R40

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R40
250px
Manufacturer Allwinner
Process 40 nm
CPU Quad-Core ARM Cortex-A7 @ 1.5 GHz
Extensions Thumb-2, Jazelle RCT, NEOS, VFPv4, LPAE
Memory LPDDR2/LPDDR3/DDR2/DDR3/DDR3L
GPU Mali400 MP2
Connectivity
Video CPU/RGB LCD, LVDS, MIPI DSI, HDMI V1.4
Audio I2S, PCM
Storage MMC, NAND, eMMC, Nor Flash, SATA
USB OTG, 2x Host
Website http://www.allwinnertech.com/index.php?c=product&a=index&id=56

Allwinner R40 (sun8i) SoC features a Quad-Core Cortex-A7 ARM CPU, and a Mali400 MP2 GPU from ARM. It is a not-pin-compatible quad core sucessor of the A20). It's also known as the Allwinner T3 for In-Car Entertainment usage.

Contents

Overview

There is no support for the R40 in the linux-sunxi 3.4 kernel and in u-boot-sunxi. Support in mainline u-boot and in the mainline kernel is work in progress.

R40 SoC Features

  • CPU
    • ARM Cortex-A7 Quad-Core
    • 512 KB L2-Cache (shared between four cores)
    • 32 KB (Instruction) / 32 KiB (Data) L1-Cache per core
    • SIMD NEON, VFP4
    • Large Physical Address Extensions (LPAE) 1 TB
  • GPU
    • ARM Mali400 MP2
    • Featuring 1 vertex shader (GP) and 2 fragment shaders (PP).
    • Complies with OpenGL ES 2.0
  • Memory
    • DDR2/DDR3/DDR3L/LPDDR2/LPDDR3 controller up to 2GB address space
    • NAND Flash controller and 64-bit ECC
  • Storage
    • SATA 1,5Gb/s + 3,0Gb/s, SATA spec 2.6, AHCI Revision 1.3
  • Video
    • Full HD 1080p video decoding of MPEG-2, MPEG-4 SP/ASP GMC, H.263, H.264, WMV9/VC-1, and VP8
    • BD Directory, BD ISO and BD m2ts video decoding
    • H.264 High Profile 1080p @ 45 fps encoding
    • Complies with RTSP, HTTP,HLS,RTMP,MMS streaming media protocol
  • Display
    • Supports output size up to 2048x2048
    • CPU/RGB/LVDS LCD interface [email protected]
    • MIPI 4 lane DSI interface up to [email protected] resolution
    • TV out: 4-ch CVBS, 1-ch YPbPr and 1-ch VGA
    • HDMI v1.4 with HDCP 1.2, up to [email protected]
  • Camera
    • 4-channel TVIN
    • Dual-sensor support
  • Audio
    • Integrated HI-FI 100 dB Audio Codec
    • Dual MIC noise cancellation
  • PMIC
    • AXP221s

Documentation

Software

Source code and instructions are here

Devices


See also


References


External links

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