Ad2437 Sio0 Select ( Jp1); Mute ( Jp3); Leds - Analog Devices EVAL-AD2437B1NZ Evaluation Board Manual

GAIN GAIN setting
OFF (DEFAULT) 17dB
ON 20dB

AD2437 SIO0 SELECT ( JP1)

The SIO0 Select jumper is used to select SIO0 source for AD2437. For PDM microphone signal, jumper must be
between 1 and 2. For SIO0 signal from ADAU1701, jumper should be on 2 and 3. The default position is 1 and 2.
Jumper
1 and 2 (DEFAULT)
2 and 3

Mute ( JP3)

This jumper is used to mute the Class - D amplifier.
Jumper MUTE setting
1 and 2 (DEFAULT) OFF
2 and 3 ON - Controlled by ADR1

LEDs

This section describes the on-board LEDs. The LED Locations figure shows the LED locations.
EVAL-AD2437B1NZ Manual
Routing
PDM OUT
ADAU1701_MP6
Jumpers
3–7