Your MCU/SoC today may have several options for GPIO connections: UART, SPI, I2C. But there are dozens of variations and kinds of GPIO interface protocols: you don’t have enough pins to provide all of ...

When the original Raspberry Pi was release in early 2012, it came with a 26 pin GPIO output. User access to GPIO redefined the usefulness of a single board computer. As the concept evolved, the ...

Question: How can I make an analog measurement if I only have a single GPIO left on the FPGA/microprocessor for my system? Answer: A voltage-to-frequency converter can be used instead of an ...