| How to make a JTAG cable for your embedded system? |
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You can make an EasyICE (Jtag Cable) by yourself, please do it! |
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One end of Jtag Cable is a DB25 header used for connecting the parallel port of computer,
and the other end is a 20 pins (or 14 pins) IDC header used for connecting the user’s target board.
Simply to draw a circuit board as following show in schematic figure (a) and fingure (b)
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| Schematic of JTAG Cable - just do it by yourself |
Figure a: One side to coverte the voltage level from LPT port to Jtag TTL voltage level |
Fingure b: Another side of Jtag Cable provided 20 pins IDC connector
(also defined as 8/10/14 pins) |
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