Part Number
|
MCP79522 |
Manufacturer
|
MICROCHIP |
Description
|
Battery-Backed SPI Real-Time Clock/Calendar |
Published
|
May 14, 2018 |
Detailed Description
|
MCP7951X/MCP7952X
Battery-Backed SPI Real-Time Clock/Calendar
Device Selection Table
Part Number
MCP79510 MCP79520 MCP7...
|
Datasheet
|
MCP79522
|
Overview
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
• Wid...
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