What is the operation for mode 1?(a) 13-bit timer mode, 8-bit timer/counter THx and TLx as 5-bit prescalar(b) 16-bit timer mode, 16-bit timer/counter THx and TLx are cascaded, no prescalar(c) 8-bit auto reload mode, 8-bit auto reload time/counter; THx holds a value which is to be reloaded into TLx each time it overflows(d) Spilt timer modeThe question was posed to me in an internship interview.My doubt is from Microcontroller (8051- Pin, Registers, Timers) in portion Prototyping Embedded Devices of IOT

What is the operation for mode 1?(a) 13-bit timer mode, 8-bit timer/co

1.	What is the operation for mode 1?(a) 13-bit timer mode, 8-bit timer/counter THx and TLx as 5-bit prescalar(b) 16-bit timer mode, 16-bit timer/counter THx and TLx are cascaded, no prescalar(c) 8-bit auto reload mode, 8-bit auto reload time/counter; THx holds a value which is to be reloaded into TLx each time it overflows(d) Spilt timer modeThe question was posed to me in an internship interview.My doubt is from Microcontroller (8051- Pin, Registers, Timers) in portion Prototyping Embedded Devices of IOT
Answer» The correct answer is (B) 16-bit timer mode, 16-bit timer/counter THX and TLx are cascaded, no prescalar The BEST explanation: It is a 16-bit timer; THEREFORE it allows value from 0000 to FFFFH to br loaded into the timer’s register TL and TH. After TH and TL are loaded with a 16-bit initial value, the timer must be started.

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