{"id":26472,"date":"2016-12-05T10:59:19","date_gmt":"2016-12-05T07:59:19","guid":{"rendered":"https:\/\/geeksvalley.com\/product\/rtc\/"},"modified":"2024-01-29T10:29:21","modified_gmt":"2024-01-29T07:29:21","slug":"rtc","status":"publish","type":"product","link":"https:\/\/geeksvalley.com\/en\/product\/rtc\/","title":{"rendered":"Real time clock &#8211; RTC"},"content":{"rendered":"<p>Provides two configurable alarm clock and a calendar can be set to a square wave output. Address and data are transferred serially through an I2C bidirectional bus.<\/p>\n<p>A precision temperature-compensated voltage reference and comparator circuit monitors the status of VCC to detect power failures, provide a reset output, and if necessary, automatically switch to the backup power supply. In addition, \/ RST pin is monitored as generating \u03bcP reset manually<\/p>\n<p><strong>Features:\u00a0<\/strong><\/p>\n<ul>\n<li>Operating voltage :3.3 &#8211; 5 .5 V<\/li>\n<li>clock chip: high-precision clock chip DS3231<\/li>\n<li>Clock Accuracy :0-40 \u2103 range, the accuracy 2ppm, the error was about 1 minute<\/li>\n<li>calendar alarm clock with two<\/li>\n<li>programmable square-wave output<\/li>\n<li>Real time clock generator seconds, minutes, hours, day, date, month and year timing and provide valid until the year 2100 leap year compensation<\/li>\n<li>chip temperature sensor comes with an accuracy of ? 3 \u2103<\/li>\n<li>memory chips: AT24C32 (storage capacity 32K)<\/li>\n<li>IIC bus interface, the maximum transmission speed of 400KHz (working voltage of 5V)<\/li>\n<li>can be cascaded with other IIC device, 24C32 addresses can be shorted A0\/A1\/A2 modify default address is 0x57<\/li>\n<li>Size: 38mm (length) * 22mm (W) * 14mm (height)<\/li>\n<li>Weight: 8g<\/li>\n<\/ul>\n<p style=\"text-align: left\">\n","protected":false},"excerpt":{"rendered":"<p>RTC maintains seconds, minutes, hours, day, date, month, and year information. Less than 31 days of the month, the end date will be automatically adjusted, including corrections for leap year. 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