數位多媒體發展套件-DMEK642/DMDK642
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DM642是最新以強大的C64為核心的數位多媒體DSP。
針對聲音和影像的市場，提供了聲音和影像的編、解碼。這個新的
SoC
可以使影音達到高水準的表現並減少了系統上的成本。DMEK/DMDK642
使用了 DM642
的優點，並加強了其它的介面，例如：IDE介面、RS-2332或RS-422介面、乙太網路和
HPI。
此套件完整支援
Ateme 的聲音和影像的壓縮軟體。
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簡介：
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處理能力
:
- 德州儀器
TMS320DM642
DSP @ 600 Mhz,
- 32 MB SDRAM
@
133 MHz,
- 4 MB Flash,
- FPGA
processing capability 50 Kgates (DMDK only) with 256
kWords local SRAM.
Audio/Video
特色
:
The audio and video interfaces address the whole range of
analog and digital media systems.
Video interfaces :
- BT.601, BT.656,
SMPTE nn
digital input and ouput provided by
direct access to DM642 Video Port on extension
connector,
- 內建
2
類比影像擷取通道
(NTSC or PAL),
- 內建類比影像輸出
(NTSC or PAL),
- 內建 VGA
輸出,
- Optional direct
connection with digital video camera-chip,
Audio interfaces :
- I2S, S/PDIF, AES
digital input and output
provided by direct
access to DM642 McASP audio serial port,
- 內建類比聲音擷取裝置(stereo, line level, CD quality
+ microphone input),
- 內建類比聲音錄放裝置
(stereo, line level, CD quality).
一般使用界面:
A large number of different interfaces allows any kind of
applications and specificity.
- Host Port Interface,
- IDE界面硬碟
(DMDK only),
- 資料串接界面: McASP, I2C,
- Dual UART with RS232 or
RS422 level,
- Ethernet
10/100 Mbps,
- 高速
32 bits 擴充埠(expansion link - DMDK only),
- General Purpose
IOs.
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方塊圖：
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DMEK642 board
DMDK642 board
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主要特色：
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Stand alone use
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Power supply connector (9 to 16V)
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Flash memory (4 MB)
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PCI use
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PC104 on request
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Size
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90mm x 230mm (3.5” x 9”)
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處理能力 :
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DMEK 642
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DMDK 642
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| DSP
resources |
DSP TMS320DM642
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| 600 MHz
DSP |
| 32 MB
SDRAM (4 x 4 x 16 Mb SDRAM) |
| 4 MB FLASH |
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FPGA resources
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FPGA 50 Kgates ALTERA |
| Emulation |
JTAG HE14 connector |
傳輸特色:
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傳輸線
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Ethernet 10/100 Mbps
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| Complete
RS232 UART |
| RS232/RS422
link |
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子卡界面擴充埠
(DMDK only)
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能夠於子卡附加影像、聲音、類比、數位I/Os
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80 點連接器
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| 32 bits
FIFO interface on EMIF |
| 裝置頻率：
up to 200 MB/s bandwidth |
| 裝置匯流排
(DSP): 8 bit data + 4 bit address |
| Reset,
Interrupt, Chip Select |
| Download
bus for Altera FPGAs |
| 3V3, 5V,
+12V, -12V power supply for daughter card |
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主機Port界面
(DMDK
only)
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16 bits data bus
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Audio/Video擴充埠
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數位影像輸入輸出：
BT.601,
BT.656, SMPTE nn 規格相容
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| McASP
– 數位聲音輸入輸出：S/PDIF, IEC60958-1,
AES-3, CP-430 formats support |
| I2C link |
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IDE界面
(DMDK only)
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44點連接器 |
| 16 bits資料匯流排 |
Audio/Video 特色
:
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影像擷取
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數位影像輸入(see audio/video
expansion port)
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4 composite inputs (PAL & NTSC)
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2 s-video inputs (PAL & NTSC)
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影像輸出
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數位影像輸出(see audio/video
expansion port)
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| RGB
output for VGA connector (VESA standard) |
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聲音擷取
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立體聲道輸入
(CD quality),
up to 96 kHz sampling rate
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| 單音聲道麥克風輸入 |
| 數位聲音輸入
(see audio/video expansion port) |
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聲音輸出
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立體聲道輸出
(CD quality) |
| 數位聲音輸出
(see audio/video expansion port) |
See DMEK 642
data-sheet (PDF version)
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