DS17285S-3/T&R

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The DS17285S-3/T&R Real Time Clock (RTC) device is a low power, on-chip, battery-backed calendar clock and event counter system. The 32kHz oscillator runs at 1/60th the speed of a conventional 32.768KHz oscillator, reducing the power consumption of the overall system. The device is designed to operate as an integrated system, with features such as Time-of-Day (TOD) calibration, tamper detection and power management.

The DS17285S-3/T&R is a 32-bit microcontroller based system with an SWO-like logic architecture that can be easily configured for applications. The 32 bits data path and control structures are designed to be used with a variety of standard peripherals, making it easy to adapt to non-volatile and random access memory, touch-sensitive input/output, and analog/digital controls. The device is also capable of dual-port communications, allowing remote programming and real-time data exchanges.

The device includes timing interrupts, software interrupts, and direct memory access (DMA) control registers. The interrupt and DMA controls permit operation at hardened real-time system response and performance levels. The DS17285S-3/T&R is fully compatible with legacy systems, which enables time-sharing of resources and simplifies migration strategies. Additionally, the device features an integrated ROM, RAM, and Flash memory, as well as dual-channel 16-bit timers.

The DS17285S-3/T&R RTC works by operating as a clock/event timer system, in which the user sets the time at which a specific action is to occur. When the event occurs, the clock triggers an interrupt or sends a signal to a peripheral. The device also has a built-in calendar, which can be used to store and select dates for the event timing. The calendar is driven by the 32kHz oscillator for reliability and accuracy.

The device includes an integrated capacitive touch-sensing system. This system allows the user to monitor the signal levels of a given input and take appropriate action. The signal levels can also be monitored by a hardware/software interface, allowing the system to adjust sampling frequency and signal amplitude ranges. The integrated capacitive touch-sensing system provides user flexibility without the need for external components.

The DS17285S-3/T&R RTC also includes advanced power management capabilities, including a low voltage detection system, a low power-consumption mode, and a tamper-resistant system that prevents unauthorized configuration changes. The power management capabilities are designed to exceed the requirements of a number of applications, as well as provide high performance and low power operation for extended periods.

The DS17285S-3/T&R RTC is well suited for applications in communications, automotive, industrial control, gaming, and medical systems, among others. Its features make it ideal for applications that require event timing, and its power management capabilities make it a good choice for applications where power conservation is a major consideration. Its compatibility with legacy systems, low power modes, and touch sensing system also make it a great choice for many applications.

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