The spec-to-silicon bridge

Bridge intent to RTL

Describe a hardware block in plain English. RTLBridge returns synthesizable Verilog or SystemVerilog, a matching testbench, and verification results — closing the gap between what you mean and what simulates.

Start building See it in action

1 spec

RTL + bench + verify

Verilog & SV

Synthesizable output

Minutes

Spec to first simulation

One prompt across the bridge

Illustrative — real output depends on your spec, settings, and model.

You write

“8-bit synchronous up-counter, active-low async reset, hold on disable, and an overflow flag. FPGA-style RTL plus a testbench that checks reset, enable, and rollover.”

RTLBridge returns

module binary_counter #(
    parameter WIDTH = 8
)(
    input  wire              clk,
    input  wire              reset_n,
    input  wire              enable,
    output reg  [WIDTH-1:0] count,
    output wire              overflow
);

assign overflow = &count && enable;

always_ff @(posedge clk or negedge reset_n)
    if      (!reset_n)  count <= '0;
    else if (enable)   count <= count + 1'b1;

endmodule

Why teams cross with RTLBridge

Outcomes, not boilerplate

Ship the first draft faster

Go from a written spec to RTL and a runnable testbench in one pass, so the slow part of a new block — getting to a first simulation — happens in minutes.

Catch bugs before review

Automated testbench generation and verification runs surface functional issues early, instead of relying on reading code by eye.

Iterate from prose

Tighten constraints in follow-up messages and regenerate. Optional reflection, web search, and code RAG sharpen results when your deployment enables them.

Stay in your toolchain

Export RTL and test collateral and run them through the synthesis, lint, and signoff tools you already trust.

Verilog & SystemVerilog

Generate either, aligned to your description and target style — FPGA or ASIC flows.

Built for teams

Authenticated sessions and API access patterns suited to team deployments; treat prompts and generated code as internal IP.

Crossing the bridge

Three steps in the Single Module Generator

Describe

Write interfaces, timing intent, and behavior in plain language — enough for RTL and for what the testbench should check.

Generate

Run a straight pass in Agent mode, or answer clarifying questions first in Plan mode. RTL and testbench come out together.

Verify & export

With auto-verify on, review results inline, then download RTL and logs for your own environment.

Questions, answered

For teams evaluating RTLBridge

For a single block: synthesizable Verilog/SystemVerilog RTL, a matching testbench, and — when auto-verify is on — verification results you can review before exporting.

Today RTLBridge focuses on the single-module author loop: one block, end to end. Hierarchical multi-module planning and integration are a separate concern, not what this flow covers.

No AI-generated RTL should skip your normal review, lint, formal, and signoff. RTLBridge speeds up drafting and test iteration; ownership of quality stays with your team.

RTLBridge can require an administrator to approve new users before workflow access. You'll see a pending notice until approval completes.

Cross from spec to RTL

Create an account, open the Single Module workflow once an administrator enables access, and let RTLBridge carry your spec to verified RTL.

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