介绍一下全志A13芯片处理器的相关参数

mytomorrow

A13处理器是一种基于ARM Cortex-a8的平板处理器，它对于性能更高(ManyCore Lite)、功耗更低、系统整体更低的android平板来说更具竞争力。正如Android4.0.3的大脑一样，A13使得多任务处理更加顺畅，应用程序加载得更快，你触摸到的任何东西都会立即响应。更重要的是，eLQFP176中有A13Kage与音频编解码，和2分R-TP集成。

A13芯片特点：
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( P, Q+ U6 T1 dCPU
  y" P& z! D/ s) f3 _6 [ ARM Cortex-A8 Core
! R6 g6 a+ }0 E" r) s! z ARMv7 Instruction set plus Thumb-2 Instruction Set
  q$ o- s$ u  L( q 32KB Instruction Cache and 32KB Data Cache
 256KB L2 Cache
# t: t" |' d2 R9 P/ a NEONTM SIMD Coprocessor
! b; a, d7 ~! i$ J" | Jazelle RCT Acceleration

/ e& i2 _- Z. w& DGPU
2 I; A# v1 z$ G+ C* r6 T  \3D Graphic Engine
---Support Open GL ES 1.1/ 2.0 and Open VG 1.1
, \' `7 \9 y+ Q4 c
8 A- Z$ \  U8 ?6 [8 q1 q4 UVideo Engine
1 z- P9 ~% d+ a8 i1 m: PVideo Decoding (FULL HD)
$ w9 E+ D5 s- J7 u2 x& o---Support multi-format video decoding, including VP6/8, AVS, H.264, H.263, MPEG-1/2/4, etc
- P! r6 ^6 V8 Q% l, b- r---Up to 1080p@30fps resolution in all formats
Video Encoding
( q  z0 U$ m5 [$ R---Support encoding in H.264 MP format
---Up to 720p@30fps resolution
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Display Processing Ability

% X7 z' n. ~# ~7 o, S+ XFour moveable and size-adjustable layers
Support multi-format image input
Support image enhancement processor
Support Alpha blending /anti-flicker
* ]8 ~; _) I" i- ~8 \% iSupport Hardware cursor
6 p6 b1 ^4 o* g0 fSupport output color correction (luminance / hue / saturation etc)

& \- r& k( m9 v' {2 rDisplay Output Ability
LCD inteRFace (CPU / Sync RGB )
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$ D8 K0 N, w: X: t5 ]Image Input Ability
Support 8bit CMOS sensor parallel interface
Support CCIR656 protocol for NTSC and PAL

0 x! ?. g* v* }1 {2 x, V$ s8 h6 a; SMemory
16-bit SDRAM controller
---Support DDR2 SDRAM and DDR3 SDRAM
---Memory Capacity up to 512MB
5 P9 I! b$ y- ?4 ^8-bit NAND Flash Controller with 2 CE and 2 RB signals
---Support SLC/MLC/TLC NAND
---64-bit ECC
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2 R9 f5 j2 D  L9 @External Peripherals
One USB 2.0 OTG controller for general application and one USB EHCI/OHCI controller for host application
1 y" H, f% f$ i! S- K+ YTwo High-speed memory controllers supporting SD version 2.0 and eMMC version 4.3
0 J& Y6 b/ I, nFour UARTs(all with Infrared data Association[IrDA])
Three SPI controllers(master/slave mode)
' P- a$ }( \* t" U8 aThree Two-Wire Interfaces(TWI)
IR controller supporting CIR remoter
. P- y. E7 ^+ v3 v) A& u6-bit LRADC for line control
Internal 4-wire touch panel controller with pressure sensor and 2-point touch
/ _0 w2 b/ U' L; w) jInternal 24-bit Audio Codec for 2-Ch headphone and 1-Ch microphone
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System Peripherals
8 channels normal DMA and 8 channels dedicated DMA
Internal 48K SRAM on chip
  l+ r, n" \- q$ k4 ^% H6 asynchronic timers, 2 synchronic timers, 1 watchdog, and 2 AVS counters

Package
. W% _* i6 O; E' } eLQFP176 package

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A13方框图
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yin123

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