• 512 MB Macronix Octal SPI Flash operating at 1.8 V
• 4.5 MB Apmemory PSRAM
• Full size SD card slot (SDIO)
• NXP PCA9420UK PMIC
• User LEDs
• Reset and User buttons
• Arduino and PMod/Host expansion connectors
• NXP FXOS8700CQ accelerometer
• Stereo audio codec with line in/out and electret microphone
• Stereo NXP TFA9894 digital amplifiers, with option for external +5V power for higher performance speakers
• Support for up to eight off-board digital microphones via 12-pin header
• Two on-board DMICS
NXP Semiconductors
Introduction
i.MX RT685 Evaluation Board, Rev. 0, March 20 2020
User's Guide 4 / 31