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标签 > 全志A40i
全志A40i处理器是全志推出的面向智能工业控制领域的芯片,全志A40i接口丰富、功耗低、系统集成度高。全志A40i支持CVBS-OUT和HDMIV1.4;支持双cmos传感器并行接口和4通道cvbs-in,能够执行多通道视频记录。
全志A40i处理器是全志推出的面向智能工业控制领域的芯片,全志A40i接口丰富、功耗低、系统集成度高。全志A40i支持CVBS-OUT和HDMIV1.4;支持双cmos传感器并行接口和4通道cvbs-in,能够执行多通道视频记录。
A40i集成音频编解码器,24位/192 KHz DAC回放,支持I2S/PCM接口连接外部音频编解码器。离子高达32位/192kHz。硬件外设支持3*USB2.0、GMAC、EMAC、SATA、2*TSC、PS2、RTP、4*SDHC等;支持Linux3.10、Android7.1。
A40i芯片参数:
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
•
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