Microchip TechnologyMCP79410T-I/SNIC: RTC circuit
The Microchip Real Time Clock/Calendar tracks time using internal counters for hours, minutes, seconds, days, months, years, and day of week. Alarms can be configured on all counters up to and including months. For usage and configuration, it supports I2C communications up to 400 kHz. The open drain, multi functional output can be configured to assert on an alarm match, to output a selectable frequency square wave or as a general purpose output. Dual programmable alarms Automatic switchover to battery backup 64 Byte battery backed SRAM
The Microchip Real Time Clock/Calendar tracks time using internal counters for hours, minutes, seconds, days, months, years, and day of week. Alarms can be configured on all counters up to and including months. For usage and configuration, it supports I2C communications up to 400 kHz. The open drain, multi functional output can be configured to assert on an alarm match, to output a selectable frequency square wave or as a general purpose output.
Dual programmable alarms
Automatic switchover to battery backup
64 Byte battery backed SRAM