Counter/shifter

The outputs of the counter / shifter change in response to a rising edge on the INPUT pin.

The outputs can be reset by taking the RESET (R) pin high. For binary 'Type' RESET means all output pins to 0 (low) and for shift down 'Type' RESET means pin 1 to 1 (high) and all other output pins to 0. The outputs will remain in this state until the RESET pin goes high again and the INPUT pin goes high again to start the count / shift.

Taking the DIRECTION (D) pin high will cause the outputs to count or shift down rather than up.

The lights on the logic object design block indicate the current state of the inputs and output. These are operational in simulation and when online to the device.

Properties

Number of outputs
Displays the number of outputs. This can be set from 1 to 32.

Type
Selects whether the counter / shifter is to be set up as a binary counter or shift down. When set to be a binary counter, the outputs will increment in binary fashion each time the input goes high. When set as a shift down, the output which is high will move on to the next output each time the input goes high.