Seeed Studio Wio Extension Real Time Clock
Seeed Studio Wio Extension Real Time Clock (RTC) powers the Wio LTE open-source gateway, enabling faster Internet of Things GPS solutions. Seeed Studio Wio LTE devices are found in time-keeping applications, battery-powered devices, and metering. A Micro USB port powers the board and communicates with the Wio LTE via an I2C port. The board is based on the NXP PCF8523 semiconductor chip, which can provide information on year, month, day, weekday, hours, minutes, and seconds.Features
- Provides the year, month, day, weekday, hours, minutes, and seconds based on a 32.768kHz quartz crystal
- Freely programmable timer and alarm with interrupt capability
- Programmable offset register for frequency adjustment
- Powered by Micro-USB port
- Communicates with the Wio LTE via I2C port
- Standby current of the whole system is less than 1uA
Applications
- Time-keeping application
- Battery-powered devices
- Metering
Additional Resources
Paskelbta: 2019-05-01
| Atnaujinta: 2023-12-13
