MCP79510 - MICROCHIP

MCP79510 Battery-Backed SPI Real-Time Clock/Calendar

The MCP795XX Real-Time Clock/Calendar (RTCC) tracks time using internal counters for hours, minutes, seconds, hundredths of a second, days, months, years and day of week. Alarms can be configured on all counters up to and including months. For usage and configuration, the MCP795XX supports SPI communications up to 5 MHz. The MCP795XX is designed to operate u.

Features

• Real-Time Clock/Calendar (RTCC): - Hours, minutes, seconds, hundredths of a second, day of week, date, month, year - Leap year compensated to 2399 - 12/24-hour modes
• Oscillator for 32.768 kHz Crystals: - Optimized for 6-9 pF crystals
• On-Chip Digital Trimming/Calibration: - ±1 ppm resolution - ±259 ppm range
• Dual Programmable Alarms
• Clock Output Function with Selectable Frequency
• Power-Fail Timestamp: - Time logged on switchover to and from Battery mode Low-Power Features
• Wide Voltage Range: - Operating voltage range of 1.8V to 3.6V - Backup voltage range of 1.3V to 3.6V
• Low Ty.