Pinxu Wang — Notes & ProjectsDigital IC verification & RTL notes and project writeups by Pinxu Wang.https://coffeebeforearch.com/NPU Chip Design & Verification — CNN Accelerator (Tape-out)https://coffeebeforearch.com/projects/04-npu-cnn-tapeout/https://coffeebeforearch.com/projects/04-npu-cnn-tapeout/22 nm CNN inference NPU, pre-silicon verification ownership through tape-out and silicon validation.Sun, 01 Feb 2026 00:00:00 GMTAXI Address Mapping & Hash Routing UVM Verificationhttps://coffeebeforearch.com/projects/01-axi-uvm-verification/https://coffeebeforearch.com/projects/01-axi-uvm-verification/Industrial UVM internship — parameterized AXI verification, ID Remap/Reorder, 100% coverage signoff.Sat, 01 Feb 2025 00:00:00 GMTRV32I CPU Datapath — RTL to GDSII (FreePDK 45 nm)https://coffeebeforearch.com/projects/03-rv32i-rtl-to-gdsii/https://coffeebeforearch.com/projects/03-rv32i-rtl-to-gdsii/Full RTL → GDSII flow on FreePDK 45 nm — DRC/LVS clean, 500 MHz timing closure.Sat, 01 Feb 2025 00:00:00 GMTC++ Advanced Programminghttps://coffeebeforearch.com/notes/cpp-advanced/https://coffeebeforearch.com/notes/cpp-advanced/C++ 提高编程Fri, 20 Dec 2024 00:00:00 GMTC++ Core Programminghttps://coffeebeforearch.com/notes/cpp-core/https://coffeebeforearch.com/notes/cpp-core/C++ 核心编程Fri, 20 Dec 2024 00:00:00 GMTC++ Fundamentalshttps://coffeebeforearch.com/notes/cpp-basics/https://coffeebeforearch.com/notes/cpp-basics/C++ 基础入门Fri, 20 Dec 2024 00:00:00 GMTECE 411 MP — Pipeline Guidehttps://coffeebeforearch.com/notes/ece411-mp-pipeline-guide/https://coffeebeforearch.com/notes/ece411-mp-pipeline-guide/ECE 411 流水线项目1 — 指南Wed, 11 Sep 2024 00:00:00 GMTECE 411 MP — Pipeline Specificationhttps://coffeebeforearch.com/notes/ece411-mp-pipeline-readme/https://coffeebeforearch.com/notes/ece411-mp-pipeline-readme/ECE 411 流水线项目 — 规格说明Wed, 11 Sep 2024 00:00:00 GMTECE 411 Notes — Knowledge Summaryhttps://coffeebeforearch.com/notes/ece411-knowledge-summary/https://coffeebeforearch.com/notes/ece411-knowledge-summary/ECE 411 知识总结Mon, 09 Sep 2024 00:00:00 GMTECE 411 MP1 (mp_verif) — Specificationhttps://coffeebeforearch.com/notes/ece411-mp-verif-readme/https://coffeebeforearch.com/notes/ece411-mp-verif-readme/ECE 411 MP1 验证项目 — 规格说明Tue, 03 Sep 2024 00:00:00 GMTECE 411 MP1 (mp_verif) — Guidehttps://coffeebeforearch.com/notes/ece411-mp-verif-guide/https://coffeebeforearch.com/notes/ece411-mp-verif-guide/ECE 411 MP1 验证项目 — 指南Tue, 03 Sep 2024 00:00:00 GMTSingle-Issue RISC-V Out-of-Order Pipeline Processorhttps://coffeebeforearch.com/projects/02-riscv-ooo-pipeline/https://coffeebeforearch.com/projects/02-riscv-ooo-pipeline/Single-issue Tomasulo RV32IM with reorder buffer, branch prediction, and split L1 cache hierarchy.Sun, 01 Sep 2024 00:00:00 GMTTestbench Architecture & SystemVerilog interfacehttps://coffeebeforearch.com/notes/testbench-interface/https://coffeebeforearch.com/notes/testbench-interface/测试平台和 interfaceSat, 04 May 2024 00:00:00 GMTSystemVerilog Stimulus Timing & Race-Hazard Mitigationhttps://coffeebeforearch.com/notes/sv-stimulus-timing-race-hazard/https://coffeebeforearch.com/notes/sv-stimulus-timing-race-hazard/SV 的激励时序:解决竞争冒险现象Fri, 03 May 2024 00:00:00 GMTVerilog Vending Machine FSMhttps://coffeebeforearch.com/notes/verilog-vending-machine/https://coffeebeforearch.com/notes/verilog-vending-machine/Verilog 饮料机有限状态机Sat, 06 Apr 2024 00:00:00 GMTVerilog System Tasks & Compiler Directiveshttps://coffeebeforearch.com/notes/verilog-system-tasks-preprocessor/https://coffeebeforearch.com/notes/verilog-system-tasks-preprocessor/Verilog 系统任务和编译预处理语句Wed, 03 Apr 2024 00:00:00 GMTTasks & Functions — Bubble Sorthttps://coffeebeforearch.com/notes/task-function-bubble-sort/https://coffeebeforearch.com/notes/task-function-bubble-sort/任务与函数:冒泡排序Tue, 02 Apr 2024 00:00:00 GMTLoop Constructs — 8-bit Multiplication Mini-Projecthttps://coffeebeforearch.com/notes/loop-training-8bit-multiplication-mp/https://coffeebeforearch.com/notes/loop-training-8bit-multiplication-mp/循环语句训练:8 bits 乘法器小项目Mon, 01 Apr 2024 00:00:00 GMTVerilog Asynchronous Reset, Synchronous Releasehttps://coffeebeforearch.com/notes/verilog-async-reset-sync-release/https://coffeebeforearch.com/notes/verilog-async-reset-sync-release/Verilog 异步复位 / 同步释放Sat, 30 Mar 2024 00:00:00 GMTBCD Adder Counter Mini-Projecthttps://coffeebeforearch.com/notes/bcd-adder-counter-mp/https://coffeebeforearch.com/notes/bcd-adder-counter-mp/BCD 码加法计数器小项目Thu, 28 Mar 2024 00:00:00 GMTVerilog Operatorshttps://coffeebeforearch.com/notes/verilog-operators/https://coffeebeforearch.com/notes/verilog-operators/Verilog 运算符Wed, 27 Mar 2024 00:00:00 GMTVerilog Statementshttps://coffeebeforearch.com/notes/verilog-statements/https://coffeebeforearch.com/notes/verilog-statements/Verilog 语句Wed, 27 Mar 2024 00:00:00 GMTVerilog Operators — RTL & Testbench Mini-Projecthttps://coffeebeforearch.com/notes/verilog-operators-rtl-tb-mp/https://coffeebeforearch.com/notes/verilog-operators-rtl-tb-mp/Verilog 运算符 RTL 与测试平台小项目Tue, 26 Mar 2024 00:00:00 GMTVerilog Basic Syntaxhttps://coffeebeforearch.com/notes/verilog-basic-syntax/https://coffeebeforearch.com/notes/verilog-basic-syntax/Verilog 基本语法Mon, 25 Mar 2024 00:00:00 GMTVerilog Overview & Modelinghttps://coffeebeforearch.com/notes/verilog-overview-modeling/https://coffeebeforearch.com/notes/verilog-overview-modeling/Verilog 概述及建模Mon, 25 Mar 2024 00:00:00 GMT