OpenCores

Rev 6	Rev 9
Line 28...	Line 28...
`outsignal=o_name`	`outsignal=o_name`
`specifies the name of the output signal`	`specifies the name of the output signal`
`Note: The name must start with "o_".`	`Note: The name must start with "o_".`
`ratemethod={clk/rate\|count}`	`ratemethod={clk/rate\|count}`
`specifies the frequency at which the PWM counter is incremented`	`specifies the frequency at which the PWM counter is incremented`
	`Note: "clk," "rate," and "count" can be integers or can be declared by`
	`CONSTANT, LOCALPARARM, or PARAMETER configuration commands.`
`Example: ratemethod=count means to increment the PWM counter once every`	`Example: ratemethod=count means to increment the PWM counter once every`
`"count" clock cycles.`	`"count" clock cycles.`
	`Example: ratemethod=G_CLK_HZ/1_000 means to use the parameter G_CLK_HZ`
	`(set elsewhere) and a 1,000 Hz update rate to determine the`
	`number of clock cycles between updates.`
`invert\|noinvert`	`invert\|noinvert`
`optional configuration command to invert or to not invert the PWM output`	`optional configuration command to invert or to not invert the PWM output`
`Default: don't invert the output (i.e., a command of 0 means the output is`	`Default: don't invert the output (i.e., a command of 0 means the output is`
`always low)`	`always low)`
`Note: "invert" should be used when pulling the external signal to ground`	`Note: "invert" should be used when pulling the external signal to ground`

Line 28...

    outsignal=o_name

    outsignal=o_name

      specifies the name of the output signal

      specifies the name of the output signal

      Note:  The name must start with "o_".

      Note:  The name must start with "o_".

    ratemethod={clk/rate|count}

    ratemethod={clk/rate|count}

      specifies the frequency at which the PWM counter is incremented

      specifies the frequency at which the PWM counter is incremented

      Note:  "clk," "rate," and "count" can be integers or can be declared by

             CONSTANT, LOCALPARARM, or PARAMETER configuration commands.

      Example:  ratemethod=count means to increment the PWM counter once every

      Example:  ratemethod=count means to increment the PWM counter once every

                "count" clock cycles.

                "count" clock cycles.

      Example:  ratemethod=G_CLK_HZ/1_000 means to use the parameter G_CLK_HZ

                (set elsewhere) and a 1,000 Hz update rate to determine the

                number of clock cycles between updates.

    invert|noinvert

    invert|noinvert

      optional configuration command to invert or to not invert the PWM output

      optional configuration command to invert or to not invert the PWM output

      Default:  don't invert the output (i.e., a command of 0 means the output is

      Default:  don't invert the output (i.e., a command of 0 means the output is

                always low)

                always low)

      Note:  "invert" should be used when pulling the external signal to ground

      Note:  "invert" should be used when pulling the external signal to ground

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