全志處理器,全志A40i晶片引數分享

A40i晶片引數：

CPU Architecture

• Quad-core ARM Cortex-A7 MPCore Processor

• ARMv7 ISA standard ARM instruction set

• Thumb-2 Technology

• Jazeller RCT

• NEON Advanced SIMD

• VFPv4 floating point

• Hardware virtualization support

• Large Physical Address Extensions(LPAE)

• JTAG debug

•One general timer for per CPU

• 32KB Instruction and 32KB Data L1 cache for per CPU

• 256KB L2 cache

GPU Architecture

• 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

Memory Subsystem

SDRAM

• Compatible with JEDEC standard DDR2/DDR3/DDR3L/LPDDR2/LPDDR3 SDRAM

• Up to 2GB address space

• 16 address signal lines and 3 bank signal lines

• 32-bit bus width

NAND Flash

• Supports SLC/MLC NAND and EF-NAND

• Supports SDR/Toggle DDR/ONFI DDR NAND interface

• 16 address signal lines and 3 bank signal lines

• up to 8-bit data bus width

SD/MMC Interface

• Up to four SMHC controllers

• Comply with eMMC standard specification V5.0

• Comply with SDIO card specification V3.0

• 1/4/8-bits bus width

USB

• One USB 2.0 OTG

• Two EHCI/OHCI compliant Hosts

Video Decoding

• Support picture size up to 3840x2160

• Support decoding speed up to 1080p@60fps

• Supported multi-formats: MPEG1/2, MPEG4 SP/ASP, WMV, H.263 including Sorenson Spark, H.264 BP/MP/HP, VP6/8, AVS/AVS+, JPEG/MJPEG, etc

Video Encoding

• H.264 HP up to 1080p@45fps

• JPEG baseline: picture size up to 4096x4096 

• Alpha blending

• Thumb generation

• 4x2 scaling ratio from 1/16 to 64 arbitrary non-integer ratio

Video Output

• HDMI 1.4 transmitter with HDCP up to 1080p@60fps

• Supports 4 lanes MIPI DSI up to 1080p@60fps

• Supports LVDS interface up to 1920 x 1080@60fps

• Supports RGB interface up to 1920 x 1080@60fps

• Supports CVBS out, 4-ch CVBS, 1-ch YPbPr or 1-ch VGA

Analog Audio Output

• Stereo audio DAC

• Stereo capless headphone drivers

• One low-noise analog microphone bias

• Dedicated headphone outputs

• Two mixers to meet different requirements

Video Input

• Supports 4-ch analog CVBS in

• Supports Dual parallel interfaces:CSI0 and CSI1

• Supports CCIR656 protocol for each CSI

• Supports 16-bit BT1120 interface for CSI0

• Supports 24-bit RGB/YUV444 input for CSI1

Analog Audio Input

• Support four analog audio inputs

• Stereo audio ADC

EMAC

• Support 10/100Mbps MII PHY interface

• Comply with the IEEE 802.3-2002 standard

Digital Audio

• One I2S compliant audio interface, supporting 8-channel and 2-channel input

• One PCM, supporting linear sample (8-bit or 16-bit), 8-bit u-law and A-law companded sample

• One AC97 audio codec, supporting 2-channel and 6-channel audio data output

GMAC

• Support 10/100/1000Mbps RGMII/MII PHY interface

• Comply with the IEEE 802.3-2002 standard

DMA

• 16 channels:8 channels with normal DMA,8 channels with dedicated DMA

• Support data width of 8/16/32 bits

• Support linear and IO address modes

• Support data transfer types with memory-to-memory, memory-to-peripheral, peripheral-to-memory

PWM

• 8 PWM channels outputs

• Support cycle mode and pulse mode

• The pre-scale is from 1 to 64

Smart Card Reader

• One smart card reader controller supporting ISO/IEC 7816-3 and EMV2000 specifications

• Support synchronous and any other non-ISO 7816 and non-EMV cards

CIR

• A flexible receiver for IR remote

• Up to two IR controllers

• Programmable FIFO thresholds

UART

• Up to 8 UART controllers

• 64-Bytes Transmit and receive data FIFOs for all UART

• Compliant with industry-standard 16550 UARTs

• Support Infrared Data Association(IrDA) 1.0 SIRR

SATA

• One SATA Host controller

• Support SATA 1.5Gb/s and SATA 3.0Gb/s

• Comply with SATA spec 2.6

• Support external SATA(eSATA)

Keypad

• One keypad matrix interface up to 8 rows and 8 colums

• Interrupt for key press or key release

• Internal debouncing filter to prevent switching noises

SPI

• Up to 4 SPI controllers

TWI

• Up to 5 TWIs(Two Wire Interface) controllers

• Support Standard mode (up to 100K bps) and Fast mode (up to 400K bps)

TWI

• Up to 5 TWIs(Two Wire Interface) controllers

• Support Standard mode (up to 100K bps) and Fast mode (up to 400K bps)

Operating Temperature

• - 40℃~ 85℃

參考資料可借鑑 A40i datasheet （一牛網論壇）

---------------------