V3s

Allwinner V3s is SoC with build-in ARM Cortex A7 CPU and integrated 64MB DDR2 RAM

=Overview=

The V3s targets the Car Digital Video Record (DVR) and IP Camera (IPC) Monitor System market.

It comes in a hacker-friendly 128-pin eLQFP package.

Main components of the V3s:

 * CPU: Cortex-A7 1.2GHz (ARM v7-A) Processor which have both VFPv3 and NEON co-processors:
 * FPU: Vector Floating Point Unit (standard ARM VFPv4 FPU Floating Point Unit)
 * SIMD: NEON (ARM's extended general-purpose SIMD vector processing extension engine)
 * Integrated 64MB DRAM

=V3s SoC Features=
 * CPU
 * ARM Cortex TM -A7 MP1 Processor
 * Thumb-2 Technology
 * Support NEON Advanced SIMD(Single Instruction Multiple Data)instruction for acceleration of media and signal processing functions
 * Support Large Physical Address Extensions(LPAE)
 * VFPv4 Floating Point Unit
 * 32KB L1 Instruction cache and 32KB L1 Data cache
 * 128KB L2 cache


 * Boot ROM
 * Internal on-chip memory
 * Size:32KB
 * Support system boot from the following device:
 * SPI Nor flash
 * SPI Nand flash
 * SD/TF card
 * eMMC
 * Support system code download through USB OTG


 * SDRAM
 * Internal on-chip memory
 * Integrated a 512Mbit DDR2 in V3s processor
 * Support clock frequency up to 400MHz
 * Support Memory Dynamic Frequency Scale(MDFS)


 * SD/MMC Interface
 * External off-chip memory and storage device
 * Up to three SD/MMC controllers
 * 1/4-bit SD,SDIO,MMC mode
 * Complies with eMMC standard specification V4.41, SD physical layer specification V2.0, SDIO card specification V2.0
 * Support hardware CRC generation and error detection
 * Support block size from 1 to 65535 bytes

= Documentation =
 * Allwinner V3s Datasheet V1.0.pdf

= Links =
 * Product Page (Allwinner Tech)