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the cable toy are using must have 3 wires
PC1 TX - PC2 RX
PC1 EX - PC2 TX
GND - GND
and you should check you are using any control signals. If you are using basic communication no flow control or Xon flag is required
If you are going to use only HDLC you can go for any low end devices with 6-12 thousand gates. But if you are going to use it as a module for some other communication block, better go for high end FPGA's like Virtex or Spartan Series form Xilinx or APEX III or Cyclone devices from ALTERA.
Re: fpga
FPGA- Field Programmable Gate Arrays- in which the programmable hardware logic cells (LC)/ logic elements (LE) are sram based and can be programmed using a program device.
You can program using c language also but the c code must be converted into EDIF format in which the FPGA LEs or...
Dedicated line
- A dedicated line is a telecommunications path between two points that is available 24 hours a day for use by a designated user (individual or company). It needs to be connected to the other end for every call or data transfer( i.e modem connection should be established for each...
Re: help encryption
you can get some information at h**p://islab.oregonstate.edu/koc/Publications.htm. and h**p://islab.oregonstate.edu/koc/Teaching.html
He is one of the poineer in the area of VLSI and FPGA implementation of Cryptographic algorithms
Re: video encryption
Hi you can try any of the MPEG-3 or MPEG-4 video compressing algorithms.
they interally have samll encryption block. If you are searching for video encryption algorithm you'll get the same answer. So go through the MPEG-3 or Mpeg-4 and try to modifey or put your own...
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