RV-1805-C3中文资料RTC实时时钟模块数据手册MicroCrystal规格书

特性 Features

• Extreme low power consumption: XTAL mode, 60 nA @ 3 V.
• RC mode, 17 nA @ 3 V. RC autocalibration mode, 22 nA @ 3 V.
• Operating voltage range: 1.5 V to 3.6 V.
• Time accuracy: Factory calibrated to ±2 ppm @ 25°C.
• User programmable offset value.
• Automatic Backup Switchover and Trickle Charger function.
• Provides year, month, date, weekday, hours, minutes, seconds, 100th.
• Timer, Alarm, External event and Watchdog functions.
• Clock output frequencies: 32.768 kHz to 1/60 Hz.
• 256 bytes user RAM.  

应用 Application

The RV-1805-C3 RTC module has been specially designed for ultimate low power consumption:
• IoT
• Wearables, Portables
• Health Care
• Metering
• Industrial
• Key element for power management