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Does atmega328p have special instructions for Serial Communication?
Thanks for the detailed info.   So it seems like for transmitting, the cpu has not much work to do except maybe "load" an immediate to a register/memory address which...
Monday, 6 July 2020 - 02:18
Does atmega328p have special instructions for Serial Communication?
Kartman wrote:If you don't want to learn, then don't ask questions! I do like to learn but I want to stay in my boundary, I don't understand much when I cross the boundary to...
Monday, 6 July 2020 - 00:29
Does atmega328p have special instructions for Serial Communication?
Kartman wrote:learn about digital logic and how to build a processor from first principles Sorry i'm not going to do an electrical engineering degree to learn how Arduino works....
Sunday, 5 July 2020 - 23:59
Does the AVR chip on Arduino Uno constantly run instructions?
awneil wrote:It just tells the CPU where to do the next instruction fetch. That's what I meant.
Thursday, 2 July 2020 - 14:43
Does the AVR chip on Arduino Uno constantly run instructions?
awneil wrote: PC Here PC was referring to the Program Counter on the MCU.
Thursday, 2 July 2020 - 14:27
Does the AVR chip on Arduino Uno constantly run instructions?
frog_jr wrote: ???   On a regular OS you would a get an "illegal instruction" and program would be killed. I thought on an MCU chip would just reset/restart upon getting an...
Thursday, 2 July 2020 - 14:19
Does the AVR chip on Arduino Uno constantly run instructions?
clawson wrote: Apart from closing the lid on your laptop when do you think it ever fully "sleeps" Really never, there are always things to run but the capability is there: https...
Thursday, 2 July 2020 - 14:02
Does the AVR chip on Arduino Uno constantly run instructions?
clawson wrote:Anyway if it were to SLEEP and have some potential wakeup mechanism hat would be the point   It would be not to waste power executing an infinite loop...
Thursday, 2 July 2020 - 13:50
Does the AVR chip on Arduino Uno constantly run instructions?
westfw wrote:   What do you think you WANT to do on a microcontroller, if main() returns?  What should happen to the state of any output pins, for example?  ...
Thursday, 2 July 2020 - 02:59
Does the AVR chip on Arduino Uno constantly run instructions?
Right but, what drives the address in PC, i.e who changes what PC is looking at? that should be driven from something.
Wednesday, 1 July 2020 - 17:13
Does the AVR chip on Arduino Uno constantly run instructions?
awneil wrote:This is not specific to AVR or Arduino - it applies to any microcontroller (in fact, not even just to microcontrollers - any computer at all!).   I...
Wednesday, 1 July 2020 - 16:58
Does the AVR chip on Arduino Uno constantly run instructions?
awneil wrote: Unless you remove power or put them into a "sleep" mode, all microcontrollers are always executing instructions.     What sort of instruction would it be...
Wednesday, 1 July 2020 - 16:42

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