Operation
2.1.5
Analog Input Configuration
In order to operate the TAS2552 in Analog input mode, go to
View
→
Command
, and open the
TAS255x_Analog_Input_Init_Script.cfg
setup script from the
Scripts
folder. Click
Run
to execute the
script.
After running this script, you should be able to input a signal and measure the output.
2.1.6
Digital Input Configuration
In order to operate the TAS2552 in digital input mode (I2S from TAS1020), set the jumpers as shown in
:
Table 3. Jumper Settings for Digital Input Mode
Jumper Name
Position
Comments
JP3 (LRCLK)
L-M
Connects LRCLK line to TAS2552
JP3 (BCLK)
L-M
Connects BCLK line to TAS2552
JP3 (MCLK)
L-M
Connects MCLK line to TAS2552
JP3 (DIN)
L-M
Connects Data In line to TAS2552
JP3 (SCL, SDA)
L-M
Connects I
2
C lines to TAS2552
JP3 (FAULT)
L-M
Connects FAULT line from TAS2552 to TAS1020
Go to
View
→
Command
and open the
TAS255x_I2S_Input_Init_Script.cfg
setup script located in the
Scripts
sub-directory. Click
Run
to execute the script.
If using an external I2S interface or PSIA, the clock and data lines can be connected straight to JP3. The
rightmost column of headers is GND for each pair. The same I2S script can also be used for direct digital.
Note: The sample rate for this script is 44.1 kHz. The format is I2S.
8
TAS2552 EVM
SLAU496A – February 2014 – Revised July 2015
Copyright © 2014–2015, Texas Instruments Incorporated