This blog is to provide a video demo how fast the Nordic nRF52840 works with LCD display. The idea is to regular poll the touch sensor data and then load the image from QSPI flashto update the LCD screen through high speed SPIM3. I used the Adafruit 1947 board ( ARDUINO / SHIELDS / TFTS & DISPLAYS / 2.8" TFT TOUCH… Continue reading LCD Demo 320×240 RGB(565) on nRF52840
Category: PPI
How to count GPIO pin (Raising/Falling) with Timer Counter through PPI
In this blog, I would like to show an example how to count the number of raising / falling edge on particular GPIO pin without running the MCU. For example, we need to count how many pulse from the MCU through GPIO. By using the GPIOTE and Timer Counter Mode through PPI, it can count… Continue reading How to count GPIO pin (Raising/Falling) with Timer Counter through PPI
