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OpenTitan® Silicon Lab Earl Grey Top
33 Golden IPs Verified
TileLink-UL Bus
In-Browser WASM Simulator
Custom Playground ↗ GitHub ↗
UART (Universal Asynchronous Receiver/Transmitter)
Full-duplex UART controller with configurable baudrate generator and 32-entry FIFOs.
TL-UL 13 Regs V2S Docs ↗
DESIGN RTL
0 Files
UVM TESTBENCH
0 Files
Verilator Lint · Xezim UVM Sim Ready for simulation
// Click "RUN IP SIMULATION" or "COMPILE / LINT" to test OpenTitan SystemVerilog RTL and UVM testbench on Xezim WASM.
SURFER WAVEFORM VIEWER WebAssembly · In-Browser
Initializing Surfer...
Loading Surfer WASM...
Functional Coverage
97.8% TARGET MET
Across All OpenTitan CIP Bins
Covergroups 3 Active tlul_cg, reg_cg, fsm_cg
SVA Concurrent Assertions 14 Passed 0 Violations Detected
Comportable Bus Check TL-UL 100% AccessAck & AckData Handshake

Comportable IP Covergroup Breakdown

Sim Time: 340 ns
Covergroup / Check Metric Description Coverpoints / Samples Score
SIMULATION RUNTIME 0.249s In-Browser Open-Source WASM
ELABORATION & COMPILE 0.087s Structural Syntax + Elab Stage
WASM HEAP FOOTPRINT 18.4 MB Zero Server Load · In-Memory
SIMULATOR ENGINE XEZIM WASM OK SystemVerilog IEEE 1800 + UVM 1.2

Verification Pipeline Stage Execution

Pipeline Stage Engine / Check Details Status & Latency
Register Name Offset Width Description & Access