The microprocessor is an integrated circuit that elaborates information in the form of digital signals. Not to be confused with a microcontroller, which embeds many additional devices to control embedded systems.
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40 views
t6963 GLCD very low contrast
I am trying to setup a 240x128 GLCD with t6963c driver (datasheet). I am familiar with ks0108 drivers but newbie in t6963.
I have written a simple code with only lcd-init() that I expect to see the ...
2
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1answer
111 views
How does a computer work? [closed]
I am a software programmer.I am very much curious to know about the behind the scenes of how actually a computer works.
By HOW I mean:On the hardware level.
My knowledge about software programming ...
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2answers
65 views
Protocol for WiFi network to connect to a website?
Ok, I'm trying to get my head around the comms over WiFi. There seems to be various options like UART, Serial etc.
If I want an Arduino to get or put content on a website, what protocol does the ...
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2answers
363 views
What could cause a microcontroller to unexpectedly reset?
One particularly irritating variety of bug in a microprocessor-controlled system is for the microprocessor to unexpectedly reset. An important tool for debugging this kind of problem is a list of ...
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48 views
Functional Unit and Micro-operations Schematics
I'm sitting an exam on Computer Architecture in a few days and i'm stuck on a particular type of question.
I'm asked to:
Provide a detailed schematic for a functional unti that implements the ...
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2answers
80 views
Simulation tool to calculate microprocessor power consumption?
Are there any simulation tools to calculate microprocessor power consumption at the early brainstorming stage of development?
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0answers
93 views
Any simplified diagram explanation of how CPU works? [duplicate]
I'm a high level Java developer. My major is Information Systems. However, my internship subject is in embedded systems programming by C, about which I have no idea.
Trying to study about it, I ...
0
votes
1answer
60 views
Problem Changing system clock frequency
I have an ATtiny85 and I'm trying to set the clock to 8Mhz. I have read the data sheet and some discussions on how to do this but am not having any luck getting it to work. I have included my code ...
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1answer
80 views
Are there any ATxmega chips with bi-directional SPi ports?
I searched the datasheets shown for the ATxmega chips in the Microcontroller Selector, shown on the left side of http://www.atmel.com/products/microcontrollers/default.aspx, for any ATxmega chips with ...
0
votes
2answers
43 views
State of mutli-cycle processor during execution of instruction
I was reading something about single-cycle and multi-cycle processors and I have (it seems to be) banal question: how does multi-cycle (that doesn't have pararell pipeline) processor save its state so ...
2
votes
2answers
347 views
How were the first microprocessors made? [duplicate]
I have this question. Since microprocessors were first made, the technology has developed very much. I'm asking this because i would like to try to make a simple microprocessor, something like Intel ...
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vote
3answers
199 views
Is it true that copying is the most CPU intensive operation?
A mech engineer said that copying puts more load on the microprocessor than "other" operations (e.g. moving data or creating the same amount of new data). Is this true? Can you elaborate? I understand ...
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1answer
174 views
Maximum clock frequency of microprocessors
Recently, I have heard that AMD has released the new Vishera series of FX processors which run at 5 GHZ. My question is whether there is any upper bound of clock rate of a processor? That is can we ...
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votes
2answers
105 views
Computer communicate with sensor directly without microcontroller [closed]
I wonder why an USB Webcam can work with minimum design for only 3$, it can send data from CMOS Camera to computer via USB connection and i can't find any additional microcontroller in the board. So ...
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votes
3answers
80 views
Program w/ 2 loops and timing and such
So let's say i have a prog that has a fast loop @e 64uS, and a slow loop @e 8mS. If the fast loop takes 34uS to execute do I need to make sure the slow loop can execute in 30uS, so as to not be ...
