Texas Instruments TLV320DAC23 - Manual (Page 26)

Main Panel
4-6
4.4.9 I2C Adjust Button
Pressing this button opens a panel that allows adjustment of the timing period
used for I
2 C communications between the PC and the EVM. See Section 4.5.
4.4.10 I2C Bypass Check Box
This check box allows the user to run the software without a device connected
to the parallel port.
4.4.11 DataLog On Check Box
This check box allows the user to record the information sent over I 2 C. The
data is always stored in a file called DataLog.txt. The { within the file represents
a valid I
2 C start command. The } within the file represents a valid I 2 C stop
command.
4.4.12 View Registers Button
When the View Registers button is clicked, the GUI opens a second panel.
This panel shows all the TLV320AIC23/DAC23 EVM2 registers. A function
name is displayed for each bit in each register, and the values of the bits can
be viewed or changed. A complete description including all the registers and
other functionality of the second panel is in Section 4.6.
4.4.13 Dig Loopback Check Box
Checking this box connects DOUT to DIN via a multiplexer.
4.4.14 Digital Control Button
Clicking the Digital Control button opens a panel that allows setting of the
digital audio controls (see Section 4.6.8). The digital audio controls can also
be set by putting values directly into the Audio (Digital) register on the
Registers panel (see Section 4.6).
4.4.15 Analog Control Button
Clicking the Analog Control button opens a panel that allows setting of the
analog audio controls (see Section 4.6.7). The analog audio controls can also
be set by putting values directly into the Audio (Analog) register on the
Registers panel (see Section 4.6).
4.4.16 Format Control Button
Clicking the Format Control button opens a panel that allows setting of the
audio format controls (see Section 4.6.10). The audio format controls can also
be set by putting values directly into the Audio (Format) register on the
Registers panel (see Section 4.6).
4.4.17 Normal Mode and USB Mode Radio Buttons
For information on the proper setting of normal or USB mode, see the
TLV320AIC23 data manual.