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Questions tagged [intel]

Intel is a semiconductor manufacturer headquartered in the United States. They are best known for their x86 range of microprocessors and associated chipsets that are the basis of most personal computers.

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Why system energy is equal to 1/f?

I am studying Intel speed shift. I see a slide: Reference I don't understand, why the green line 1/f means system energy, I think more performance should need more energy as the red line (compute ...
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Intel Compute Stick & USB 4G Device

Id like to create a powerful IoT Edge device that has cellular capability (Wifi is undesirable). Right now the intel compute stick/neural stick almost fits the bill except that it does not have 4G ...
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1answer
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Where the appropriate word size is selected for the operand?

This question is about a 32 bit Intel Chip using x86 assembly. My question specifically is what happens when you do the mov reg, mem instruction where the memory operand is a word (16 bits) from DRAM. ...
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How does a slave PIC 8259 gets enabled via CS

I was trying to wrap my head around the interfacing between 8086 and 8259 PICs. Specifically, the Chip Selection and I/O port mapping. According to a diagram I saw here, the 8086's address lines A0, ...
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1answer
120 views

Why cant we increase chip area?

According to Moore's law, transistors are getting double every 24 months. But now, we have reached the transistor size limit which results in leakage current. Then why can't we increase chip area size,...
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1answer
78 views

Building a simple manual Intel 8085 study kit

I am toying with the idea of building an Intel 8085 demonstration/study kit which would consist of an Intel 8085 microprocessor on a PCB, where all input nodes (including the clock X1, X2) would be ...
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1answer
197 views

How do I know if not using FPGA dedicated clock input for a PLL pin is bad for my design?

PLLs are hard blocks in silicon. They are connected to specific pins for their clock input and drive specific pins for clock output. It is possible that we choose a "non-dedicated" pin for clock input/...
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2answers
225 views

Altera has created EPCS and EPCQ devices, can only these be used to store FPGA configuration data?

FPGA configuration data must be stored in external non-volatile memory. Can we use just any flash memory or only specific types? What about EEPROMs or any other nonvolatile memory device? Edit: I am ...
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Two-Terminal Passive Analog Component Tester Using the DE1-SoC Development Board

I am having hard time understanding this problem. I have to draw a Level 1 block diagram for this system. I really appreciated it if somebody can help me. I am new to DE1-Soc. use the Intel DE1-SoC ...
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1answer
68 views

How to determine bandwidth available at USB ports

I am considering a mini-itx single board computer for a project that makes heavy use of USB. I want to ensure that certain USB devices have enough bandwidth. For example I have a data acquisition ...
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1answer
88 views

Intel Altera MAX 10 DEV KIT Interface - Can a RS232 6 pin PMOD module by Digilent be used seamlessly with MAX 10 for PC-FPGA UART communication?

I am planning to either purchase a MAX 10 or a DE2-115 dev kit to implement communication via both ethernet and RS-232. DE2-115 has both ports soldered onto the board, but MAX-10 has 2 ethernet ports ...
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Why is ACALL instruction a 2 Byte instruction in 8051 microcontroller?

The target address of the subroutine must be within 2K bytes address because only 11 bits of the 2 bytes are used for the address. (Source: http://iamtechnical.com/call-instructions-in-8051-...
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1answer
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Fan-out of the Intel 8086

I'm studying Intel 8086 processor. I can't understand why the "Fan-out" column is like that in the table below I understand that only one "74 family" chips or five "74LS family" gates can be ...
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What is the purpose of built-in FPGA with Intels new chip [closed]

I know that Intel acquired Altera in 2015 and the new Intel chips include a built-in FPGA. But what is it for?
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Where is the Intel Common Redundant Power Supply (CRPS) Standard Specified?

Intel server reference designs use the Intel Common Redundant Power Supply Standard (CRPS). These documents include a brief over view of CRPS with information like the pin names and refer the reader ...
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1answer
371 views

Intel iGPU die area and power consumption

What is the Intel's iGPU area occupied on the die (or transistor count) and what is the power consumpition of the iGPU alone? Didnt find any information from Intel, quite odd they dont advertise this ...
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365 views

Why DMI instead of a PCIe link

In some Intel chipsets the CPU is connected to the Platform Controller Hub (PCH) by a link called Direct Media Interface (DMI). Based on what I found when researching about it, It's a link very ...
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Simulate Intel FPGA for software development

i'm currently working for a project for my university. It's about the Intel SoC Embedded Development Suite, and for this i need an actual FPGA board. Unfortunately i'm unable to buy a board, because ...
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1answer
186 views

Can the Intel Curie modules be programmed in assembly using the Quark toolchain?

I've been looking over an Intel Curie module for a project. From the datasheet it looks like the Curie module contains an Intel Quark D1000 embedded processor along with a lot of other components. I'...
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2k views

What does the “side-band” and “in-band” mean in the context of digital circuit?

I read below content from the Intel On-chip System Fabric (IOSF) spec. AS I understand, the IOSF is a technology for chip reuse and interconnect. The sideband message interface covers most ...
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Intel's use of word EPROM in data sheet

In several area's of Intel's atom e38xx data sheet, and programmers volume 3 datasheets I see references to the word EPROM. For example in programmer's architecture manual volume 3 I find this, ...
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2answers
432 views

Making a port HIGH in the intel 8051 microcontroller

Does an instruction like this: MOV P1.0, #1 makes the port P1 bit 0 High so i can drive an LED for example, or it just makes it FLOAT so i can use an external circuitry to light the LED. If so, does ...
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1answer
150 views

Silicon purity and electronic feature density [closed]

During development of an integrated circuit it is my understanding that you require a silicon purity of 99.99999999%. Has this always been the case? In 1971, had the first commercially available ...
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3answers
1k views

Intel 8052 (and friends) minimum set up

I recently got a batch of old microcontrollers (8052 and Z8671) and I just want to get a minimum working set up for them. Since these microcontrollers already have most everything baked into them (...
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2answers
313 views

Voltages for connecting ds18b20 to Edison breakout board

It appears that the upm library provides support for reading temperatures from a ds18b20 on an Edison via uart. They also provide this hookup diagram. However, it looks like the ds18b20 can only ...
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What does “bank” mean in these context?

I am reading some specs about Intel CPU. The word bank appears in the following contexts. I am not a native English speaker. Please help me understand its meaning. ...
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1answer
655 views

Intel i7 Core CPU numbers on the front side

What is the numer at the fourth row on the front side of Intel i7 CPU? (pictured) I saw two Intel CPUs in the store described as "Core i7-6700" but have slightly different prices (both OEMs). Only ...
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2answers
480 views

what is this connector type (F200 realsense device)

I am looking for the type of connector this is. I believe it to be a Micro IDT (molex) type connector or a version of the FPC type connection. This is the one for the R200 or F200 intel realsense ...
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2answers
4k views

Battery power supply for Intel Compute Stick

I have an update. It seems there are multiple posts on Intel's forum by people reporting bricked Compute Sticks even though they were using the factory power supply. I followed the recommendation to ...
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1answer
256 views

How does the Intel 8086/88 know when to assert the IO/M signal?

Consider an Intel 8088 processor with a standard, parallel RAM and ROM implementation that also supports address/data bus access to various external peripherals like analog-to-digital converters (ADCs)...
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1answer
99 views

Why did the Intel bubble memory chips have a hexadecimal label on them?

Such as in this image: I guess some sort of configuration, am I right?
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1answer
98 views

Interfacing to a Microprocessor Bus without an 8255

There are 32 doors in a building each having a sensor attached with it. Each door outputs a signal 1 if it is open and O if closed. I want to design a pc based system to display the condition of each ...
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1answer
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Intel Skylake CPU How does the primary or default core get powered on anyone? [closed]

Would it be by way of some hard coded cpu bootrom or by way of some ROM boot loader or some embedded firmware ? Anyone ?
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1answer
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what is deep sleep mode?

Please see the datasheet of Intel Broadwell-DE. http://www.intel.com/content/www/us/en/processors/xeon/xeon-d-1500-datasheet-vol-3.html (Eg datasheet-3 page 26: description of SUSACK_N) "Intel® Xeon®...
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1answer
287 views

Intel 8259A: why use A0 when there's nothing to address?

I am in the process of writing a driver for the Intel 8259A PIC and using the corresponding datasheet for reference. The datasheet contains a picture of the controller and its connection to the ...
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1answer
213 views

Intel 8042: what are “test inputs”?

I've implemented a driver for the Intel 8042 (keyboard controller in the IBM PC AT). The IBM 5170 (PC AT) Technical Reference served as my, well, reference for that. The output port and the test ...
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1answer
72 views

Intel 8259A: mysterious T bit doesn't fit the pattern

I'm implementing a driver for the Intel 8259A PIC for x86. To do this properly, I am reading the Intel 8259A PIC Datasheet. It is halfway comprehensible even for someone who approaches controller ...
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2answers
1k views

Building an Intel 8085 trainer

I'd like to build an Intel 8085 trainer for a final year project. The trainer will be used by students and will basically accept machine code entered by students, load these into RAM and run the code. ...
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1answer
167 views

Programming Intel i3 like RPi [closed]

I am building a fairly large home automation system comprising of cameras and other sensors. I experimented with a Raspberry Pi, but it simply wasn't able to handle the load. Therefore I want to know ...
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1answer
59 views

How to calculate how much data a Core 2 duo E8 can write to the RAM per second? [closed]

I'd like to know how exactly I could calculate how much data the Core 2 duo E8 can write to the RAM per second, given that it is not overclocked and the RAM is 333MHz-DDR3?
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2answers
2k views

Analog inputs with Intel Edison mini breakout board?

Looking at the schematics of the Intel Edison mini breakout board, there are no pins for analog inputs, e.g. for reading state of a potentiometer. For a hardware workshop based on the mini breakout ...
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1answer
992 views

How to blink LED with 1.8V?

I am experimenting with an Intel Edison mini breakout board with pinout like here: http://fab-lab.eu/wp-content/uploads/2014/10/Edison_IO_LED.jpg Now, I soldered header pins to plug the board into a ...
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1answer
491 views

Weird problem with Intel Edison and IMU MPU-9150

So I am trying to get measurements from the MPU-9150 sensor from Invensense using the Intel Edison. I am able to communicate with the sensor and the values seem sensible. But after a specific number ...
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1answer
565 views

Pin description of Intel 8086 [closed]

In the pin diagram of Intel 8086 microprocessor, There are two RD' and WR' pins which control the read from memory/IO or write to memory/IO. Also, there is another pin named DT/R which also control ...
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3answers
1k views

Difference between Micro-Operations in RISC and CISC processors

I've read that the modern Intel processors use the CISC instructions on the top, which are converted into RISC-like simpler instructions in the form of Micro-Operations at the back-end. So if Intel ...
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2answers
124 views

Intel IA-32 Protected Mode HW-Tasks: IRET return from interrupts within a nested HW-Task ( EFLAGS.NT=1 )

The INTEL manuals tell us that when a HW-task has been switched to using a 'CALL' instruction the destination task is considered a nested task: The processor copies the segment selector for the ...
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1answer
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How to reset all flags in 8085 without an arithmetic or logic operation?

How can I reset all flags in 8085 without an arithmetic or logic operation?
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296 views

I2C SoC explicitly not multimaster

While reading the guide of a chip I'm about to take in use (Intel Edison), I noticed the SoC is specifically not supporting multi-master. The SoC is always I2C master, it does not support ...
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3answers
6k views

Buses in 8086 micro-processor

What are the buses known as A, B, C in the following architecture of 8086? I cannot find any information about these.
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2answers
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intel nuc gpio access from ubuntu

I want to implement Interrupt Request via GPIO on Intel NUC d34010wkb. Are there any accessible GPIOs on board and how to access them? If there aren't any accessible GPIOs then what could be a ...