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本帖最後由 masonchung 於 2010-1-26 09:43 AM 編輯 7 e% x5 O3 u3 \) A1 k9 @
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Broadcom發表超低功率的1080p多媒體處理器
7 p' I G! R, n9 `電子工程專輯 2009/12/24 ' H+ ?" p) `8 q% x' g! ^
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博通(Broadcom)公司發表其新世代多媒體處理器BCM2763 VideoCore IV,具備更高效能與更低功耗,採用40奈米(40nm) CMOS製程技術,能夠比65奈米產品的整合性更高,且佔用的空間更小、功耗更低。
3 _) ?. s+ S2 y8 @* g3 L' ?4 Q1 ~藉由40奈米COMS製程技術提供的更高整合度及大幅節能等特性,BCM2763多媒體處理器能支援最先進的行動高畫質(HD)攝影機及影像播放裝置、高達2千萬畫素的數位相機和照片處理功能,以及高解析度的1gigapixel 2D/3D繪圖能力,為消費者提供世界級的遊戲體驗。 4 W. g; [' N, m" `/ E4 K
利用該晶片內建的標準HDMI介面,還可以在全尺寸的高畫質電視播放最高品質的高畫質影像、3D遊戲和高解析度達2千萬畫素的影像。此外,由於BCM2763的高整合性架構能降低物料成本,使得更多低價手機得以嵌入尖端先進的多媒體功能。
+ {7 S( t& L% T4 v9 x最新的Broadcom BCM2763 VideoCore IV多媒體處理器可讓手機具備Full HD 1080p的攝影機功能,大幅超越目前一般手機的影像品質(通常只具備VGA或更低解析度的攝影功能)。其高達2千萬畫素的數位相機具備多種先進功能,如每秒連拍數張照片、相機防手震、臉部表情及笑容偵測以及全景拍攝模式。 7 ?, p3 `' P1 a. C7 D, U5 P
此外,還有高達1080p解析度的行動遊戲影像畫質,並內建HDMI輸出功能,可在大型螢幕的高畫質電視提供遊戲機品質的遊戲體驗。除了讓新手機具備這些功能外,藉由40奈米製程技術大幅提升的節能效率,使BCM2763既不會大量消耗電池電力,也不至於大幅縮短手機通話時間。
: |3 Q9 h! S0 }9 T. x5 z' Y( @+ r在低功耗性能方面,新款多媒體處理器據稱較前一代Videocore III多媒體處理器功耗減少20%∼50%。只要手機的儲存容量夠,即可錄影4到6小時的1080p畫質影片、播放8到10小時的行動影片,並透過HDMI介面播放16小時的Full HD影片。1080p攝影機H.264 High Profile編碼的晶片功率只需490mW,播放1080p畫面的晶片功率只需160mW。行動遊戲的繪圖處理只需160mW功率,每秒填充率高達1gigapixel,且繪圖效能是Videocore III多媒體處理器的4到6倍。 l& U9 S3 q- a# ^% t, C
BCM2763將8種晶片的功能整合在一起,以單一封裝堆疊GPU及圖形記憶體、影像訊號處理(ISP)及ISP記憶體、視訊處理及視訊記憶體、HDMI及USB 2.0. 128MB的LPDDR2圖形記憶體。40奈米製程可降低功率、提升效能並減少手機機板的空間。 $ h+ ? A }* Z x2 P
BCM2763目前已提供樣品給早期取得計劃的客戶。採用此一全新40nm VideoCore IV多媒體處理器技術的手機,預期在2011年上市。
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Highlights/Key Facts:2 E! }9 ]8 ]* B; \5 _
5 R j( b. {" ?- p) B' ` -- The breadth and quality of Internet multimedia content is rapidly7 v8 b; T/ W( M) J" P$ N0 |
improving, with sites such as YouTube now supporting full HD 1080p video" Q, S$ `+ [% W! c
sharing. Consumers are also increasingly using cell phones as their$ S: P) N8 |7 ^# |
primary digital camera and camcorder, which is driving demand for higher6 v% S: ?; r) i
resolution and more sophisticated image processing which is currently
/ u/ e$ u _% J% G' m0 Y only available on advanced standalone camcorders and cameras.
8 T1 d3 q( U) A/ ]9 G! u) w! H4 w7 E Additionally, newer graphics-oriented user interfaces and mobile games! y" F+ }1 {: X! S4 X9 }
now require enhanced graphics capabilities.! t1 s' R$ i$ c# c0 q: p
-- The new Broadcom BCM2763 VideoCore IV multimedia processor enables
8 U! z0 X2 S' U0 x+ g) ~ best-in-class performance in the following areas:- ^: j: `/ E! o6 Z' y
-- Full HD 1080p camcorder capabilities in a cell phone with4 S r+ z. Q: j" J
significantly improved quality over current generation handsets
* |: z6 L1 y% C7 ?7 s (which generally have VGA or lower resolution camcorders).
( J9 A/ I( B) j1 D -- Up to 20 megapixel digital camera with advanced features such as
% a; l1 D5 M o" }8 o8 o1 q multiple shots per second, image stabilization, face and smile
* W- Q; W8 @9 `) ~$ x. t# A detection and panorama mode.& d$ ] ^4 f9 A$ G5 f# L' r' a
-- The ability to render mobile games natively at up to 1080p
# ~- r* Q# W" m+ y resolution, which in combination with an on-board HDMI output,
9 V& `! h& N8 r allows a console-quality gaming experience on large screen HDTVs.5 n# j0 V; i$ \$ |6 j
-- In addition to providing these capabilities on new handsets, the BCM2763. B: H: _) [) T) g
has improved power savings using a 40nm process without draining the+ D; e! b& K+ \5 |' C% G
battery or significantly reducing talk time. Additional ultra-low power1 H$ ~3 p# [) q7 t: p' e
consumption features include:
$ G. w1 I3 z1 R( e. N -- 20% to 50% power reduction in comparison to the prior generation
$ r' w8 p$ n. }0 H" }# h Videocore III multimedia processor.
, C6 d# @) u$ [+ l9 m) t -- 4 to 6 hours of 1080p video recording and 8 to 10 hours of mobile
5 O2 A' p7 t- | W( m7 M `& A playback, with up to 16 hours of full HD playback over HDMI given* F: ^# E; j( U+ P0 k
sufficient handset storage.2 P" I2 \9 E- ]; `
-- Only 490 mW of chip power is required for 1080p camcorder H.264 High
" w8 X2 a9 c2 ` Profile encoding and only 160 mW for 1080p playback.3 h, z- ]: R' {) w: {
-- Only 160 mW of power is required for mobile game graphics! P$ I' d* F% \; Y5 @3 c
processing, supporting up to 1 gigapixel per second fill rates and
1 m, s' z2 ]# T: Y7 o. U improves graphics performance by a factor of 4x to 6x in comparison
! d$ [( C& _" G3 J6 L0 i: G to the prior generation Videocore III multimedia processor.+ Q) ?( D- W* [0 m m
-- The BCM2763 processor integrates the key functionality and components
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result of this high integration, the BCM2763 enables a lower overall BOM
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advanced features to lower tier phones than previously possible.* e. S$ o+ O9 ]! z6 t$ }
-- The BCM2763 integrates the functions of eight chips including GPU
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video processing and video memory, HDMI and USB 2.0. 128MB of LPDDR28 x7 c3 f- l3 a) }* b
graphics memory is stacked in a single package.' v2 G- @& }) f* ^' S" K) N
-- The 40nm process enables reduced power, improved performance and" d- C6 x2 r7 I% L; }
reduced handset board space.) z: R* [! e$ t6 i
-- Benefiting from an existing VideoCore software code base and legacy
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" l0 x( y- r4 }! m4 I j devices can easily add these new VideoCore IV multimedia features to T# F& O7 J4 s) P: }3 H% i; `% [
their products, allowing faster time-to-market.
! _5 i$ x6 \2 m5 g' ? -- The BCM2763 is currently sampling to early access customers (pricing
7 Z. D3 V2 I. ?' S; ]$ g& i. l0 f! ? available upon request). Handsets utilizing this new 40nm VideoCore IV
1 \( ? s) h. h multimedia processor technology are expected to reach the market in- Q9 G, e) @0 C8 U
2011. |
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