• NL-NAU88L21C Front View

• Figure shows the main components and connectors from the front side of NL-NAU88L21C as the following list:

        - Target Chip: NAU88L21C (U1)
        - 3.5mm Headset Jack Input (CN1)
        - Headphone(HP) Output Extension Connector (J21)
        - Digital Interface and Power Extension Connector (JP1)
        - 3.3V EXT Power (J18)
        - 1.8V EXT Power (J17)
        - GND (J19, J20)