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ASC8851 PDF даташит

Спецификация ASC8851 изготовлена ​​​​«NXP Semiconductors» и имеет функцию, называемую «(ASC8848 - ASC8851) Multimedia SoC».

Детали детали

Номер произв ASC8851
Описание (ASC8848 - ASC8851) Multimedia SoC
Производители NXP Semiconductors
логотип NXP Semiconductors логотип 

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ASC8851 Даташит, Описание, Даташиты
ASC8848; ASC8849; ASC8850;
ASC8851
Multimedia SoC
Rev. 2.06 — 24 September 2011
Data sheet
1. General description
NXPs ASC8848/49/50/51 SoC is a single chip platform that is designed for embedded
multimedia communication, security and entertainment applications. Powered by the most
popular ARM926EJ processor and high performance NXP video hardware accelerators,
ASC8848/49/50/51 SoC could provide upto 1080p @ 45fps MPEG-4 AVC (H.264) and
JPEG encoding simultaneously at 1080p @ 40fps. With its built-in high performance
image front-end processing engine, it can also provide better video quality than any smart
sensor. Due to its highly flexible architecture, multiple stream real time encoding with up to
8x D1 (704x480) resolution is also practicable.
Version 2.0 of ASC8848/49/50/51 datasheet highlights the feature differences of
ASC8848/49/50 with respect to ASC8851. It also provides details on ASC8851 pinouts.
Free Datasheet http://www.Datasheet4U.com









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ASC8851 Даташит, Описание, Даташиты
NXP Semiconductors
ASC8848_49_50_51
Multimedia SoC
2. Features and benefits
2.1 High Quality Media
NXPs expertise on multimedia processing and compression provides the state-of-the-art
audio visual quality for entertainment and professional applications. The software based
video encoding system guarantees perfect synchronization between audio and video
channels.
2.1.1 H.264 Encoder
NXP H.264 encoder is compliant with H.264/MPEG-4 AVC (ISO/IEC 14496-10) video
coding standard.The H.264 encoder supports the following features:
H.264/MPEG-4 AVC Baseline Profile, Main Profile (I, P frame coding only), and High
Profile (I, P frame coding only) @ Level 4.1
CAVLC and CABAC entropy coding tools
Full search quality motion estimation
Up to 2 reference frames motion estimation
16*16, 16*8, 8*16, 8*8, 8*4, 4*8, and 4*4 motion estimation block size
Integer, half and quarter pixel precision motion estimation
Constant bitrate (CBR) and Variable bitrate (VBR) or constant quality
Encoding capability up to D1 @ 240 fps or Full HD 1080p @ 45 fps
Supports all intra prediction modes for 4 × 4, 8 × 8 and 16 × 16 block sizes
Supports in-loop deblocking filter
Forces intra MB insertion into inter-frames to maintain video quality for large I-frame
interval
Cb and Cr Qp can be different to Y
Supports intra prediction in inter frames using 128 or reconstruction pixels
2.1.2 MPEG-4 Encoder
NXP MPEG-4 encoder is compliant with MPEG-4 Part 2 (ISO/IEC 14496-2) video coding
standard.
The MPEG-4 encoder supports the following features:
MPEG-4 Part 2 Simple Profile
Error resilience tools (video packet re-synchronization)
Full search quality motion estimation
16*16 and 8*8 motion estimation block size
Integer and half pixel precision motion estimation
Constant bit-rate (CBR) and variable bit-rate (VBR)/constant quality
Encoding capability up to D1 @ 80 fps or Full HD 720p @ 30 fps (share the bandwidth
with H.264 encoder)
ASC8848_49_50_51
Data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 2.06 — 24 September 2011
© NXP B.V. 2011. All rights reserved.
2 of 263
Free Datasheet http://www.Datasheet4U.com









No Preview Available !

ASC8851 Даташит, Описание, Даташиты
NXP Semiconductors
ASC8848_49_50_51
Multimedia SoC
2.1.3 JPEG Encoder
NXP JPEG encoder is compliant with JPEG (ISO/IEC IS 10918-1 | ITU-T
Recommendation T.81) image coding standard. The JPEG encoder supports the following
features:
Baseline JPEG with JFIF support
YCbCr 4:4:4, 4:2:2, and 4:2:0 input format
Custom defined quality table and content adaptive Huffman table
Encoding capability up to 80 megapixel/sec or Full HD 1080p @ 40 fps
2.2 Flexible Platform
The on-chip ARM926EJ processor and easy-to-use Video Media Library (VML) API
ensure highest flexibility for system design. The highly integrated SoC platform provides a
glueless interface to CMOS sensor, video decoder,video encoder, LCD module, HDMI
transmitter, serial FLASH, NAND FLASH, DDR-II/III SDRAM, Gigabit Ethernet PHY, audio
codec and camera control. USB 2.0 OTG and PCIe 1.1 interfaces are also available for
wireless LAN connection, mass storage devices and other peripherals.
2.2.1 Video/Sensor Interface
Support various video/sensor input interfaces and rich functions on the captured frame
.
Support 2-channel 8-bit YCbCr 4:2:2 CCIR-656 progressive or interlace format
Support 2-channel 8-bit YCbCr 4:2:2 format with separate SYNC signals
Support 1-channel 16-bit YCbCr 4:2:2 format with separate or embedded SYNC
signals
Support 2-channel 2-to-1 time-multiplexed CCIR-656 8-bit YCbCr 4:2:2 progressive or
interlace format
Support 2-channel 4-to-1 time-multiplexed CCIR-656 8-bit YCbCr 4:2:2 progressive or
interlace format
Support 1-channel Bayer pattern (Bayer RGB or CMYG) raw data format up to 16-bit.
Capture up to 8-channel video data simultaneously
Image front-end processing (Color Filter Array, Auto White Balance, Auto Exposure,
and Auto Focus, color correction, gamma correction)
Tone mapping that can provide Wide Dynamic Range (WDR) image quality
Automatic Contrast enhancement that can improve the image quality in high contrast
environment
Photometric and Geometric lens distortion correction
Color adjustment (saturation, brightness, and contract control)
Image cropping, mirror, and flip
ASC8848_49_50_51
Data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 2.06 — 24 September 2011
© NXP B.V. 2011. All rights reserved.
3 of 263
Free Datasheet http://www.Datasheet4U.com










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ASC8851(ASC8848 - ASC8851) Multimedia SoCNXP Semiconductors
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