Unsigned 8 Bit Multiplier Control Unit(Entity)

LIBRARY gate_lib;

USE gate_lib.resources.all;

ENTITY mult_controller_behav IS

PORT(reset : IN level; -- global reset signal

start : IN level; -- input to indicate start of process

q0 : IN level; -- q0 ,input from data path

clk : IN level; -- clock signal

a_enable : OUT level; -- clock enable for A register

a_reset : OUT level; -- Reset control for A register

a_mode : OUT level; -- Shift or load mode for A

c_enable : OUT level; -- clock enable for c register

m_enable : OUT level; -- clock enable for M register

q_enable : OUT level; -- clock enable for Q register

q_mode : OUT level); -- Shift or load mode for Q

END mult_controller_behav;

Control

Unit

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This the entity description for the unsigned 8 bit multiplier control unit. It hooks to the datapath via the control signals listed.