Hardware requirements

• Micro USB cable

• MIMXRT685-AUD-EVK board

• Personal Computer

Board settings

Connect SPI5 pins to SPI4 pins:

INSTANCE0(SPI5)     CONNECTS TO         INSTANCE1(SPI4)
Pin Name   Board Location     Pin Name  Board Location
MISO       J28 pin 5          MISO      J27 pin 2
MOSI       J28 pin 4          MOSI      J27 pin 1
SCK        J28 pin 6          SCK       J27 pin 3
PCS0       J28 pin 3          PCS1      J27 pin 5

Make sure the JP41 2-3 ,JP42 2-3 are connected.