Ad2437 Sio1 Routing ( P23); Ad2437 Bclk Select ( P16); Adau1701 I2C Bus Switch ( P18 And P22); Leds - Analog Devices EVAL-AD2437B1MZ Manual

Jumper
2 and 3

AD2437 SIO1 Routing ( P23)

The AD2437 SIO1 jumper can be configured as BD28623_MUTEX (Mute Control for Class D Amplifier) or
PDM_DATA1. The default setting for the jumper is pins 1 and 2.
Jumper
1 and 2 (DEFAULT)
2 and 3

AD2437 BCLK Select ( P16)

AD2437 BCLK Jumper is used to route AD2437's BCLK to the PDM Microphones as their clock source.
Jumper
P16 (Shunt On)

ADAU1701 I2C Bus Switch ( P18 and P22)

These jumpers are used to close the I2C bus of the ADAU1701 and its EEPROM into the USBi and AD2437 I2C
bus.
Jumper P18 Jumper P22 ADAU1701_MP1 I2C Bus Switch
CLOSED OPEN
OPEN OPEN
(DEFAULT) (DEFAULT)
X CLOSED
X X

LEDs

This section describes the on-board LEDs. The LED Locations figure shows the LED locations.
EVAL-AD2437B1MZ Manual
(U12 , U14)
X CLOSED
X CLOSED
1 - > 0 OPEN - > CLOSED SELFBOOT of ADAU1701 from Boot EEPROM
1 OPEN
Routing
ADAU1701_SDATA_OUT
Routing
PDM_DATA1
BD28623 MUTEX
Clock Routing
BCLK to PDM CLK (Pins 1-2)
Use Case and Action
Program/Parameter write from AD2437 or USBi to ADAU1701
or Boot EEPROM
Program/Parameter write from AD2437 or USBi to ADAU1701
Parameter write from ADAU1701 to BOOT EEPROM
Jumpers
3–5