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A.3 Power Supply Connector Pin Header, J15
Power Supply Connector Pin Header, J15
Note that J17 comprises the signals needed for an I
2
S™ serial digital audio interface; the control interface
( I
2
C™ and RESET) signals are routed to J16. I
2
C is actually routed to both connectors; however, the
device is connected only to J16.
J15 provides connection to the common power bus for the TLV320AIC34EVM. Power is supplied on the
pins listed in Table A-4 .
Table A-4. Power Supply Pin Out
SIGNAL PIN NUMBER SIGNAL
NC J15.1 J15.2 NC
+5VA J15.3 J15.4 NC
DGND J15.5 J15.6 AGND
DVDD (1.8V) J15.7 J15.8 NC
IOVDD (3.3V) J15.9 J15.10 NC
The TLV320AIC34EVM-K motherboard (the USB-MODEVM Interface board) supplies power to J15 of the
TLV320AIC34EVM. Power for the motherboard is supplied either through its USB connection or via
terminal blocks on that board.
SLAU232 – December 2007 EVM Connector Descriptions 39
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