2. Soldering the headers Before using your click board, make sure to solder the provided 1x8 male headers to both sides of the board. Two 1x8 male headers are included with the board in the package. 1 RTC2 click 2 3 1. Introduction 4. Board applications RTC2 click is ideal for applications which require real-time clocks, calendars and programmed alarms. Communication with 2 Turn the board upside down, so that Turn the board upward again. Make sure the board is done over standard I C interface. bottom side is facing you upwards. Place to align the headers so that they are The Real-Time Clock (RTC) counts seconds, shorter parts of the header pins in the perpendicular to the board, then solder the minutes, hours, date of the month, month, both soldering pad locations. pins carefully. day of the week, and year with leap-year clock function with four year calendar. RTC2 Click is an accessory board in mikroBus 3. Plugging the board in form factor. It features the DS1307 serial real- click time clock (RTC). It is a low-power, full binary- Once you have soldered the headers your coded decimal (BCD) clock/calendar with board is ready to be placed into desired BOARD programmable square-wave output signal. mikroBUS socket. Make sure to align the 2 www.mikroe.com Board uses I C interface for communication, cut in the lower-right part of the board and can only use 5V power supply. Board with the markings on the silkscreen at the RTC2 click Manual features a 3V/230mA lithium battery as mikroBUS socket. If all the pins are aligned ver. 1.00 a backup power supply which ensures that correctly, push the board all the way timekeeping operation continues even when into the socket. 0 100000 020111 the main power supply goes OFF.6. Power supply - 5V only 5. RTC2 click Board Schematics Board is designed to use 5V power supply only. If you need to add RTC feature to your 3.3V prototype or development board, we recommend you to use other boards such as the RTC click board: VCC