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2
votes
2answers
213 views

Best board-to-board low latency protocol/interface

I've been asking similar question which received some downvotes, so I'm reformulating my task (hopes this one gives more clarity). I'm planning to establish a high-speed (3 Gpbs full duplex) serial ...
0
votes
1answer
108 views

Several MIDI over USB Device

I'm looking at creating a "specialized" MIDI over USB device for a project I'm working on and my requirements have gone beyond that of the Arduino/Pi/etc, due to limited I/O. I am very much a beginner ...
0
votes
0answers
226 views

Convert parallel LVDS to csi-2

I have a camera outputing parallel data and I want to interface it with iMX6 module which accepts CSI-2 camera data. Are there any ready & cheap solutions to convert parallel into CSI-2. Lattice ...
0
votes
1answer
191 views

deserializing high speed data

I am trying deserialize data that come out of a LM98640 into 14 bits words: Attached you can find a figure of the signals out of the LM98640. http://www.ti.com/lit/ds/symlink/lm98640qml-sp.pdf (...
1
vote
0answers
695 views

Serializing and Deserializing data

I am trying to develop a data link on FPGA. The transmitter combines 8 channel input to single output. The Rx has to de multiplex the single channel to 8 bit parallel output. presently the system is ...
2
votes
2answers
281 views

developing simple serial link on FPGA

I am trying to develop a digital data link based on FPGA (spartan 3E) where the transmitter serializes 8 bit parallel input to single channel. At receiver side I want to get the data back by de ...
5
votes
1answer
516 views

What does the FPGA do with unreferenced I/O pins?

Here's one thats been puzzling me for a while. I have an FPGA design in Altera, driving an audio chip and programmed through its serial interface. I monitor and debug this with an oscilloscope/...
1
vote
3answers
427 views

DE0-nano I/O with TTL cable

I'm currently working on a project about I/O with FPGA. I am using TTL-232R-3v3 cable for serial communication between my laptop and DE0-nano. I want to know if it is possible to send a signal on RX ...
6
votes
2answers
425 views

Is anything besides rx and tx actually used in rs232 nowadays?

Whenever I come across a PIC or even a FPGA project that is communicating over the serial port with a PC; only Rx, Tx and power are connected on the 9 pin connector and the other pins/signals are ...
3
votes
1answer
66 views

Help with multiple receiver channels and single storage architecture

I want to build a datalogger that has multiple receiver channels that run on serial communication protocol RS232 and then collect the information from the channels in a single storage that would be ...
3
votes
3answers
3k views

UART Receiver Sampling Rate

I am trying to create a UART receiver in Verilog for my FPGA. I was following this guide http://www.fpga4fun.com/SerialInterface4.html According to it the standard practice for asynchronous ...
1
vote
1answer
316 views

FPGA; reconfigure from SPI flash

I have designed a Xilinx Spartan-6 PCI card with SPI configuration interface (please check Figure 2-12 of ug380.pdf user guide). I can program the serial flash through JTAG cable, I can also modify/...
1
vote
1answer
878 views

Having trouble synchronizing serial data from FPGA to python script

I have a Spartan 6 that's collecting some data I need to send over serial to a python script where it can be displayed on my PC. This is actually the first time I've ever dug into serial ...
0
votes
1answer
164 views

nRF8001 DevKit usage with FPGA and Embedded Linux

I would like to develop an application with Nordic's nRF8001 DevKit. The master emulator of this kit is an USB Dongle and it is originally meant for PC connection. My final goal for the project is to ...
0
votes
2answers
3k views

PC serial communication with FPGA

I am designing a simple 16 bit adder circuit in Digilent's Xilinx Spartan 6 FPGA. The Verilog design accepts two 16 bit inputs A and B and returns the 16 bit sum C = A+B. I am ignoring carry in and ...
1
vote
0answers
336 views

Using nRF8001 as a master with an FPGA

I would like to use Nordic's nRF8001 modules in Master and Slave modes and also would like to connect it with Spartan-3E FPGAs using SPI. I am considering buying the nRF8001 DevKit. I believe it is ...
6
votes
1answer
4k views

Transceivers in the field of FPGAs: When and why will we use them?

I am recently getting myself into the field of FPGA design and development, and lately I've found myself hearing a lot about transceivers. I tried searching the net for some answers about these ...
5
votes
1answer
1k views

Understanding timing constraints

I don't want an introductory text on timing constraints, nor an application note, an user manual, a webinar. I read them all, already, many times. The concept behind timing constraints is very easy. ...
3
votes
1answer
2k views

In-System Programming of FPGA by MCU

Let me know if this is the wrong place for this, but I am looking to program an FPGA (Spartan 6, I believe) using a microcontroller. Right now the way I am thinking about doing this is I will load ...
2
votes
3answers
666 views

How to write to block memory?

I need to write 16x16 bit data to block memory. I am using RS232 to send data. To get 16 bit data, I send 2x8bit. Now, how can I write my data to the memory? I have a write signal and 16 bit input ...
2
votes
3answers
520 views

How can I figure out an unknown UART's speed?

So I have a piece of hardware I'm reverse engineering. I believe I've found a UART on the board. I have an FPGA connected to it that just does: ...