Build A Byte Blaster Circuit

Posted on Feb 6, 2014

This schematic is taken directly from the Altera ByteBlaster datasheet or manual. They spill out all the fine print and details of how the connector works & what connections go where. Find the datasheet on their website or through google and give it a good read through. The 74LS244 is a Low Power Schottky Octal Buffer. A downside to using this ch

Build A Byte Blaster Circuit
Click here to download the full size of the above Circuit.

ip in this design is that some computer parallel ports may not offer enough power for this circuit. The ByteBlaster MV is an updated design that solves this problem, something we`ll explore later on. These resisitors act as simple current limiting resistors. They make sure no surge of current can come from the JTAG or Parallel ports that might potentially damage the 74LS244. The pins for the 10-Pin connector are again clearly labeled. Notice that only 8 of the 10 pins are actually connected to the JTAG style connector.

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