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MCP79510 - Battery-Backed SPI Real-Time Clock/Calendar

General Description

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.

Key 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 f.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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MCP7951X/MCP7952X Battery-Backed SPI Real-Time Clock/Calendar Device Selection Table Part Number MCP79510 MCP79520 MCP79511 MCP79521 MCP79512 MCP79522 SRAM (Bytes) 64 64 64 64 64 64 Timekeeping 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.