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Electronics Hardware Design

Centralized Clocking in FPGA/SoC Hardware Design: An Exercise in Optimization or a Single Point of Failure?

Comparative analysis of centralized clock hubs vs. distributed timing networks in FPGA/SoC designs—evaluating … Continue reading

#clock-distribution #FPGA-design #SoC-architecture #timing-analysis #reliability #jitter #phase-noise #clock-domain-crossing #White-Rabbit #PLL

Decoupling - Path to power integrity

Electronics • 6 min read

Decoupling strategies for power integrity covering transient current suppression and multi-frequency design. Continue reading

#PCB Design Guidelines #decoupling #power-integrity #capacitors #hardware #signal-integrity

Selecting a PCB stack-up for EMC compliance

Electronics • 6 min read

EMC-optimized PCB stack-up selection considering signal routing, frequency, and emission requirements. Continue reading

#PCB Design Guidelines #stackup #emc #pcb-design #hardware #electromagnetic-compatibility

15 PCB Layout guidelines to achieve EMC requirements

Electronics • 7 min read

EMC compliance guidelines for PCB layout covering signal integrity, grounding, and radiation management. Continue reading

#PCB Design Guidelines #emc #pcb-layout #electromagnetic-compatibility #hardware #design-guidelines

4 Steps to Review the PCB Layout

Electronics • 3 min read

A comprehensive PCB layout review process covering data collection, placement verification, routing analysis, and … Continue reading

#PCB Design Guidelines #pcb-layout #review-process #hardware #design-verification

6 Steps of Verification for Error-free Schematic

Electronics • 6 min read

Systematic schematic verification covering requirements, datasheets, power, components, signals, and final checks. Continue reading

#PCB Design Guidelines #schematic #verification #review-process #hardware #design-flow

Field Programmable Gate Array (FPGA)

Autopsy of Vivado AXI-Lite Templates (2021.2 vs. 2025.2): Protocol Defects and Design Traps

FPGA • 12 min read

A code-level comparison of Vivado 2021.2 and 2025.2 32-bit, four-register AXI-Lite templates, covering write pairing, … Continue reading

#axi4-lite #vivado #xilinx #formal-verification #zipcpu #fpga #amba #hardware-bugs

Libraries

MarkPlus: Documentation Reimagined

Rethinking Markdown: Building a Deterministic Markdown-to-JSON AST Parser in Rust

Programming • 3 min read

markplus_core parses Markdown (with optional YAML frontmatter) into a structured, versioned JSON AST. It does not render … Continue reading

#Rust #Documentation #Software #Markdown

Memory Mapped Registers (MMREG)

Building Safe and Concurrent Memory-Mapped Register Access in Rust: The mmreg Journey

Programming • 8 min read

Memory-mapped I/O on embedded Linux traditionally requires unsafe pointer arithmetic, manual mmap calculations, and … Continue reading

#Rust #Linux #MMIO #Embedded #Hardware #devmem2

Why devmem2 is a Loaded Gun: Solving RCU Stalls with mmreg

Programming • 6 min read

Direct memory access with devmem2 can trigger unrecoverable hardware deadlocks on modern SoCs when accessing … Continue reading

#Rust #Linux #MMIO #Embedded #Hardware #devmem2 #RCU #AXI #Kernel #Safety

Beyond the Blueprint: Why mmreg Needs a Hardware Pre-Flight

Programming • 5 min read

While mmreg prevents most system hangs by validating against the kernel's resource map, zombie hardware states—where the … Continue reading

#Rust #Linux #MMIO #Embedded #Hardware #RCU #AXI #Kernel #Safety #mmreg #zynq #FPGA #soc