Datasheet

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5.4 Default Jumper Locations
6 Kit Operation
6.1 TLV320AIC31EVM-PDK Block Diagram
Kit Operation
Table 5 provides a list of jumpers found on the EVM and their factory default conditions.
Table 5. List of Jumpers
DEFAULT
JUMPER POSITION JUMPER DESCRIPTION
JMP1 Installed Connects analog and digital grounds
JMP2 Open Selects on-board EEPROM as firmware source
JMP3 Installed Connects on-board Mic to Left Microphone Input
JMP4 Installed Connects on-board Mic to Right Microphone Input
JMP5 Installed Provides a means of measuring IOVDD current
JMP6 Installed Provides a means of measuring DVDD current
JMP7 Installed Provides a means of measuring DRVDD current
JMP8 Installed Provides a means of measuring AVDD_DAC current
JMP9 Open When installed, allows the USB-MODEVM to hardware reset the device under user
control
JMP10 2-3 When connecting 2-3, mic bias comes from the MICBIAS pin on the device; when
connecting 1-2, mic bias is supplied from the power supply through a resistor, which
the user must install.
JMP11 Installed When installed, shorts across the output capacitor on HPLOUT; remove this jumper if
using AC-coupled output drive
JMP12 Installed When installed, shorts HPLCOM and HPRCOM. Use only if these signals are set to
constant VCM.
JMP13 Installed When installed, shorts across the output capacitor on HPLCOM; remove this jumper if
using AC-coupled output drive
JMP14 Installed When installed, shorts across the output capacitor on HPROUT; remove this jumper if
using AC-coupled output drive
JMP15 Installed When installed, shorts across the output capacitor on HPRCOM; remove this jumper if
using AC-coupled output drive
The following section provides information on using the TLV320AIC31EVM-PDK, including set up,
program installation, and program usage.
A block diagram of the TLV320AIC31EVM-PDK is shown in Figure 1 . The evaluation kit consists of two
circuit boards connected together. The motherboard is designated as the USB-MODEVM Interface board,
while the daughtercard is the TLV320AIC31EVM described previously in this manual.
SBAU115 – November 2005 TLV320AIC31EVM and TLV320AIC31EVM-PDK User's Guide 7