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Datasheet A20 PDF ( 特性, スペック, ピン接続図 )

部品番号 A20
部品説明 Processor
メーカ Allwinner Technology
ロゴ Allwinner Technology ロゴ 
プレビュー
Total 30 pages
		
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A20 Datasheet, A20 PDF,ピン配置, 機能
A20
Datasheet
Revision 1.41
Dec 30, 2013
Copyright © 2013 Allwinner Technology Co., Ltd. All Rights Reserved.

1 Page



A20 pdf, ピン配列
A20
Revision
1.0
1.1
1.2
1.3
1.4
Revision History
Date
Feb 27, 2013
March 21, 2013
May 10, 2013
Oct 16, 2013
Dec 30, 2013
Description
Initial version
Revize the logo
Revize VDD-RTC to 1.3V
Modify the recommended operating condition section
Add TJ and θJC
A20 Datasheet (Revision 1.41)
Copyright © 2013 Allwinner Technology Co., Ltd. All Rights Reserved.
Page 3


3Pages


A20 電子部品, 半導体
2  FEATURES
Features
Dual-Core CPU
● Dual Cortex-A7
–ARMv7 ISA standard ARM instruction set
–Thumb-2
–Jazeller RCT
–NEON Advanced SIMD
–VFPv4 floating point
–Hardware virtualization support
–Large Physical Address Extensions(LPAE)
–JTAG debug
–One general timer for individual CPU
–32KB Instruction and 32KB Data L1 Cache for
individual CPU
Graphic Engine
● 3D
–Mali400 MP2 GPU
–Support OpenGL ES 2.0 / OpenVG 1.1 standard
● 2D
–Support BLT and ROP2/3/4
–Support 90° /180° /270° rotation
–Support mirror/ alpha (plane and pixel alpha) /
color key
–Format conversion: ARGB 8888/4444/1555,
RGB565, MONO 1/2/4/8bpp, Palette 1/2/4/8bpp
(input only), YUV 444/422/420
Memory
● Internal BROM
–Support system boot from NAND Flash, SPI Nor
Flash (SPI0), SD Card/TF card (SDC0/2)
–Support system code download through USB
OTG (USB0)
● SDRAM
–Support DDR3/DDR3L/DDR2
–Support 32-bit bus width
–Support 2GB address space
● NAND Flash
–Comply to ONFI 2.3 and Toggle 1.0
–Support 64 bits ECC per 512 bytes or 1024 bytes
–Support 8bits data bus width
–Support 1K/2K/4K/8K/16K page size
–Support up to 8 CE and 2 RB
–Support system boot from NAND flash
–Support SLC/MLC NAND and EF-NAND
–Support SDR/DDR NAND interface
● SD/MMC Interface
–Comply with eMMC standard specification V4.3
–Comply with SD physical layer specification V3.0
–Comply with SDIO card specification V2.0
–Support 1/4/8 bits bus width
–Support HS/DS/SDR12/SDR25 bus mode
–Support eMMC mandatory and alternative boot
operations
–Support four independent SD/MMC/SDIO
controllers
–Support SDSC/SDHC/SDXC/MMC/ RS-MMC card
–Support eMMC/iNand Flash
–Support 1GB/2GB/4GB/8GB/16GB/32GB/64GB
/128GB SD/MMC card
–Support SDIO interrupt detection
–Support descriptor-based internal DMA controller
for efficient scatter and gather operations
A20 Datasheet (Revision 1.41)
Copyright © 2013 Allwinner Technology Co., Ltd. All Rights Reserved.
Page 6

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