M48T512V-85PM1

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The M48T512V-85PM1 is a comprehensive clock solution developed by STMicroelectronics that combines a real-time clock (RTC) with a ferroelectric random access memory (FRAM). This integrated solution offers a high degree of cost savings as compared to discrete alternatives, yet provides a wide range of features that make it suitable for a variety of applications.

The most obvious application for a product such as the M48T512V-85PM1 is in the field of timekeeping for realtime applications. The M48T512V-85PM1 contains an oscillator module that operates using low-power quartz crystals at 32.768 kHz. This module can be used to provide a precise, accurate source of time. The RTC can be programmed to generate an interrupt at a given time, such as midnight, or when a certain number of days have elapsed. The device also contains a battery backup circuit to maintain operation during power outages.

The M48T512V-85PM1 also provides a ferroelectric random access memory (FRAM) which can be used to store application data and help streamline program execution and management. The FRAM can store up to 64KB of data and is non-volatile, meaning it will retain its contents even when power is removed. It also offers low power consumption, low leakage, and fast read and write access times.

Additionally, the M48T512V-85PM1 has a flexible configuration which can be programmed to meet the specific needs of the application. Some of the features that can be configured include clock sources, clock speeds, power-on reset and interrupt sources and timings. This allows engineers to customize the device to their own needs. For example, the device can be programmed to reset or generate an interrupt on power loss, or perform a scheduled backup of FRAM data.

In summary, the STMicroelectronics M48T512V-85PM1 offers a comprehensive, integrated real-time clock solution, combining RTC and FRAM on a single device. This device is suitable for a wide range of applications that require accurate timekeeping, such as data acquisition, instrumentation and control systems, as well as embedded systems. The device’s flexibility and ability to be customized to specific needs also makes it well-suited for a variety of applications.

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