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簡介炬力北方Actions的AM835x系列是一款針對(duì)音視頻UVC/UAC采集專用的SoC處理器，型號(hào)包括AM8350、AM8352兩種型號(hào)
簡介
炬力北方Actions的AM835x系列是一款針對(duì)音視頻UVC/UAC采集專用的SoC處理器，型號(hào)包括AM8350、AM8352兩種型號(hào)。AM8350/AM8352 芯片可將 HDMI 信號(hào)采集并轉(zhuǎn)換為 UVC 協(xié)議，通過 USB連接到智能設(shè)備，采集前端信號(hào)源畫面的一款性價(jià)比的UVC視頻處理器芯片。
AM835x處理器具有高性能、低功耗的32位RISC內(nèi)核，支持DSP指令擴(kuò)展，運(yùn)行速度可達(dá)800MHz。他具有硬連線多格式視頻編碼器，支持多種流行的視頻格式，包括全高清分辨率的MJPEG/H.264。AM835x多媒體處理器不僅內(nèi)置了HDMI RX/HDMI TX接口，還集成了1個(gè)USB OTG控制器、UART、I2C、SPI等接口。
特性
? 32BIT RISC CORE
- 32K byte instruction cache and data cache
- F/W can program from DC up to 800MHz transparently
- DSP instruction for multi-media acceleration
- Static design allows changing clock at run-time for power saving
? VIDEO ENCODER
- Support ISO/IEC 14496-10/YU-T Rec.H.264
- Base Profile,Level 1-5.1
Main Profile ,levels 1-5.1
High Profile ,levels 1-5.1
- Support JPEG ITU-T Rec.T81(09/92),Baseline interleaved/JFIF
- 60 frames per second at 1920x1080 resolution for video all format
- 30 frames per second at 4k resolution
? IMAGE/VIDEO COMPRESSOR
- Support upto 1080P Resolution
- Support 8bit YCbCr 4:2:2 & YCbYCr/RGB
- Adaptive compress ratio up to 1:6
? OSD
- 1,2 OSD bitmap data width
- 256x128 size in 2 bit or 256x256 in 1 bit
? DISPLAY INTERFACE
- HDMI Rx/Tx support, industry standard compliance HDMI 1.3a
? AUDIO
- I2S IN & I2S OUT interface
- Support 32 levels volume control
? MEMORY Storage
- DDR2/3 SDRAM up to 4Gb @ 16bit up to 1066Mbps
- OTP ROM 64bit Chip ID
? DMA CONTROLLER
AM8351 Datasheet v1.0.0 Actions-micro Proprietary 10
- 8 physical channels and 4 bus channels
- Stride mode support
- Software configurable priority
? Boot ROM
- On chip boot ROM with boot loader
- The system could be loaded from SPI Nor flash
? USB 2.0 OTG
- Complies with Universal Serial Bus Specification. Revision 2.0.
- Complies with On-The-Go Supplement to the USB2.0 Specification Revision 1.0a.
- Supports point-to-point communication with one low-speed, full-speed or high-speed device in Host mode.
- Supports full-speed or high-speed in peripheral mode.
- Supports USB Mass Storage Class Bulk-Only Transport Revision 1.0 as host or device.
- Supports Electronic still picture imaging Picture Transfer Protocol (PTP)
- Supports direct print function using pict-bridge
- Supports Universal Serial Bus Device Class Definition for Printing Devices Version 1.1 as host
- Supports Universal Serial Bus Still Image Capture Device Definition Revision 1.0 as host
- Configurable/programmable size of endpoints.
- Configurable/programmable single, double, triple or quad buffering.
- Programmable type of endpoints.
- Supports high-speed high-bandwidth Isochronous and Interrupt transfer.
- Supports suspend, resume and power managements function.
- Support USB wakeup
? OTHER INTERFACE
- UART/I2C/SPI
- 3 external interrupts
- 35 configurable GPIO shared with function pins
? POWER功耗
- 1.3v for core
- 3.3v/2.5v/1.8/1.5v for mac io,3.3v for others
- Core PLL, LCD PLL,Audio PLL and DDR PLL support spread spectrum
? PACKAGE封裝
- QFP 128pin (epad), 14x14mm
USB視頻采集卡應(yīng)用參數(shù)：
HDMI 1080P60 / 4K 30P 輸入
支持 1080P60/ 4K 30P UVC 采集
兼容 USB2.0/3.0
立體聲音頻
支持Windows/Mac 系統(tǒng)、 iPadOS 17+ 和 Android 10+
兼容 Android/iPadOS CapView APP
編碼格式MJPEG
內(nèi)存類型：內(nèi)置DDR/外掛 DDR
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