  <td align="center">1</td>
        <td>A signal to enable the clock gating cell which outputs the ALU clock.</td>
    </tr>
        <tr>
        <td>address</td>
        <td>output</td>
        <td align="center">log<sub>2</sub>(REGISTER_FILE_DEPTH) (defult value is 4)</td>
        <td>The address of the register to be read from or written to.</td>
    </tr>
    <tr>
        <td>write_enable</td>
        <td>output</td>
        <td align="center">1</td>
        <td>A signal to enable the read operation fro