资料介绍
An increasing number of applications that involve time
measurement are requiring a Real-Time Clock device.
The MCP79410 is a feature-rich RTCC that incorpo-
rates EEPROM, SRAM, unique ID and time-stamp.
This application note describes how to compensate the
parabolic thermal drift of some crystals in RTCC-based
projects, using the Calibration register. AN1413
Temperature Compensation of a Tuning Fork Crystal Based on MCP79410
On-Chip Digital Trimming/Calibration of the
Author: Alexandru Valeanu Oscillator
Microchip Technology Inc.
Operates down to 1.8V
Back-up Voltage down to 1.3V
INTRODUCTION
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