Analog Devices EVAL-ADAU1977 User Manual page 4

UG-600
Component No. Mnemonic
J31 MICBIAS-CH1
J33 IOVDD Current
J34 128fs Mode
J35 Coaxial Output
J36/J40 Input 3 Select
J28 CH3 Input
J39 Input Short
J41 MICBIAS-CH1
J42 DVDD
J43 MCLKIN
J44 PLL Filter
J45 PLL Filter
J46/J49 Input 4 Select
J48 Input Short
J50 MCLKIN
J51 MICBIAS-CH1
J52 MCLK Input
J53 FREQ Select
JP1 AUX IN
JP2 CH1 IN
JP3 CH2 IN
JP4 Reset SPDIF Tx
JP5 CH3 IN
JP6 SA Mode
JP7 CH4 IN
JP8 RESET
JP9 MCLKIN
JP10 Reserved
JP11 Oscillator Enable
Description
Selects the internal or external micbias for Channel 2.
Connector for measuring IOVDD current.
Selects the 96 k sample rate for the SPDIF transmitter.
Connector for SPDIF coaxial output.
Selects the input source for Channel 3
Connector for Channel 3 input.
This jumper is used to short the ± Channel 3 input.
Selects the internal or external micbias Channel 3.
External DVDD current measurement.
Selects the external master clock input to the ADAU1977.
Selects the PLL filter for LRCLK mode.
Selects the PLL filter for MCLK mode.
Selects the input source for Channel 4.
This jumper is used to short the ± Channel 4 Input.
Selects the source for MCLKIN between oscillator, header, and Subminiature Version A,
SMA.
Selects the internal or external micbias Channel 4.
SMA connector for external master clock input.
Selects the switching frequency for the 3.3 V regulator.
Header for external auxiliary input
Header for external Channel 1 input.
Header for external Channel 2 input.
SPDIF Tx reset.
Header for external Channel 3 input.
This jumper is used for standalone mode.
Header for external Channel 4 input.
Header for the ADAU1977 reset.
Header for master clock input.
Reserved for internal use.
Enables the oscillator.
Rev. 0 | Page 4 of 27
Evaluation Board User Guide