Tag Archives: SPI

Just Released: Still Far Inside The Arduino!

My latest book has now become available on Amazon. Still Far Inside The Arduino continues the theme of Far Inside The Arduino and the Nano Every Supplement by using programming techniques and drivers more advanced than what Arduino promotes. Topics include: Distinctions among the various general purpose Arduino boards: ATmega328P based like the Arduino Uno …

SPI Week

This is the week I’m determined to cover the SPI interface. In the process of testing I uncovered an error in the ATmega4809 documentation. The documentation states for the IF Receive Complete Interrupt Flag, “IF is cleared by hardware when executing the corresponding interrupt vector.” This is not true. The flag must be manually cleared …