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Questions tagged [data-transfer]

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What is the real transmission speed in UART?

I'm trying to transmit data at 6.144 Mbit/s through the UART port of Nucleo-H723ZG microcontroller. For reading on the PC, I'm using Free Device Monitoring Studio. Based on my UART parameters, I ...
Yusuf Dolu's user avatar
1 vote
1 answer
217 views

What does transfer rate in RAM actually mean? How do you actually measure it?

From what I gather, transfer rate is how many bits you transfer via the bus at once with every clock. So the formula would be: frequency (in MHz) * 2 (because of DDR) * bus width (because I think it's ...
WaveCave's user avatar
2 votes
2 answers
310 views

FT232H FIFO slow USB?

So, I have an FT232H chip, specifically this breakout. I'm trying to read data as fast as possible from it, so I've set it to synchronous 245 FIFO mode, which the datasheet says should yield up to 40 ...
Erhannis's user avatar
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1 answer
156 views

Send image using RPI to phone using Bluetooth [closed]

I'm looking to send an image file from a RPI Zero (or RPI4) to a mobile phone. The image file will be sent after pressing a push-button. The connection between the RPI and the phone is only Bluetooth (...
Gal Magen's user avatar
1 vote
3 answers
79 views

Accessing, processing and transmitting data from a simple digital device (a measuring wheel) to Android phone

Firstly, I have no electronic experience, so I don't know if the below is practical, or what hardware and software would be required to make it happen. Basically I would like to transmit the value ...
TameAim's user avatar
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1 answer
48 views

Using ethernet PHY building blocks PAM/PCS

This is a more theoretical question. Is it possible to use internal building blocks of an Ethernet PHY directly and without typical Ethernet framing? I am looking for a way to have access to the ...
ARi's user avatar
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3 answers
276 views

Which data transfer speed (connection protocol) do I need?

I have 124 sensors that sense analog signals ranging from DC to 25 kHz. Analog data is converted to digital with a resolution of 16 bits. The ADC I am using is the AD7656 with a data rate of 250 kSPS, ...
Fateme's user avatar
  • 338
0 votes
1 answer
887 views

Data transfer FPGA To PC via UART

I have implemented a TDC and an 8-bit encoder in my Artix-7 FPGA board and I want to transfer this data from FPGA to PC via UART protocol! I don't know if I should save this data in FIFO memory or ...
usereyi's user avatar
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1 answer
564 views

What are the possible strategies to transfer data from an FPGA accelerator to a hard-core CPU? [closed]

I am beginning with FPGAs and I am working on an accelerator that acquires data from a microphone (Pulse Density Modulation) and extracts a single frequency from the signal. My accelerator is ...
leopicchio's user avatar
0 votes
2 answers
112 views

What is the relationship between bandwidth in the context of a passable range of frequencies vs bits per second being transferred

I am in school for electrical engineering. I am still in introductory circuits. I have seen bandwidth used in the context of a Bode plot, which was describing the range of frequencies that a filter ...
John Eddy's user avatar
2 votes
2 answers
184 views

Weak edges over SPI data lines

I am developing a driver for an SPI temperature sensor, and having some trouble with poor quality edges near the end of packet on the data lines. While I am not experiencing any data loss, I am ...
stmfunk's user avatar
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1 vote
2 answers
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What is the correct way to calculate throughput for a part of digital circuit design? (I)

I am trying to understand the correct way to calculate throughput of a digital hardware design block that forms part of a bigger system. Here are the few scenarios: DUT takes 10 clock cycles to ...
quantum231's user avatar
0 votes
2 answers
271 views

Hardwiring USB - Switch data lines?

I am trying to hard wire a USB host to a slave, but i don't know if there is maybe a data line switch that would be there if I used a USB cable. I thought I might have to because I looked at some USB ...
ShortsKing's user avatar
0 votes
1 answer
429 views

Why is programmed I/O not suitable for high-speed data transfer?

I am learning about computer architecture and organization. I have read that programmed I/O is not suitable for high-speed data transfer because it does not support synchronous mode of data ...
Anshul Gupta's user avatar
-2 votes
2 answers
182 views

Can synchronous data transfer be used for transferring large data in case of computer architecture and organization? [closed]

I am learning computer architecture and organization. I have this confusion, can synchronous data transfer be used for transferring large data in case of computer architecture and organization? I ...
Anshul Gupta's user avatar
2 votes
4 answers
1k views

Why is asynchronous data transfer only suitable for slow devices?

I have read that asynchronous data transfer is wasteful of CPU time for slow devices like keyboard or mouse. Then how is it possible that it is suitable only for slow devices like keyboard or mouse ...
Anshul Gupta's user avatar
2 votes
1 answer
277 views

Average data transfer rate

I am learning computer architecture and organization I am stuck in the following question. Consider a hard disk with sector size 1024 bytes, 5000 tracks per surface, 64 sectors per track, and 8 ...
Anshul Gupta's user avatar
2 votes
3 answers
581 views

SPI between MCUs

As a newcomer to PIC programming, I am looking for some thoughts on how to implement SPI between a master and slave MCU the most efficient way. The purpose of this system is to provide an extremely ...
Peterstevens's user avatar
2 votes
1 answer
5k views

STM32: Saving 50Mbit/s data in sdram or sd card

Could STM32f429 save image data to sdram or sd card? Camera module outputs its data at a data rate of 50Mbit/s via 8 parallel ports. What I want to do is to save this data into the SDRAM or SD card as ...
SD11's user avatar
  • 563
4 votes
3 answers
245 views

Why interfaces and buses gets faster with every version if they are physically the same?

An interface or computer expansion bus gets faster with every version eg. PCI express 1.0 is 4GB/sm, PCI express 2.0 is 8GB/s, PCI express 3.0 is 16GB/s. I understand that things like microprocessors ...
nhgtygbg's user avatar
3 votes
1 answer
1k views

Transferring arbitrary data via Bluetooth Smart (BLE) with nRF51

I was wondering if it was possible to send arbitrary packets of data over a Bluetooth Smart (Low Energy, 4.0) link from a nRF51 (Nordic Semi, BLE compliant SoC) to a phone? Also if you don't know the ...
JJJ's user avatar
  • 33
-2 votes
1 answer
1k views

spidev_test.c analysis [closed]

I'm trying to connect a Raspberry Pi with a PIC32 through SPI. For RPi I'm using the spidev_test.c code (I'm modifying it to suit my needs) but... because I'm a novice in programming hardware, I'm ...
Andrei Tudora's user avatar