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參數(shù)資料
| 型號： | TMS320DM6446_07 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Digital Media System-on-Chip |
| 中文描述： | 數(shù)字媒體系統(tǒng)片上 |
| 文件頁數(shù)： | 3/231頁 |
| 文件大?。?/td> | 1660K |
| 代理商： | TMS320DM6446_07 |
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www.ti.com
TMS320DM6446
Digital Media System-on-Chip
SPRS283E–DECEMBER 2005–REVISED MARCH 2007
The
TMS320C6000 DSP platform. It is based on an enhanced version of the second-generation
high-performance,
advanced
very-long-instruction-word
Instruments (TI), making these DSP cores an excellent choice for digital media applications. The C64x is a
code-compatible member of the C6000 DSP platform. The TMS320C64x+ DSP is an enhancement of
the C64x+ DSP with added functionality and an expanded instruction set.
TMS320C64x+
DSPs
are
the
highest-performance
fixed-point
DSP
generation
in
the
(VLIW)
architecture
developed
by
Texas
Any reference to the C64x DSP or C64x CPU also applies, unless otherwise noted, to the C64x+ DSP and
C64x+ CPU, respectively.
With performance of up to 4752 million instructions per second (MIPS) at a clock rate of 594 MHz, the
C64x+ core offers solutions to high-performance DSP programming challenges. The DSP core possesses
the operational flexibility of high-speed controllers and the numerical capability of array processors. The
C64x+ DSP core processor has 64 general-purpose registers of 32-bit word length and eight highly
independent functional units—two multipliers for a 32-bit result and six arithmetic logic units (ALUs). The
eight functional units include instructions to accelerate the performance in video and imaging applications.
The DSP core can produce four 16-bit multiply-accumulates (MACs) per cycle for a total of 2376 million
MACs per second (MMACS), or eight 8-bit MACs per cycle for a total of 4752 MMACS. For more details
on the C64x+ DSP, see the
TMS320C64x/C64x+ DSP CPU and Instruction Set Reference Guide
(literature number SPRU732).
The DM6446 also has application-specific hardware logic, on-chip memory, and additional on-chip
peripherals similar to the other C6000 DSP platform devices. The DM6446 core uses a two-level
cache-based architecture. The Level 1 program cache (L1P) is a 256K-bit direct mapped cache and the
Level 1 data cache (L1D) is a 640K-bit 2-way set-associative cache. The Level 2 memory/cache (L2)
consists of an 512K-bit memory space that is shared between program and data space. L2 memory can
be configured as mapped memory, cache, or combinations of the two.
The peripheral set includes: 2 configurable video ports; a 10/100 Mb/s Ethernet MAC (EMAC) with a
Management Data Input/Output (MDIO) module; an inter-integrated circuit (I2C) Bus interface; one audio
serial port (ASP); 2 64-bit general-purpose timers each configurable as 2 independent 32-bit timers;
1 64-bit watchdog timer; up to 71-pins of general-purpose input/output (GPIO) with programmable
interrupt/event generation modes, multiplexed with other peripherals;
handshaking support on 1 UART; 3 pulse width modulator (PWM) peripherals; and 2 external memory
interfaces: an asynchronous external memory interface (EMIFA) for slower memories/peripherals, and a
higher speed synchronous memory interface for DDR2.
3
UARTs
with
hardware
The DM6446 device includes a Video Processing Subsystem (VPSS) with two configurable video/imaging
peripherals: 1 Video Processing Front-End (VPFE) input used for video capture, 1 Video Processing
Back-End (VPBE) output with imaging co-processor (VICP) used for display.
The Video Processing Front-End (VPFE) is comprised of a CCD Controller (CCDC), a Preview Engine
(Previewer), Histogram Module, Auto-Exposure/White Balance/Focus Module (H3A), and Resizer. The
CCDC is capable of interfacing to common video decoders, CMOS sensors, and Charge Coupled Devices
(CCDs). The Previewer is a real-time image processing engine that takes raw imager data from a CMOS
sensor or CCD and converts from an RGB Bayer Pattern to YUV4:2:2. The Histogram and H3A modules
provide statistical information on the raw color data for use by the DM6446. The Resizer accepts image
data for separate horizontal and vertical resizing from 1/4x to 4x in increments of 256/N, where N is
between 64 and 1024.
The Video Processing Back-End (VPBE) is comprised of an On-Screen Display Engine (OSD) and a
Video Encoder (VENC). The OSD engine is capable of handling 2 separate video windows and 2 separate
OSD windows. Other configurations include 2 video windows, 1 OSD window, and 1 attribute window
allowing up to 8 levels of alpha blending. The VENC provides four analog DACs that run at 54 MHz,
providing a means for composite NTSC/PAL video, S-Video, and/or Component video output. The VENC
also provides up to 24 bits of digital output to interface to RGB888 devices. The digital output is capable of
8/16-bit BT.656 output and/or CCIR.601 with separate horizontal and vertical syncs.
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Digital Media System-on-Chip (DMSoC)
3
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TMS320DM6446AZWT | 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC DaVinci Dig Media SOC RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT |
| TMS320DM6446AZWTA | 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC DaVinci Dig Media SOC RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT |
| TMS320DM6446BZWT | 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC DaVinci Dig Media Sys-on-Chip RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT |
| TMS320DM6446BZWT8 | 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC DaVinci Dig Media SOC RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT |
| TMS320DM6446BZWTA | 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC DaVinci Dig Media Sys-on-Chip RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT |
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