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@@ -250,12 +250,16 @@ and has a built in relay to power cycle targets remotely. |
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@section Choosing a Dongle |
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There are three things you should keep in mind when choosing a dongle. |
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There are several things you should keep in mind when choosing a dongle. |
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@enumerate |
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@item @b{Voltage} What voltage is your target? 1.8, 2.8, 3.3, or 5V? Does your dongle support it? |
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@item @b{Connection} Printer Ports - Does your computer have one? |
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@item @b{Connection} Is that long printer bit-bang cable practical? |
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@item @b{Voltage} What voltage is your target - 1.8, 2.8, 3.3, or 5V? |
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Does your dongle support it? You might need a level converter. |
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@item @b{Pinout} What pinout does your target board use? |
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Does your dongle support it? You may be able to use jumper |
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wires, or an "octopus" connector, to convert pinouts. |
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@item @b{Connection} Does your computer have the USB, printer, or |
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Ethernet port needed? |
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@item @b{RTCK} Do you require RTCK? Also known as ``adaptive clocking'' |
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@end enumerate |
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@@ -356,6 +360,10 @@ The two well known ``JTAG Parallel Ports'' cables are the Xilnx DLC5 |
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and the MacGraigor Wiggler. There are many clones and variations of |
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these on the market. |
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Note that parallel ports are becoming much less common, so if you |
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have the choice you should probably avoid these adapters in favor |
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of USB-based ones. |
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@itemize @bullet |
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@item @b{Wiggler} - There are many clones of this. |
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