ماژول ساعت RTC PCF8563T MODULE I2C:
PCF8563 is a PHILIPS company has introduced an industrial I2C bus interface with a very low power consumption of a multifunctional clock / calendar system. PCF8563 a variety of alarm function, timer function, clock output function and interrupt output function to complete many complex time services, and even for the microcontroller to provide the watchdog function. It is an economical 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 battery in standby mode
1.0 ~ 5.5V wide voltage range.
This is very low power consumption: a typical value is 0.25uA
It’s through the serial I2C bus I / O
This programmable clock output frequency: 32.768KHz, 1024Hz, 32Hz, 1Hz.
* Four alarm and timer functions
It includes a reset circuit, an oscillator capacitor, and a power failure detection circuit
Open the trigger break output.
400KHZ read and write speed
Two, module interface description
On the left side of the battery, the mounting interface
Please note the installation direction according to the installation direction of the picture
Right INT interrupt output (usually unused)
Cot clock output (usually not used)
Clock interface SCL IIC MCU IO port
SDA IIC digital interface MCU IO port
Extraterrestrial ground GND module
VCC 3.3v-5v power interface