RTC Click is an accessory board in mikroBus™ form factor. It features the PCF8583 serial real-time clock (RTC). It is a low-power, full binary-coded decimal (BCD) clock/calendar.
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RTC Click is an accessory board in mikroBus™ form factor. It features the PCF8583 serial real-time clock (RTC). It is a low-power, full binary-coded decimal (BCD) clock/calendar. Board uses I2C interface for communication and features a 3V/230mA lithium battery as a backup power supply which ensures that timekeeping operation continues even when the main power supply goes OFF. Board is set to use 3.3V power supply by default. Solder PWR SEL SMD jumper to 5V position if used with 5V systems.
|Applications||Board is ideal for applications which require real-time clocks, calendars and programmed alarms.|
|On-board modules||PCF8583 serial real-time clock (RTC)|
|Key Features||4 hour or 12 hour format; programmable alarm, timer, and interrupt function|
|Click board size||M (42.9 x 25.4 mm)|
|Input Voltage||3.3V or 5V|
Time, Time, Who has the Time - MikroElektronika Learn
Real Time Clocks (RTCs for short) Little attention is payed to the little piece of silicon on your board that is responsible for counting every second of every day. What is taken for granted is the fact that most of your protocols, like tcp, require some reference to time.