Mikroe RTC 13 Click
Mikroe RTC 13 Click RTC 13 Click features the NXP Semiconductors PCF2123 SPI configurable real-time clock/calendar optimized for low power operations. The PCF2123 provides year, month, day, weekday, hours, minutes, and seconds based on a 32.768kHz quartz crystal. Data is transferred serially via an SPI interface with a maximum data rate of 6.25 Mbit/s. An alarm and timer function is also available, providing the possibility to generate a wake-up signal on an interrupt line, in addition to a programmable square-wave clock output.
Features
- On-board modules
- NXP Semiconductors PCF2123 SPI configurable real-time clock/calendar optimized for low power operations
- Low power consumption
- Clock/calendar feature
- Freely programmable timer and alarm with interrupt capability
- Battery back-up
- Programmable square-wave clock output
- SPI interface
- mikroBUS compatibility
- M (42.9mm x 25.4mm) click board size
- 3.3V or 5V input voltage
Applications
- Various time-keeping applications
- Including high-duration timers
- Metering
- Daily alarms
- Low standby power applications
Overview
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NXP Semiconductors PCF2123 SPI Real Time Clock (RTC) & Calendar
Real-Time Clock (RTC) and calendar optimized for low power applications.
Published: 2021-10-28
| Updated: 2022-03-11