2026-09-29 15:00:00
AT32 vs GD32 vs HC32 vs CH32: A Buyer's Comparison of China's Main Cortex-M Brands
A practical comparison of Artery, GigaDevice, HDSC and WCH Cortex-M microcontrollers, and how a buyer...
2026-09-29 14:00:00
Decoding the AT32 Part Number: How to Specify Exactly What You Need
The AT32 part number encodes family, performance tier, package, pin count and temperature grade. How...
2026-09-30 13:20:00
4–20 mA Current-Loop Transmitters: A Practical Selection Guide for Industrial Signal Chains
Why 4–20 mA survives: loop budget arithmetic, voltage-compliance, HART overlay, and building the transmitter with...
2026-09-28 13:35:00
Data Logging and Parameter Storage in SPI NOR: Wear Leveling, File Systems, and Retention
Designing reliable data-log and parameter storage on SPI NOR Flash: wear leveling strategies, file system...
2026-09-28 07:00:00
Debug and Programming Compatibility When Moving from STM32 to AT32
Before the firmware port comes the less glamorous question: will your existing probe, IDE and...
2026-09-28 06:00:00
EMC Re-Testing After an MCU Replacement: What Actually Changes
Changing the MCU changes the highest-speed switching node on the board. Whether that forces a...
2026-09-28 05:00:00
Clock, Reset and Boot Circuits When You Drop In an AT32
Most MCU swap failures on the bench trace back to four pins: the crystal pair,...
2026-09-28 04:00:00
Replacing an 8-Bit MCU with an AT32F011 or AT32F421: What Actually Changes
Moving off an 8-bit part is not a speed upgrade, it is a redesign of...
2026-09-28 03:00:00
AT32F402 vs AT32F405 vs AT32F403A: Choosing a 48-Pin Replacement
Three parts, one package size, three different answers. Picking the wrong one costs either a...
2026-09-28 02:00:00
AT32F415 as an STM32F072 or STM32F103 Replacement in USB Designs
USB designs are sensitive to things that datasheets list in a footnote: VBUS sensing, over-current...
2026-09-28 01:00:00
AT32F455 / F456 / F457 as an STM32F107 Connectivity-Line Replacement
Designs that need an on-chip Ethernet MAC plus a full set of serial interfaces sit...
2026-09-28 00:00:00
AT32F435 and AT32F437 as STM32F407 / STM32F429 Replacements
The high-performance end of a Cortex-M4 line-up is where an MCU swap is least forgiving:...
