Main performance index of PCF8563:

You can use the standby battery

Wide voltage range of 1.0~5.5V.

This ultra low power consumption: the typical value is 0.25uA

It through the I2C bus serial input / output

This programmable clock output frequency: 32.768KHz, 1024Hz, 32Hz, 1Hz.

* four alarm and timer function

It includes a reset circuit, oscillator capacitor and power failure detection circuit

Open drain interrupt output.

400KHZ read and write speed


module interface description

Left battery mounting interface

Pay attention to the installation direction, according to the direction of the image installation

Right INT interrupt output (generally not used)

COT clock output (generally not used)

SCL IIC clock interface MCU IO port

SDA IIC digital interface MCU IO port

The GND module of extraterrestrial grounding

VCC power supply interface 3.3v-5v

Package Include 1 x PCF8563T IIC Real Time Clock Module (battery CR1220 not included)

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