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ASC8849 반도체 회로 부품 판매점

(ASC8848 - ASC8851) Multimedia SoC



NXP Semiconductors 로고
NXP Semiconductors
ASC8849 데이터시트, 핀배열, 회로
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


ASC8849 데이터시트, 핀배열, 회로
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




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(ASC8848 - ASC8851) Multimedia SoC - NXP Semiconductors



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(ASC8848 - ASC8851) Multimedia SoC - NXP Semiconductors