Analog Interface Connectors
34
SLAU738 – September 2017
Copyright © 2017, Texas Instruments Incorporated
EVM Connector Descriptions
Table 6. Analog Interface Pinout (continued)
Pin Number
Signal
Description
J2.15
NC
Not connected
J2.16
NC
Not connected
J2.17
AGND
Analog ground
J2.18
NC
Not connected
J2.19
AGND
Analog ground
J2.20
NC
Not connected
A.1.2
Analog Screw Terminal Details (J1-5 and J8-12)
In addition to the analog headers, the analog inputs and outputs can also be accessed through alternate
connectors, either screw terminals or audio jacks. The mono microphone is also tied to J13 and the mono
headphone output is available at J16.
summarizes the screw terminals available on the TLV320AIC3109EVM.
Table 7. Alternate Analog Connectors
Designator
Pin 1
Pin 2
Pin 3
J6
External mic bias source (+)
External mic bias source (GND)
J10
LINE2 (+)
LINE2 (–)
AGND
J13
LINE1 (+)
LINE1 (–)
AGND
J17
AGND
HPCOM (–)
HPOUT (+)
J20
LEFT OUT (+)
LEFT OUT (–)
J21
RIGHT OUT (+)
RIGHT OUT (–)