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  2. Interrupt request - Wikipedia

    en.wikipedia.org/wiki/Interrupt_request

    (November 2011) (Learn how and when to remove this message) Diagram about the course of an interrupt routine In a computer , an interrupt request (or IRQ ) is a hardware signal sent to the processor that temporarily stops a running program and allows a special program, an interrupt handler , to run instead.

  3. TI MSP430 - Wikipedia

    en.wikipedia.org/wiki/TI_MSP430

    Real-Time Clock; RTC_A/B are 32-bit hardware counter modules that provide clock counters with a calendar, a flexible programmable alarm, and calibration. The RTC_B includes a switchable battery backup system that provides the ability for the RTC to operate when the primary supply fails. 16-bit timers

  4. Real-time clock - Wikipedia

    en.wikipedia.org/wiki/Real-time_clock

    A real-time clock (RTC) is an electronic device (most often in the form of an integrated circuit) that measures the passage of time. Although the term often refers to the devices in personal computers , servers and embedded systems , RTCs are present in almost any electronic device which needs to keep accurate time of day .

  5. Game Boy Game Pak - Wikipedia

    en.wikipedia.org/wiki/Game_Boy_Game_Pak

    The SRAM chips were later phased out in favor of the flash memory chips, which can store data without the need for a battery. [3] [5] Later revisions introduced even more functionality. Real-time clock capabilities kept track of time using a crystal oscillator. [6] Rumble Pak cartridges added vibration feedback to enhance gameplay. [3]

  6. Nonvolatile BIOS memory - Wikipedia

    en.wikipedia.org/wiki/Nonvolatile_BIOS_memory

    The memory battery (aka motherboard, CMOS, real-time clock (RTC), clock battery) [2] [10] is generally a CR2032 lithium coin cell.This cell battery has an estimated life of three years when power supply unit (PSU) is unplugged or when the PSU power switch is turned off. [11]

  7. Time formatting and storage bugs - Wikipedia

    en.wikipedia.org/wiki/Time_formatting_and...

    Early Apple Macintosh computers store time in their real-time clocks (RTCs) and HFS filesystems as an unsigned 32-bit number of seconds since 00:00:00 on 1 January 1904. After 06:28:15 on 6 February 2040, (i.e. 2 32 − 1 seconds from the epoch), this will wrap around to 1904: [ 5 ] [ 55 ] further to this, HFS+ , the default format for all of ...

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  9. Microelectromechanical system oscillator - Wikipedia

    en.wikipedia.org/wiki/Microelectromechanical...

    MEMS Real-time clocks (RTCs) are ICs that track time of day and date. They include MEMS resonators, sustaining amps, and registers that increment with time, for instance counting days, hours, minutes and seconds. They also include auxiliary functions like alarm outputs and battery management. RTCs must run continuously to keep track of elapsed ...