Texas Instruments TLV320DAC3203 Evaluation Module TLV320DAC3203EVM-K TLV320DAC3203EVM-K Datenbogen
Produktcode
TLV320DAC3203EVM-K
EVM Description and Basics
2.2.2
TLV320DAC3203 Jumper Locations
provides a list of jumpers found on the EVM and their factory default conditions.
Table 2. List of Jumpers and Switches
Jumper
Default Position
Jumper Description
W1
1-2
Sets IOVDD to 3.3 V (default) or 1.8 V.
W2
2-3
Sets DIGMIC_PWR to 3.3 V (default) or 1.8 V.
W3
Removed
Connects GPIO2 to RESET line.
W4
Installed
Provides a means to measure LDOin/HPVDD current.
W5
Installed
Provides a means to measure AVDD current. When using the internal LDO, this jumper should be
removed.
removed.
W6
Installed
Provides a means to measure DVDD current.
W7
Installed
Provides a means to measure IOVDD current.
W8
Removed
Connects 16-
Ω
load to HPL outputs.
W9
Removed
Connects 16-
Ω
load to HPR outputs.
W10
Removed
When installed, shorts across the output capacitor on HPL; remove this jumper if using AC-coupled output
drive.
drive.
W11
Removed
When installed, shorts across the output capacitor on HPR; remove this jumper if using AC-coupled output
drive.
drive.
W12
Removed
When inserted, connects MICBIAS to J2.4 for headset detection use.
W13
Installed
When installed, it selects onboard EEPROM as firmware source.
W14
2-3
When SW1 is configured for I
2
C, selects SCLK source for digital microphone or headset detection use.
W15
Installed
Connects MISO to USB-MODEVM. Remove this jumper for digital microphone use.
SW1
Toward I
2
C
When set to I
2
C, the I
2
C signals from P12/J12 are connected to the codec and SPI_SELECT is set low.
When set to SPI, the SPI signals from P12/J12 are connected to the codec and SPI_SELECT is pulled to
IOVDD.
IOVDD.
2.3
Analog Signal Connections
2.3.1
Analog Inputs
Apply the analog input sources directly to terminal block J5 or input jack J4. The connection details are
found in
found in
.
2.3.2
Analog Output
The analog outputs are available from terminal block J1 or output jacks J2 and J3. Note that J3 is
provided for signal-to-noise ratio (SNR) measurements only. The connection details are found in
provided for signal-to-noise ratio (SNR) measurements only. The connection details are found in
2.4
Digital Signal Connections
The digital inputs and outputs of the EVM are monitored through P12 and P22. If external signals are
connected to the EVM, digital inputs must be connected through J14 and J15 on the USB-MODEVM and
the SW2 switch must be changed accordingly (see
connected to the EVM, digital inputs must be connected through J14 and J15 on the USB-MODEVM and
the SW2 switch must be changed accordingly (see
). The connector details are available in
6
TLV320DAC3203EVM-K
SLAU441 – April 2012
Copyright © 2012, Texas Instruments Incorporated