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。

/ G5 t9 t8 `% _' dA13芯片特点：
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CPU
. Z0 b& `7 e. h$ L ARM Cortex-A8 Core
/ F. ?  e" j- p9 e ARMv7 Instruction set plus Thumb-2 Instruction Set
9 y5 }! ?* T+ \ 32KB Instruction Cache and 32KB Data Cache
6 B2 F& B3 C: x# O8 e- b6 Q% i 256KB L2 Cache
1 M  b0 [9 c; w* @. g# z# {! j NEONTM SIMD Coprocessor
 Jazelle RCT Acceleration
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GPU
3D Graphic Engine
---Support Open GL ES 1.1/ 2.0 and Open VG 1.1
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) \! G3 s$ Z, J5 w! C* e# JVideo Engine
. p# F7 O* X1 h' N3 q; o6 M+ ^) o# dVideo Decoding (FULL HD)
# v& C3 x* f& Z% M( B% Y/ |---Support multi-format video decoding, including VP6/8, AVS, H.264, H.263, MPEG-1/2/4, etc
---Up to 1080p@30fps resolution in all formats
Video Encoding
2 \! v, ^/ m8 c2 V---Support encoding in H.264 MP format
1 y, m- C; B1 I. b) {4 Q+ s---Up to 720p@30fps resolution
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Display Processing Ability

Four moveable and size-adjustable layers
& u) x* |5 Q7 J; kSupport multi-format image input
Support image enhancement processor
* u) R# L. E( @7 C4 o: [Support Alpha blending /anti-flicker
* R, }0 p. y! [Support Hardware cursor
Support output color correction (luminance / hue / saturation etc)
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" E  S( Z8 m2 c5 |" `Display Output Ability
) O' d* t4 ~& ULCD inteRFace (CPU / Sync RGB )

  b; U; l4 U: O# P7 {3 hImage Input Ability
Support 8bit CMOS sensor parallel interface
Support CCIR656 protocol for NTSC and PAL

9 \; H& k! v* mMemory
16-bit SDRAM controller
% p- K+ ]: o* D) C/ w---Support DDR2 SDRAM and DDR3 SDRAM
---Memory Capacity up to 512MB
8-bit NAND Flash Controller with 2 CE and 2 RB signals
) y8 L8 z4 s: O' [- A2 M---Support SLC/MLC/TLC NAND
' h# ]" z8 T& V% N/ M---64-bit ECC
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External Peripherals
One USB 2.0 OTG controller for general application and one USB EHCI/OHCI controller for host application
2 O+ e3 ~# z6 W4 F. `Two High-speed memory controllers supporting SD version 2.0 and eMMC version 4.3
Four UARTs(all with Infrared data Association[IrDA])
) c5 ?( Y$ B" V  ~Three SPI controllers(master/slave mode)
Three Two-Wire Interfaces(TWI)
$ Z9 z2 s5 v, K9 A  @IR controller supporting CIR remoter
6-bit LRADC for line control
% W8 M- a' g+ V2 {5 v& tInternal 4-wire touch panel controller with pressure sensor and 2-point touch
Internal 24-bit Audio Codec for 2-Ch headphone and 1-Ch microphone

* _+ z/ w7 J$ t# a3 WSystem Peripherals
8 channels normal DMA and 8 channels dedicated DMA
Internal 48K SRAM on chip
6 asynchronic timers, 2 synchronic timers, 1 watchdog, and 2 AVS counters

Package
 eLQFP176 package
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A13方框图
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