OpenCores

Line 478...

i\_clk & 1 & Input & The global clock driving the FFT. \\\hline

i\_clk & 1 & Input & The global clock driving the FFT. \\\hline

i\_rst & 1 & Input & An active high synchronous reset.\\\hline

i\_rst & 1 & Input & An active high synchronous reset.\\\hline

i\_ce & 1 & Input & Clock Enable.  Set this high to clock data in and

i\_ce & 1 & Input & Clock Enable.  Set this high to clock data in and

                out.\\\hline

                out.\\\hline

i\_left & $2N_i$ & Input & The first of two input complex input samples.  Bits

i\_left & $2N_i$ & Input & The first of two input complex input samples.  Bits

                [$2N_i-1$:$2N_i$] of this value are the real portion,

                [$\left(2N_i-1\right)$:$N_i$] of this value are the real

                whereas bits [$2N_i-1$:0] represent the imaginary portion.

                portion, whereas bits [$\left(N_i-1\right)$:0] represent the

                Both portions are in signed twos complement integer format.

                imaginary portion.  Both portions are in signed twos complement

                The number of bits, $N_i$, is configurable.

                integer format.  The number of bits, $N_i$, is configurable.

                \\\hline

                \\\hline

i\_right & $2N_i$ & Input & The second of two input complex input samples.

i\_right & $2N_i$ & Input & The second of two input complex input samples.

                The format is the same as {\tt i\_left} above.\\\hline

                The format is the same as {\tt i\_left} above.\\\hline

o\_left & $2N_o$ & Output & The first of two input complex output samples.

o\_left & $2N_o$ & Output & The first of two input complex output samples.

                The format is the same, save only that $N_o$ bits are

                The format is the same, save only that $N_o$ bits are

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Subversion Repositories dblclockfft

[/] [dblclockfft/] [trunk/] [doc/] [src/] [spec.tex] - Diff between revs 11 and 12

Rev 11	Rev 12
Line 478...	Line 478...
`i\_clk & 1 & Input & The global clock driving the FFT. \\\hline`	`i\_clk & 1 & Input & The global clock driving the FFT. \\\hline`
`i\_rst & 1 & Input & An active high synchronous reset.\\\hline`	`i\_rst & 1 & Input & An active high synchronous reset.\\\hline`
`i\_ce & 1 & Input & Clock Enable. Set this high to clock data in and`	`i\_ce & 1 & Input & Clock Enable. Set this high to clock data in and`
`out.\\\hline`	`out.\\\hline`
`i\_left & $2N_i$ & Input & The first of two input complex input samples. Bits`	`i\_left & $2N_i$ & Input & The first of two input complex input samples. Bits`
`[$2N_i-1$:$2N_i$] of this value are the real portion,`	`[$\left(2N_i-1\right)$:$N_i$] of this value are the real`
`whereas bits [$2N_i-1$:0] represent the imaginary portion.`	`portion, whereas bits [$\left(N_i-1\right)$:0] represent the`
`Both portions are in signed twos complement integer format.`	`imaginary portion. Both portions are in signed twos complement`
`The number of bits, $N_i$, is configurable.`	`integer format. The number of bits, $N_i$, is configurable.`
`\\\hline`	`\\\hline`
`i\_right & $2N_i$ & Input & The second of two input complex input samples.`	`i\_right & $2N_i$ & Input & The second of two input complex input samples.`
`The format is the same as {\tt i\_left} above.\\\hline`	`The format is the same as {\tt i\_left} above.\\\hline`
`o\_left & $2N_o$ & Output & The first of two input complex output samples.`	`o\_left & $2N_o$ & Output & The first of two input complex output samples.`
`The format is the same, save only that $N_o$ bits are`	`The format is the same, save only that $N_o$ bits are`