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2.1.1 USB-MODEVM Interface Board
EVMPosition2
EVMPosition1
TLV320AIC34EVM
ControlInterface
TLV320AIC34
TAS1020B
USB8051
Microcontroller
USB
I C
2
I S
2
AudioInterface
USB-MODEVM
EVM Description and Basics
The simple diagram shown in Figure 1 shows only the basic features of the USB-MODEVM Interface
board.
When connecting the TLV320AIC34EVM to the USB-MODEVM care must be used to avoid bending the
connecting pins. The two boards can only be connected in one way. It is suggested to first align with the
10-pin connectors (J15B on the TLV320AIC34EVM and J18A on the USB-MODEVM) and then gently
push all the connectors together until the boards are seated.
In the factory configuration, the board is ready to use with the TLV320AIC34EVM. To view all the functions
and configuration options available on the USB-MODEVM board, see the USB-MODEVM Interface Board
schematic in Appendix .
Figure 1. TLV320AIC34EVM-K Block Diagram
TLV320AIC34EVM-K 4 SLAU232 – December 2007
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