SLAU902A September 2023 – January 2024
This evaluation module provides a 3.5mm TRRS jack supporting CTIA headset configuration. The headset stereo audio inputs are connected to OUT1P (Tip) and OUT2P (Ring), the ground connection can support either ground or ground-sense for DC-Coupled mode through OUT1M or OUT2M pin (Ring) and microphone input (Sleeve) which can be routed to either IN1M or IN2M. The connection is shown in the circuit below.