Which of the following is a real time clock?(a) MC146818(b) 8253(c) 8259(d) 8254The question was posed to me in class test.My doubt stems from Timer-II in section Basic Peripherals of Embedded Systems

Which of the following is a real time clock?(a) MC146818(b) 8253(c) 82

1.	Which of the following is a real time clock?(a) MC146818(b) 8253(c) 8259(d) 8254The question was posed to me in class test.My doubt stems from Timer-II in section Basic Peripherals of Embedded Systems
Answer» RIGHT choice is (a) MC146818 The EXPLANATION: The 8253, 8254 and 8259 are timers or counters DEVELOPED by Intel WHEREAS MC146818 is a real-time clock.

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Which of the following is a real time clock?(a) MC146818(b) 8253(c) 8259(d) 8254The question was posed to me in class test.My doubt stems from Timer-II in section Basic Peripherals of Embedded Systems

Which of the following is a real time clock?(a) MC146818(b) 8253(c) 8259(d) 8254The question was posed to me in class test.My doubt stems from Timer-II in section Basic Peripherals of Embedded Systems

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