8051

Only available on StudyMode
  • Download(s) : 26
  • Published : April 11, 2013
Open Document
Text Preview
www.ti.com
1 Introduction
1.1 Features
1.2 Applications
SDOUT1
SDOUT2
Differential
Analog
Out
SDIN1
SDIN2
Differential
Analog
In
MCLK_IN
LRCLK_IN
SCLK_IN
MCLK_OUTx
LRCLK_OUT
SCLK_OUT
I2C Port #1
I2C Port #2
Output
SAP
Stereo
DAC
Stereo
DAC
Volume
Update
Input
SAP
Stereo
ADC
Stereo
ADC
PLL
and
Clock
Control
TAS3204
I2C
Interface
Digital Audio
Processor Core
48-Bit Data Path
28-Bit Coefficients
76-Bit MAC
3K Code RAM
1K Upper Data RAM
768 Lower Data RAM
1.2K Coeff. RAM
Boot ROM
8051 MCU
8-Bit Microprocessor
256 IRAM
2K ERAM
16K Code RAM
10K Code ROM
2
2
2
3
2
2
2
2
4
2
2
4
2
2
TAS3204
AUDIO DSP
WITH ANALOG INTERFACE
SLES197–APRIL 2007
· High-Quality Audio Performance: · 48-Bit Data Path and 28-Bit Coefficients 102-dB ADC/105-dB DAC (Typical) DNR · 768 Words of 48-Bit Data Memory · Eight-Channel Programmable Audio DSP · 1022 Words of 28-Bit Coefficient Memory (Four-Channel Digital and Four-Channel · 3K Words of 55-Bit Program RAM Analog)

· Hardware Single-Cycle Multiplier (28´48)
· Three Differential Stereo Analog Inputs
Multiplexed to Two Stereo Input ADCs · 2812 Instructions Per Fs · Two Differential Stereo Output DACs · 5.88K Words of 24-Bit Delay Memory (122.5 ms at 48 kHz)
· Two Serial Audio Inputs (Four Channels) and
Two Serial Audio Outputs (Four Channels) · Data Formats: Left Justified, Right Justified, and I2S
· 135-MHz Maximum Speed, >2800 Processing
Cycles Per Sample at 48 kHz · Two I2C Ports for Slave or Master Download · 512´Fs XTAL Input in Master Mode, · Single 3.3-V Power Supply 512´Fs MCLK_IN in Slave Mode · Graphical Development Environment Provided · 48-kHz Sample Rate in Master Mode for Audio Processing; e.g., EQ, Algorithm Development, Etc.

· 44.1 or 48-kHz Sample Rate in Slave Mode
· MP3 Docking Systems
· Digital Televisions
· Mini-Component Audio
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. Copyright © 2007, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.

www.ti.com
Contents
TAS3204
AUDIO DSP
WITH ANALOG INTERFACE
SLES197–APRIL 2007
1 Introduction ............................................... 1 8.1 Absolute Maximum Ratings ......................... 37 1.1 Features .............................................. 1 8.2 Package Dissipation Ratings........................ 37 1.2 Applications........................................... 1 8.3 Recommended Operating Conditions............... 37 2 Functional Description ................................. 3 8.4 Electrical Characteristics ............................ 38 2.1 Analog Input/MUX/Stereo ADCs ..................... 4 8.5 Audio Specifications................................. 38 2.2 Stereo DACs.......................................... 4 8.6 Timing Characteristics............................... 41 2.3 Analog Reference System............................ 4 8.6.1 Master Clock ....................................... 41 2.4 Power Supply ......................................... 4 8.6.2 Serial Audio Port, Slave Mode..................... 42 2.5 Clocks, Digital PLL, and Serial Data Interface ....... 4 8.6.3 Serial Audio Port Master Mode Signals 2.6 I2C Control Interface.................................. 6 (TAS3204)........................................... 43 2.7 8051 Microcontroller ................................. 6 8.6.4 Pin-Related Characteristics of the SDA and SCL I/O Stages for F/S-Mode I2C-Bus Devices.......... 44

2.8 Audio Digital Signal Processor Core ................. 6
8.6.6 Reset Timing........................................ 46 3 Physical Characteristics...
tracking img