Texas Instruments TLV320DAC3203 Evaluation Module TLV320DAC3203EVM-K TLV320DAC3203EVM-K Data Sheet

Product codes
TLV320DAC3203EVM-K
Page of 44
Power Supply Connector Pin Header, P23/J23
Table 5. Digital Interface Pinout (continued)
PIN
SIGNAL
DESCRIPTION
NUMBER
P22.12/J22.1 NC
Not connected
2
P22.13/J22.1 DOUT
Audio Serial Data Bus Data Output (Output)
3
P22.14/J22.1 NC
Not connected
4
P22.15/J22.1 NC
Not connected
5
P22.16/J22.1 NC
Not connected
6
P22.17/J22.1 MCLK
Master Clock Input
7
P22.18/J22.1 DGND
Not connected
8
P22.19/J22.1 NC
Not connected
9
P22.20/J22.2 NC
Not connected
0
Note that P22/J22 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 P12/J12.
A.3
Power Supply Connector Pin Header, P23/J23
P23/J23 provides a connection to the common power bus for the TLV320DAC3203EVM. Power is
supplied on the pins listed in
Table 6. Power Supply Pin Out
SIGNAL
PIN NUMBER
SIGNAL
NC P23.1/J23.1
P23.2/J23.2 NC
+5 VA P23.3/J23.3
P23.4/J23.4 NC
DGND P23.5/J23.5
P23.6/J23.6 AGND
+1.8 VD P23.7/J23.7
P23.8/J23.8 NC
+3.3 VD P23.9/J23.9
P23.10/J23.10 NC
The TLV320DAC3203EVM-K motherboard (the USB-MODEVM Interface board) supplies power to
P23/J23 of the TLV320DAC3203EVM. Power for the motherboard is supplied either through its USB
connection or through terminal blocks on that board.
19
SLAU441 – April 2012
EVM Connector Descriptions
Copyright © 2012, Texas Instruments Incorporated