How Are MCUs Classified?

Comprehensive MCU guide: architecture, signal flow, peripherals, memory, bus widths, instruction sets, application types and market insights.

Why MCU Makers Are Emulating STM32

Uncover why new MCUs are designed to be STM32-compatible. Explore the market demand, cost savings, and strategic advantages driving this industry trend.

Why Use for(;;) for MCU Infinite Loops?

for(;;) vs. while(1): Which is the best infinite loop for microcontrollers? We compare performance, assembly output, and what coding standards recommend.

RL78 Interrupt Nesting Configuration

Enable RL78 interrupt nesting, set priorities, handle shared vectors and fixed addresses for bootloader-safe interrupt management.

MCU Debugging Without a Reset

Learn to debug a live MCU without a reset. Preserve the program state to easily find and fix intermittent bugs. Includes guides for MDK, IAR, & STM32CubeIDE.

Simulating a Serial Port with MCU GPIOs

Running out of hardware serial ports on your MCU? Learn how to simulate a serial port using GPIO pins with this guide to bit-banging communication.

Renesas RA0: Low-Cost Entry-Level MCUs

Discover the new Renesas RA0 series Arm MCUs. The RA0E1 brings 32-bit performance, ultra-low power, and cost-effectiveness to entry-level designs.

How 8031 Timers & Counters Work

Explore the 8031 microcontroller's controller, clock generator, and timer functions. Discover its place within the widely-used MCS-51 / 8051 family.

Get Started with MCX A Series MCUs

Explore NXP's MCX A series MCUs. These Arm Cortex-M33 devices offer power efficiency, MIPI I3C, USB, and robust tools for industrial and smart edge designs.

GPIO Pre-Powering Causes MCU Startup Failure

Fix i.MX RT1060 boot failure when a UART device is connected. This guide explains the root cause—a critical power-up sequencing issue—and offers solutions.