I know that a 2 bit up down counter looks like the attachment.
Now I am suppose to add an enable input that determines whether the counter is on or off. Where if E=0 the counter is disabled and remains at is present count even though clock pulses are applied to flip flops. Then if E=1 the counter is enabled and a second input, x, determines the direction of the count. If x=1 the circuit counts upward (00,01,10,11) and count repeats. If x=0 the circuit counts downward and count repeats.
I am not allowed to disable clock with E.
I don't understand how to implement an enable.
Can anyone help me?
Now I am suppose to add an enable input that determines whether the counter is on or off. Where if E=0 the counter is disabled and remains at is present count even though clock pulses are applied to flip flops. Then if E=1 the counter is enabled and a second input, x, determines the direction of the count. If x=1 the circuit counts upward (00,01,10,11) and count repeats. If x=0 the circuit counts downward and count repeats.
I am not allowed to disable clock with E.
I don't understand how to implement an enable.
Can anyone help me?
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