Which is the operation for mode 3?(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 by my college director while I was bunking the class.My question comes from Microcontroller (8051- Pin, Registers, Timers) in section Prototyping Embedded Devices of IOT

Which is the operation for mode 3?(a) 13-bit timer mode, 8-bit timer/c

1.	Which is the operation for mode 3?(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 by my college director while I was bunking the class.My question comes from Microcontroller (8051- Pin, Registers, Timers) in section Prototyping Embedded Devices of IOT
Answer» The correct answer is (d) SPILT timer mode The explanation is: Mode 3 is ALSO known as a split timer mode. Timer 0 and 1 may be programmed to be in mode 0, 1 and 2 independently of similar mode for other time.

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