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SLAU738 – September 2017
Copyright © 2017, Texas Instruments Incorporated
EVM Connector Descriptions
Appendix A
SLAU738 – September 2017
EVM Connector Descriptions
A.1
Analog Interface Connectors
This appendix contains the connection details for each of the main header connectors on the EVM.
A.1.1
Analog Dual-Row Header Details (J13 and J14)
For maximum flexibility, the TLV320AIC3109EVM is designed for easy interfacing to multiple analog
sources.
summarizes the analog interface pinout for the TLV320AIC3109EVM.
Table 6. Analog Interface Pinout
Pin Number
Signal
Description
J1.1
NC
Not connected
J1.2
NC
Not connected
J1.3
HPCOM
High-power output driver (minus or multifunctional)
J1.4
HPOUT
High-power output driver (plus)
J1.5
LINE1M
MIC1 or LINE1 analog input (minus or multifunctional)
J1.6
LINE1P
MIC1 or LINE1 analog input (plus or multifunctional)
J1.7
LINE2M
MIC2 or LINE2 analog input (minus or multifunctional)
J1.8
LINE2P
MIC2 or LINE2 analog input (plus or multifunctional)
J1.9
AGND
Analog ground
J1.10
NC
Not connected
J1.11
AGND
Analog ground
J1.12
NC
Not connected
J1.13
AGND
Analog ground
J1.14
MICBIAS
Microphone bias voltage output
J1.15
NC
Not connected
J1.16
MICDET
Microphone Detect
J1.17
AGND
Analog ground
J1.18
NC
Not connected
J1.19
AGND
Analog ground
J1.20
NC
Not connected
J2.1
NC
Not connected
J2.2
NC
Not connected
J2.3
NC
Not connected
J2.4
NC
Not connected
J2.5
NC
Not connected
J2.6
NC
Not connected
J2.7
LEFT_LOP
Left-line output (plus)
J2.8
LEFT_LOM
Left-line output (minus)
J2.9
AGND
Analog ground
J2.10
RIGHT_LOP
Right-line output (plus)
J2.11
AGND
Analog ground
J2.12
RIGHT_LOM
Right-line output (minus)
J2.13
AGND
Analog ground
J2.14
NC
Not connected