Texas Instruments TLV320AIC31 Evaluation Module (EVM) and USB motherboard TLV320AIC31EVM-PDK TLV320AIC31EVM-PDK Datenbogen
Produktcode
TLV320AIC31EVM-PDK
www.ti.com
5.4
Default Jumper Locations
6
Kit Operation
6.1
TLV320AIC31EVM-PDK Block Diagram
Kit Operation
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
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.
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
using AC-coupled output drive
JMP12
Installed
When installed, shorts HPLCOM and HPRCOM. Use only if these signals are set to
constant VCM.
constant VCM.
JMP13
Installed
When installed, shorts across the output capacitor on HPLCOM; remove this jumper if
using AC-coupled output drive
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
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
using AC-coupled output drive
The following section provides information on using the TLV320AIC31EVM-PDK, including set up,
program installation, and program usage.
program installation, and program usage.
A block diagram of the TLV320AIC31EVM-PDK is shown in
. 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.
while the daughtercard is the TLV320AIC31EVM described previously in this manual.
SBAU115 – November 2005
TLV320AIC31EVM and TLV320AIC31EVM-PDK User's Guide
7