This is a compact evaluation board with a battery that features the standard high-precision RTC RV-8803-C7.
Specifications of the built-in <RV-8803-C7>: - Package size: 3.2×1.5×0.8mm (with built-in crystal oscillator) - Power supply voltage: 1.5 to +5.5V - Current consumption: 0.24μA Typ. (+3.0V / +25℃) - Frequency deviation: ±1.5ppm or less (＠0 to +50℃) temperature compensated ±3.0ppm or less (＠-40 to +85℃) temperature compensated ±7.0ppm or less (＠+85 to +105℃) temperature compensated - Types of interrupt signals: - Repeating countdown timer - Alarm - Time update - External event input - External event input and timestamp function - Programmable clock output (32.768kHz to 1Hz) ★ Connection circuit diagrams and register setting information are available on the web, so please refer to them when designing devices using the RV-8803-C7.
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basic information
This is a stamp-sized evaluation board equipped with the high-precision RTC module RV-8803-C7. It comes with a backup battery (primary lithium battery) pre-installed. Since the driver for this model is built into the Raspberry Pi OS, it can also be used as an external real-time clock module (HWCLOCK) for the Raspberry Pi with simple settings. ★ Connection circuit diagrams and register configuration information are available on the web, so please refer to them when designing devices using the RV-8803-C7.
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Applications/Examples of results
IoT devices Data loggers Security devices Access control management Various meter devices FA (Factory Automation) devices Medical devices In-vehicle devices
Company information
Established in 1997, we are a specialized supplier of crystal devices. We focus on industrial equipment and have been supplying core components for devices used in telecommunications and broadcasting, measurement instruments, medical equipment, defense equipment, and semiconductor manufacturing equipment for many years.