The RX-8564CF B is a real-time clock (RTC) module from Epson, likely a variant of the RX-8564CF with slight modifications or improvements denoted by the 'B' suffix. This module offers accurate timekeeping capabilities with low power consumption, making it suitable for various applications. It integrates a 32.768 kHz crystal oscillator for precise timing.

Applications

• Portable electronics: Provides time and date functions for devices like wearables and handhelds.
• Data acquisition systems: Used for time-stamping collected data.
• Security panels: Ensures accurate timekeeping for event logging and scheduling.
• Medical monitoring equipment: Integrated for precise timing in data recording and alerts.
• Smart home devices: Provides accurate time for automation and scheduling tasks.

Features

• Integrated 32.768 kHz crystal oscillator: Ensures stable and accurate timekeeping.
• I2C serial interface: Facilitates easy communication with microcontrollers and other system components.
• Low power consumption: Extends battery life in portable applications.
• Compact size: Enables integration into small form-factor devices.
• Wide operating voltage range: Offers flexibility in system design.
• Backup battery switchover function: Automatically switches to a backup battery when the main power supply is interrupted.
• Alarm function: Can be programmed to generate an interrupt at specific times or dates.
• Timer function: Provides a programmable timer for various applications.

Benefits

• Accurate timekeeping: Provides reliable time and date information.
• Simplified system design: Integrates all necessary components for real-time clock functionality into a single module.
• Extended battery life: Minimizes power consumption, prolonging battery life in battery-powered devices.
• Easy integration: Simple I2C interface simplifies integration into various systems.
• Improved system reliability: Backup battery function ensures continuous operation during power outages.

Additional Details

The RX-8564CF B typically operates with a supply voltage in the range of 1.5V to 5.5V. It utilizes the I2C serial communication protocol for data transfer. The module is available in compact, surface-mount packages. The operating temperature range generally spans from -40°C to +85°C. The accuracy is dependent on the crystal oscillator frequency and temperature changes. The device includes registers accessible through the I2C interface, enabling reading and writing of time and date, as well as configuring the alarm and timer. The inclusion of a backup battery input ensures continuous timekeeping during power interruptions. The 'B' suffix might denote a slightly improved version with enhanced features or performance compared to the original RX-8564CF.