MCP795W12-I/ST

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The MCP795W12-I/ST is a 24-pin real-time clock (RTC) module suitable for many applications such as microprocessor systems, industrial systems, automotive systems and OA/FA equipment. It has an integrated oscillator, crystal, and battery for precise timekeeping. The RTC module provides applications the ability to keep track of time and date and other information with greater accuracy than typical mechanical clocks. In order to understand the application field and working principle of the MCP795W12-I/ST, let us first look at the device itself.

The MCP795W12-I/ST is a low-power, low-cost real-time clock module that is suitable for many applications. It has an integrated quartz crystal, oscillator and battery and offers high precision timekeeping with a time accuracy of ±2 ppm (parts per million). The total weight of the module is 4.9 g, making it small enough to be integrated in a wide range of applications. The module also has an Automatic Power Control (APC) function that allows the module to automatically disable power during the periods when no clock operation is required, thus reducing power consumption. The module also has an automatic switchover function that allows the module to automatically switch to the external backup battery when the primary battery runs out.

The MCP795W12-I/ST has two operating voltage ranges (3.3V/5.0V) and can operate from -40°C to +85°C. The module has two serial interfaces, an SPI and I2C, for communication with a host system. It has an on-chip registers for second, minute, hour, date, month, century, day and calendar programming. It also has a SRAM bank that can be used to store user data up to 8 bytes per setting. All the data is stored in a 32-bit register and the module is compatible with a number of memory devices, making it suitable for use in a variety of applications.

The MCP795W12-I/ST is a non-volatile memory device and, thus, is capable of maintaining all data even when power supply is turned off. The module has two alarm settings for scheduling and reminders as well as a built-in watchdog timer that issues an interrupt after a pre-determined period of time. It is also compatible with PTC (Positive Temperature Coefficient) temperature sensors, making it suitable for use in temperature-sensitive applications. The module also has a built-in oscillator trimming register for adjusting the accuracy of the clock frequency. Additionally, the module has an on-chip 32.768 kHz oscillator, which is used as a base time reference. The MCP795W12-I/ST has sleep and wakeup functions and is capable of operating in standby and active modes.

The MCP795W12-I/ST is widely used in a variety of industrial and domestic applications, including automotive systems, medical systems, home appliances, office equipment, and industrial control systems. The module provides accurate timekeeping in a wide range of environment, high precision, low power consumption, and excellent integration. It has become a popular choice for microprocessor system, as it offers high precision timekeeping as well as low power consumption for battery-powered applications. Thus, it is well suited for applications such as automotive and medical systems. In addition, the MCP795W12-I/ST is widely used in home appliances such as refrigerators, air conditioners and washing machines, as well as OA/FA equipment.

In summary, the MCP795W12-I/ST real-time clock module is a low-cost and low-power real-time clock suitable for a wide range of applications. It has integrated quartz crystal, oscillator, and battery, and offers high precision timekeeping. The module has an Automatic Power Control function that reduces power consumption when clock operation is not required, and an automatic switchover function that allows the module to switch to an external backup battery when the primary battery runs out. The MCP795W12-I/ST is widely used in various applications, including automotive systems, medical systems, home appliances, office equipment, and industrial control systems.

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