This manual introduces the features and functions of the Nuvoton I94124_NAU88C22 evaluation board.
The I94124_NAU88C22_MB is a specific development tool for the 94100 series featuring the NAU88C22 audio codec. It supports MIC, AUXIN, and headphone functions on a single board, allowing users to easily develop and verify audio applications. The board is based on an ARM Cortex-M4 32-bit microcontroller.
| Microcontroller | ARM Cortex-M4 32-bit |
|---|---|
| USB Interface | USB 1.1 Full-Speed Device |
| Audio Codec | NAU88C22 |
| Microphone Inputs | Two MIC and two AUXIN input |
| Audio Outputs | Speaker and headphone output |
| Push-buttons | Two (Reset and User-defined) |
| LEDs | Two (Power and User-defined) |
It is a specific development tool for the 94100 series with NAU88C22 to support MIC, AUXIN and headphone on one board.
Yes, it can connect with the I94124 MB_NAU85L40_NR (NAU85L40+AMIC) and I94124 MB_DMIC (DMIC Daughter board) to support more microphones.
It supports a maximum of 4 channel AMIC, stereo line-in with 2 MIC channels, and two sets of 7-segments LED display.