In part 3 the SRAM_Controller and Peripheral_on_External_Bus modules are not altered from parts 1 and 2, but instantiated. The instantiation of the Peripheral_on_External_Bus bus_enable signal involves the use of the bridge bus_enable ANDed with address[??]. Fill in the ?? below:
Question
In part 3 the SRAM_Controller and Peripheral_on_External_Bus modules are not altered from parts 1 and 2, but instantiated. The instantiation of the Peripheral_on_External_Bus bus_enable signal involves the use of the bridge bus_enable ANDed with address[??]. Fill in the ?? below:
Solution
The question seems to be asking for a specific address bit to be used in conjunction with the 'bus_enable' signal. However, without additional context or information about the specific configuration of your system, it's impossible to provide a definitive answer.
In general, the address bit you would use depends on how your memory is organized and how you've set up your peripheral on the external bus. You would typically choose an address bit that corresponds to the specific peripheral or memory location you want to enable.
For example, if you have a peripheral mapped to a specific range of addresses, you might use the most significant bit (MSB) of the address to enable the peripheral when accessing that range. If your peripheral is mapped to address '1000' (in binary), you might AND 'bus_enable' with 'address[3]' (assuming a 4-bit address for simplicity).
Again, this is just a general example. The specific address bit you need to use would depend on your specific system configuration.
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