Infineon Audiohub Nano Analog, User Manual, Page: 5 / 9

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2022-07-28
Audiohub Nano Analog
User Manual
4 Evaluation board information
Figure 4 AudioHub Nano Analog Layout
4.1 Connectors
A list of the connecters provided by on the Audiohub Nano evaluation board can be found in Table 1.
Furthermore, Table 2 gives an overview of the respective pins.
Table 1 Connector list
Reference designator Description
LEFT Flex connector and pinheader for left channel microphone connection
RIGHT Flex connector and pinheader for right channel microphone connection
PROG Programming connector
USB Micro-USB connector for power and audio streaming
Table 2 Connector X3 detailed pinout
Pin number Name Description
2 VMIC Microphone VDD
4 IN+ Positive analog output of microphone
6 IN- Negative analog output of microphone
1, 3, 5 MGND Microphone ground
The pinout of the pinheaders can be found on the back of the circuit board.
The inputs IN+ and IN- are using a DC offset, provided by the MEMS microphones. Please note, without this DC
offset the Audiohub Nano Analog does not work correctly.