Here are some design specifications and guidelines worth keeping in mind when making your own custom RP2040 PCB design.
An illustrated article on chip antenna PCB layout with focus on 2.4 GHz WiFi and Bluetooth antennas. Applicable to ESP32, ESP8266, nRF52, etc.
Some useful MIPI DSI PCB layout notes, guidelines and tips for MIPI DSI systems. Applicable to MCUs such as STM32 and STM32MP1.
SDRAM swapping rules for bit and byte swapping are not usually described clearly for slow SDR memories. Here are some rules for SDRAM chips.
i.MX6 DDR3 PCB layout can be a difficult task if you are new to routing DDR3 memory chips. Here are some notes on how to do it right.
Here is a quick guide to PCB drill sizes for common screw or fastener sizes used for mounting PCBs, M3 for example. The table does NOT list the recommended clearance …
STM32 series of microcontrollers suffer a major limitation – they lack on-chip SRAM, just like any other typical MCU. There is plenty of SRAM for your typical needs, but not …