简介

AM837x系列芯片包含AM8370、AM8371、AM8372三颗芯片，该系列是一款高度集成的混合信号SoC处理器，它适用于多媒体应用场景。AM837x内嵌的CPU是一个高性能、低功耗的32位RISC内核，具有DSP指令扩展性能，其运行速度可达700MHz。
AM837x集成了无损或接近无损的图像/视频压缩和解压缩模块，可通过1Gbit/s以太网传输RGB888格式的1080P视频。

AM837x多媒体处理器除了拥有1个USB OTG控制器、UART、I2C、SPI等接口，还集成了HDMI Tx和HDMI Rx接口，是一颗高集成度的多媒体视频处理芯片，可为音视频处理场景提供极具性价比的显示解决方案。

产品特点：

■ 32BIT RISC内核

- 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

■ 视频编码器

- 60 frames per second at 1920x1080 resolution for video all format

■ 图像/视频压缩器

- Support upto 1080P60 Resolution
- Support 8bit YCbYCr/RGB
- Adaptive compress ratio up to 1:6
- Lossless or Near-lossless compress

■ OSD

- 1,2 OSD bitmap data width
- 256x128 size in 2 bit or 256x256 in 1 bit

■ 显示接口

- HDMI Tx support, industry standard compliance HDMI 1.2
- HDMI Rx support, industry standard compliance HDMI 1.3a

■ 音频

- Support 32 levels volume control

■ Ethernet MAC

- Support MII/RMII/RGMII up to 1Gbps rate

■传输管理

- Transfer compressed video/audio data through Ethernet
- Receive compress video/audio data through Ethernet
- The transferred video upto 1920x1080 60fps

■ 存储器

- OTP ROM 64bit Chip ID

■ DMA控制器

- 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

■ 主机模式

- 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

■ 其他接口

- UART/I2C/SPI
- 3 external interrupts
- 35 configurable GPIO shared with function pins

■ 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

■ 封装

- QFP 128pin (epad), 14x14mm

应用

KVM延长器，HDMI视频传输器，HDMI光纤延长器，IP视频延长器

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