How many levels of logic are there between Datain and DataOut? module LogicModule ( input logic clk, input logic Rst, input logic [7:0] DataIn, output logic [7:0] DataOut ); always @(posedge Clk) begin Dataout [7] <= DataIn[e] or DataIn[1]; DataOut [6] <= DataIn[1] or DataIn[2]; Dataout [5] <= DataIn[2] or DataIn[3]; Dataout [4] <= DataIn[3] or DataIn[4]; Dataout [3] <= DataIn[4] or DataIn[5]; Dataout [2] <= DataIn[5] or DataIn[6]; DataOut[1] <= DataIn [6] or DataIn[7]; DataOut[e] <= DataIn [7] or DataIn[0];

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## Logic Level Analysis in Verilog

### Code Description

The following code defines a module named `LogicModule` in Verilog, which includes:

- **Inputs**:
  - `Clk`: A clock signal.
  - `Rst`: A reset signal.
  - `DataIn`: An 8-bit input bus.

- **Output**:
  - `DataOut`: An 8-bit output bus.

The module operates as follows:

```verilog
module LogicModule (
    input logic Clk,
    input logic Rst,
    input logic [7:0] DataIn,
    output logic [7:0] DataOut
);

always @(posedge Clk) begin
    DataOut[7] <= DataIn[0] or DataIn[1];
    DataOut[6] <= DataIn[1] or DataIn[2];
    DataOut[5] <= DataIn[2] or DataIn[3];
    DataOut[4] <= DataIn[3] or DataIn[4];
    DataOut[3] <= DataIn[4] or DataIn[5];
    DataOut[2] <= DataIn[5] or DataIn[6];
    DataOut[1] <= DataIn[6] or DataIn[7];
    DataOut[0] <= DataIn[7] or DataIn[0];
end

endmodule
```

### Logic Levels Analysis

In this module, each bit of the `DataOut` is determined by the logical OR operation between two consecutive bits of `DataIn`. This implies a single level of logic is used, as each output bit results from a straightforward OR operation without any additional complexity or layers of logic.

### Question

**How many levels of logic are there between DataIn and DataOut?**

### Answer Choices

1. 0
2. 1 (Correct Answer)
3. 2
4. 4

### Explanation

- The operations performed are all simple OR gates applied directly to pairs of input bits.
- Therefore, only one level of logic is involved in this data path.
Transcribed Image Text:## Logic Level Analysis in Verilog ### Code Description The following code defines a module named `LogicModule` in Verilog, which includes: - **Inputs**: - `Clk`: A clock signal. - `Rst`: A reset signal. - `DataIn`: An 8-bit input bus. - **Output**: - `DataOut`: An 8-bit output bus. The module operates as follows: ```verilog module LogicModule ( input logic Clk, input logic Rst, input logic [7:0] DataIn, output logic [7:0] DataOut ); always @(posedge Clk) begin DataOut[7] <= DataIn[0] or DataIn[1]; DataOut[6] <= DataIn[1] or DataIn[2]; DataOut[5] <= DataIn[2] or DataIn[3]; DataOut[4] <= DataIn[3] or DataIn[4]; DataOut[3] <= DataIn[4] or DataIn[5]; DataOut[2] <= DataIn[5] or DataIn[6]; DataOut[1] <= DataIn[6] or DataIn[7]; DataOut[0] <= DataIn[7] or DataIn[0]; end endmodule ``` ### Logic Levels Analysis In this module, each bit of the `DataOut` is determined by the logical OR operation between two consecutive bits of `DataIn`. This implies a single level of logic is used, as each output bit results from a straightforward OR operation without any additional complexity or layers of logic. ### Question **How many levels of logic are there between DataIn and DataOut?** ### Answer Choices 1. 0 2. 1 (Correct Answer) 3. 2 4. 4 ### Explanation - The operations performed are all simple OR gates applied directly to pairs of input bits. - Therefore, only one level of logic is involved in this data path.
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