Grove High Precision RTC

Grove High Precision RTC

R 277.94
SKU:
102020083

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The Grove – High Precision Real-time counter is an extremely precise and low-consumption RTC for Arduino projects. If your application requires high-precision timing providing, please don’t hesitate to get one.

According to the name, it is easy to know that the Grove – High Precision RTC is a more accurate real-time clock compared to Grove – RTC with the regular clock chip DS1307. The heart of Grove – High Precision RTC is PHILIPS PCF85063TP, which is a CMOS chip that is optimized for low power consumption, the typical current can be less than 1.2uA in a certain environment. All addresses and data are transferred serially via the two-line bidirectional I2C bus, of which the maximum speed is 400kbit/s. An offset register allows fine-tuning of the clock, and the registered address is incremented automatically after each read or written data byte.

Highlighted Features

  • Provides year, month, day, weekday, hours, minutes, and seconds based on a 32.768 kHz quartz crystal

  • Clock operating voltage: 0.9 V to 5.5 V

  • Low current: typically less than 1.2 μA at VDD = 3.3 V and Tamb = 25 °C

  • Up to 400 kHz two-line I²C-bus interface (at VDD = 1.8 V to 5.5 V)

  • Programmable clock output for peripheral devices (32.768 kHz, 16.384 kHz, 8.192 kHz, 4.096 kHz, 2.048 kHz, 1.024 kHz, and 1 Hz)

  • Selectable integrated oscillator load capacitors for CL = 7 pF or CL = 12.5 pF

  • Minute and half minute interrupt

  • Internal Power-On Reset (POR)

  • Programmable offset register for frequency adjustment

  • Compatible platforms: Arduino, BeagleBone Green, BeagleBone Green Wireless, etc

Documentation

Data Sheet