Nordic Semiconductor nRF5340 - Connector Interface

Hardware description
3.6 Connector interface
Access to the General-Purpose Input/Output (GPIO)s for the nRF5340 Audio DK is available from
connectors P1-P5, P10-P11, and P14-P15.
Figure 8: Interface connectors for GPIO and Arduino
Figure 9: Interface connectors for external hardware codec
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