This is a small evaluation board equipped with a battery and featuring an ultra-low power consumption RTC module, RV-3028-C7.
Specifications of the built-in <RV-3028-C7>: - Package size: 3.2×1.5×0.8mm (with crystal oscillator) - Supply voltage: 1.1 to +5.5V (in timekeeping mode) - Current consumption: 0.05μA Typ. (+3.0V / +25℃) (without power switching) 0.095μA Typ. (+3.0V / +25℃) (direct power switching) 0.115μA Typ. (+3.0V / +25℃) (level power switching) - Frequency deviation at room temperature: ±1.0ppm or less (+25℃) (without temperature compensation) - Automatic power switching function - Trickle charge function - Programmable clock output - Types of interrupt signals: - Repeating countdown timer - Alarm - Time update - External event input - Automatic power switching for backup power - Power-on reset - External event input and timestamp function - Password lock function - UNIX TIME function ★ Connection circuit diagrams and register setting information are available on the web, so please refer to them when designing devices using the RV-3028-C7.
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basic information
This is a postage stamp-sized evaluation board equipped with the ultra-low power consumption RTC module RV-3028-C7. It comes with a backup battery (primary lithium battery) pre-installed. Since the driver for this model is integrated 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. The board has spare pads that allow for the installation of SMD electric double-layer capacitors as an add-on. ★ Connection circuit diagrams and register setting information are available on the web, so please refer to them when designing devices using the RV-3028-C7.
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Applications/Examples of results
IoT devices Wearable 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.