TAS3204 Datasheet, PDF (1/72 Pages) Texas Instruments – AUDIO DSP WITH ANALOG INTERFACE

www.ti.com
1 Introduction
1.1 Features
• High-Quality Audio Performance:
102-dB ADC/105-dB DAC (Typical) DNR
• Eight-Channel Programmable Audio DSP
(Four-Channel Digital and Four-Channel
Analog)
• Three Differential Stereo Analog Inputs
Multiplexed to Two Stereo Input ADCs
• Two Differential Stereo Output DACs
• Two Serial Audio Inputs (Four Channels) and
Two Serial Audio Outputs (Four Channels)
• 135-MHz Maximum Speed, >2800 Processing
Cycles Per Sample at 48 kHz
• 512×Fs XTAL Input in Master Mode,
512×Fs MCLK_IN in Slave Mode
• 48-kHz Sample Rate in Master Mode
• 44.1 or 48-kHz Sample Rate in Slave Mode
TAS3204
AUDIO DSP
WITH ANALOG INTERFACE
SLES197 – APRIL 2007
• 48-Bit Data Path and 28-Bit Coefficients
• 768 Words of 48-Bit Data Memory
• 1022 Words of 28-Bit Coefficient Memory
• 3K Words of 55-Bit Program RAM
• Hardware Single-Cycle Multiplier (28×48)
• 2812 Instructions Per Fs
• 5.88K Words of 24-Bit Delay Memory
(122.5 ms at 48 kHz)
• Data Formats: Left Justified, Right Justified,
and I²S
• Two I²C Ports for Slave or Master Download
• Single 3.3-V Power Supply
• Graphical Development Environment Provided
for Audio Processing; e.g., EQ, Algorithm
Development, Etc.
1.2 Applications
• MP3 Docking Systems
• Digital Televisions
• Mini-Component Audio
TAS3204
SDIN1
SDIN2
2
Differential
Analog
2
In
2
Input ⁴
SAP
2 ^{Stereo 2}
ADC
Digital Audio
4 Output
Processor Core
SAP
48-Bit Data Path
28-Bit Coefficients ^{2 Stereo}
76-Bit MAC
DAC
MCLK_IN
LRCLK_IN
SCLK_IN
MCLK_OUTx
LRCLK_OUT
SCLK_OUT
I2C Port #1
I2C Port #2
2 ^{Stereo 2}
ADC
3K Code RAM
1K Upper Data RAM
2
768 Lower Data RAM
1.2K Coeff. RAM
Boot ROM
Stereo
DAC
PLL
3
and
Clock
Control
I2C
Interface
8051 MCU
8-Bit Microprocessor
Volume
Update
256 IRAM
2K ERAM
16K Code RAM
10K Code ROM
SDOUT1
SDOUT2
2
Differential
Analog
2
Out
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this document.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2007, Texas Instruments Incorporated