Texas Instruments PurePath Console Mother Board for TI Audio Amplifier IC PUREPATH-CMBEVM PUREPATH-CMBEVM Scheda Tecnica
Codici prodotto
PUREPATH-CMBEVM
Hardware Overview
shows the PPCMB signal flow.
Figure 2. PurePath Console Motherboard Signal Flow
1.1
PurePath Console Motherboard Features
•
The PPC sends I
2
C control signals via USB link: the initialization sequence is sent utilizing auto DUT
detection reducing hardware setup time
•
Three I2S audio sources: USB audio, SPDIF, and ADC
•
Audio processing: TLV320AIC3262 (mini-DSP)
•
Dual asynchronous sample rate converters (ASRC) PWM modulator: TAS5548
•
Interface with PurePath Smart Amp and audio devices designed for use in TV, mini-component, AVR
application
application
1.2
PurePath Console Motherboard Functions
The PPCMB is organized into two sections: control data and audio data. Control data is routed via I
2
C bus
and audio data is routed via I2S bus. There is also an analog signal that can be routed directly to and from
the DUT.
the DUT.
The control data is sent from the PPC via TAS1020B USB to I
2
C commands. The MPS430 can also be
used independent of the PC host. The MSP430 is used for stand-alone demonstrations; therefore, it is
configured for each application.
configured for each application.
4
SLOU366A – June 2013 – Revised July 2013
PurePath
TM
Console Motherboard
Copyright © 2013, Texas Instruments Incorporated