The Register acts as a unit of memory. It is available in 8-bit, 16-bit, 32-bit, and 64-bit varieties.
There are 3 inputs and a single output.
The Load pin controls whether or not the current value is being output on the Output pin. The value is only output when there is an ON (1) signal on the Load pin.
The Save pin controls whether or not the current value gets overwritten by the value that is detected on the Save Value. When an ON (1) signal is detected on the Save pin, the value on the Save Value pin is stored. When the Save pin is in the OFF (0) position, no changes will happen to the value.