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參數(shù)資料
| 型號： | MN1959041 |
| 廠商： | PANASONIC CORP |
| 元件分類： | 消費家電 |
| 英文描述： | COMMERCIAL MPEG-4 VIDEO CODEC IC FOR W-CDMA MOBILE VISUAL TERMINALS |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PBGA239 |
| 封裝： | 11 X 11 MM, LEAD FREE, CSP-239 |
| 文件頁數(shù)： | 1/23頁 |
| 文件大小： | 206K |
| 代理商： | MN1959041 |
Communication Equipment LSI
1
Publication date: November 2002
SDM00008AEM
MN1959041
Commercial MPEG-4 Video Codec IC for W-CDMA Mobile Visual
Terminals
I
Overview
MN1959041 is an image-processing DSP that adopts a vector pipelined architecture. It provides an extensive set of
features that allow it to implement the high-efficiency image and video encoding and decoding required for image
communication, recording, and playback. It implements encoding and decoding that conform to the H.263 and MPEG-
4 Simple@L1 video encoding standards, and decoding that conforms to the MPEG-4 Simple@L3 video encoding
standard. It includes dedicated special-purpose circuits for high-speed decoding of the MPEG-4 core profile.
I
Features
General-purpose DSP core (MP: Main Processor) that can implement complex processing flexibly
Provides an instruction set of 43 instructions, including both scalar and vector instructions.
Provides interrupt control and task management functions that issue VCE/VIF/MIF (described later) start/stop in-
structions and DMA transfer instructions.
Special-purpose arithmetic circuit (VCE: Video Codec Engine) that implements a high-speed video codec
Integer precision and half-pel precision motion detection circuit (MEF/MEH)
Discrete cosine transformation/inverse discrete cosine transformation circuits (DCT/IDCT)
Variable-length encoding and decoding circuits (VLC/VLD)
Blocking noise elimination circuit (PNR)
Shape information decoding circuit (CAD)
Pixel supplementing circuit (PADDING)
Image synthesis circuit (COMPOSITE)
Full complement of image signal input and output functions
Video interface circuit (VIF) that supports both portrait and landscape orientation LCDs
Support for CIF and QCIF 4:2:2 format video input from CMOS cameras
P in P function that displays a subscreen in the lower right of the main screen
Cursor and blue background display functions.
Mosquito noise elimination filter
Functions for picture quality adjustment and for combining video and graphics
IIC (Inter IC) interface (Conforms to Version 2.0, standard and fast mode)
Video signal format conversion function (YCbCr 4:2:2
→
RGB; can be stopped when not needed.)
Graphics overlay function (Either post RGB conversion or post dithering can be selected.)
Video signal adjustment functions: outline enhancement, tint, color gain, brightness, contrast, and gamma adjust-
ment
Dithering function for pseudo 24-bit color (2
×
2 matrix)
Monochrome conversion function (Either monochrome or sepia can be specified.)
Allows moving the display area (a 176-pixel
×
220-line area placed anywhere within a 352-pixel
×
288-line image)
YCbCr 4:2:2 test image generation function (75% color bar, horizontal/vertical stripe, arbitrary brightness/color
difference)
Camera reset control function
Large on-chip DRAM capacity
On-chip 20 Mbit DRAM provided to reduce parts counts and achieve overall system cost reductions
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