Texas Instruments TAS5721 Evaluation Module TAS5721EVM TAS5721EVM Datenbogen
Produktcode
TAS5721EVM
Jumpers and Control Utilities on Input-USB Board3
5
Jumpers and Control Utilities on Input-USB Board3
5.1
RCA/OPTICAL Jumpers
•
ADC1: The default is to have a jumper installed on pins 2 and 3. To input an external I2S data signal,
remove the jumper and connect the new I2S source using pins 3 and 4.
remove the jumper and connect the new I2S source using pins 3 and 4.
•
MCLK: The default is to have a jumper installed on pins 2 and 3. To input an external MCLK signal,
remove the jumper and connect the new MCLK source using pins 3 and 4.
remove the jumper and connect the new MCLK source using pins 3 and 4.
•
SCLK: The default is to have a jumper installed on pins 2 and 3. To input an external SCLK signal,
remove the jumper and connect the new SCLK source using pins 3 and 4.
remove the jumper and connect the new SCLK source using pins 3 and 4.
•
LRCLK: The default is to have a jumper installed on pins 2 and 3. To input an external LRCLK signal,
remove the jumper and connect the new LRCLK source using pins 3 and 4.
remove the jumper and connect the new LRCLK source using pins 3 and 4.
•
JP300 and JP301: Install for analog inputs of less than 1-V
RMS
; leave uninstalled for analog inputs from
1-V
RMS
to 2-V
RMS
.
•
All other jumpers on the Input-USB Board3 have no functionality with the TAS5721-TAS5723EVM.
5.2
Switches
•
S1 (RESET): Pressing the RESET switch resets the TAS572X device
•
S2 (COAX/OPTO): Determines which digital input to use, RCA or optical.
•
S3 (VOL DOWN): This switch has no function with the EVM
•
S4 (VOL UP): This switch has no function with the EVM
•
S5 (USB MUTE): This switch has no function with the EVM
•
S6 (MUTE): This switch has no function with the EVM
•
S7 (I2S SELECT): Selects the I2S source. When using the OPTO or RCA inputs, flip this switch to
SPDIF.
SPDIF.
•
S8 (PDN): Pressing PDN powers down the TAS572X.
5.3
LED Indicators
•
12 V: 12-V power is valid
•
5 V: 5-V power is valid
•
3.3 V: 3.3-V power is valid
•
SPDIF-LOCK: SPDIF signal locked
•
COAX: S2 is set to the COAX position
•
OPTO: S2 is set to the OPTO position
•
USB: S7 is set to the USB position
•
SPDIF: S7 is set to the SPDIF position
•
FAULT: not used with the EVM
•
PDN: indicates that the PDN switch is asserted
•
MUTE: not used with the EVM
•
SHUTDOWN: not used with the EVM
•
OTW: not used with the EVM
•
DIGITAL: indicates that the digital input source is active
•
ANALOG: indicates that the analog input source is active
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TAS5721-TAS5723EVM Evaluation Module
SLOU346 – July 2012
Copyright © 2012, Texas Instruments Incorporated