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Altera_Forum's avatar
Altera_Forum
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13 years ago

Could some one explain some thing in this schematic please :)

Im very new to FPGA's and am using this attached schematic to crib from. every thing makes sense apart from the following FPGA pins pins 26,81 held high to 1.2v pins 27,80 held to ground ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

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4) Put source terminations on anything that is a clock, eg., the DCLK output from the FTDI chip, the SCLK to the SPI connector, and the clock oscillator.

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Im not quite sure what you mean here? is this some sort of resistor down to gnd? what does this achieve? Thanks :)