CSE 378 Spring 2007

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CSE 378 Spring 2007

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Miscellaneous Units Module: ClockSystem The clock system module takes the system clock and reset signals from the board and provides clocks and a reset signal for the various components in the processor. Port Description:   Name Dir Width Description SYSTEM_CLOCK In 1 On-board clock that is used to generate the various clock signals Hard_Reset_Switch In 1 Connected to the hard reset switch on the board so that it can be used to reset the board. Soft_Reset_Switch In 1 Connected to the soft reset switch on the board so that it can be used to reset the board. CLK Out 1 Clock for the processor Serial_Clock Out 1 Clock for the serial controller, currently not in use VGA_Clock Out 1 Clock for the VGA controller Reset Out 1 Local reset signal Symbols:   Module: Constant This module produces a constant value that can be used elsewhere in your design. Parameters:   Name Default Description VALUE 4 The value to produce WIDTH 32 Width of the output Port Description:   Name Dir Width Description Value Out WIDTH Value produced by this module as specified in the VALUE parameter. Symbols:

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