全志R11芯片处理器参数介绍

R11体现了Allwinner在智能硬件处理器领域的最新进展，并整合了一个运行频率高达1.2GHz的单ARM CortexTM-A7 CPU的同时支持多种外围设备。

CPU

采用ARM Cortex-A7 MP1架构的处理器

Memory Subsystem
Boot ROM

该存储器内部集成了一种专用内存模块

SDRAM

Internal on-chip memory
On-board DDR2 integrated in R11 chip
Run frequency up to 400MHz
Supports Dynamic Frequency Scaling (MFS)

SD/MMC

Non-chip external memory and storage devices

Is capable of carrying out CRC computation and performing error checking on-chip. The block size ranges from 1 to 65535 bytes.

System Peripheral
Timer

Three dedicated built-in timers, each operating via an interrupt-based mechanism. A single monitored unit is designed to produce reset signals or initiate interrupts. A high-performance 33-bit AVS counter ensures precise synchronization of audio and video data. The system supports either a fixed 24MHz oscillator or an internal oscillator for reliable timing.

High Speed Timer

The system supports a maximum of two high-speed timer units. The counter units can operate up to 56 bits. The clock source is synchronized with the AHB1 clock, offering significantly more accuracy than other timer units.

GIC

This device is capable of supporting a total of 16 software-generated interrupts (SGIs), 16 private peripheral interrupts (PPIs), and 125 shared peripheral interrupts (SPIs).

DMA

Up to 8-channel DMA capability

CCU

9个PLL模块
一个集成于芯片的RC振荡器
一个外部24MHz振荡器
一个外部32.768kHz振荡器
时钟管理：采用时钟栅栏技术实现节电；通过时钟启用机制激活设备模块；支持时钟复位功能；具备独立的时钟生成电路；提供时钟分割功能

PWM

两个PWM通道

RTC

Timekeeping and scheduling functionality

LRADC

This system features a 6-bit resolution, supporting both held keys and continuous pressing. Additionally, it offers single-key operation, standard keys, and the ability to press keys continuously.

Crypto Engine

The system implements AES encryption in 128-, 192-, and 256-bit configurations using ECB, CBC, CTS, and CTR modes. It also supports TDES alongside DES through the same block cipher modes. Additionally, the system is capable of performing SHA-1 and MD5 hashing algorithms. The hardware-based pseudorandom number generator (PRNG) features a 160-bit key size and supports a 175-bit seed length for enhanced cryptographic operations.

Display Subsystem
DE2.0

Output size up to 1024x1024 pixels.
Supported are three alpha mixing channels for the main display.
Each channel supports four overlay layers with an independent scaling mechanism.
Compatibility with Potter-Duff blending operations is ensured.
The device supports various input formats including YUV-versions (YUV-Format), ARGB-versions (e.g., ARGB-32 or ARGB-66), and RGB variants.

Display Output

Supports LVDS interface with single link, up to 1024x768@60fps
Supports RGB interface with DE/SYNC mode, up to 1024x768@60fps
Supports serial RGB/dummy RGB/CCIR656 interface, up to 800x480@60fps
Supports i80 interface with 18/16/9/8 bit, support TE, up to 800x480@60fps
Supports pixel format: RGB888, RGB666 and RGB565
Dither function from RGB666/RGB565 to RGB888
Gamma correction with R/G/B channel independence

Video Engine
Video Decoding

能够支持H.264以及JPEG/MPEG视频解码格式；支持H.264全带宽（BP/MP/HP）在1080p分辨率下每秒30帧；支持H.264输出格式包括NV21、NV12、YU12及YV12；能够支持JPEG/MPEG在1080p分辨率下每秒30帧

Video Encoding

The H.264 video encoder is capable of supporting resolutions up to 720p@60fps. The JPEG baseline variant supports picture sizes ranging from standard resolutions up to an impressive 8192x8192 pixels. The maximum supported input resolution is 4800x4800 pixels. This encoder supports a variety of input formats including YU12/YV12/NV12/NV21/YUYV/YVYU/UYVY/VYUY, all of which are widely used in modern digital imaging systems. Additionally, the use of alpha blending is supported, enabling seamless layer transitions and transparent overlays. Thumb generation is also supported, providing convenient preview options for large images. Furthermore, the encoder supports a wide range of scaling ratios (from 1/16 up to a scale factor of 64), accommodating any non-integer ratios for precise image resizing. The encoder also accepts images that have been rotated by any angle without compromising performance or quality.

Image Subsystem
Image Input

该设备支持8/10位CMOS传感器的并行接口功能。
该设备能够实现NTSC和PAL制式的8位CCIR656协议传输。
该设备具备符合HD-CIF系统应用需求的ITU-R BT 1120协议支持。
该设备提供独立同步功能的高比特率接口配置。
该设备完全兼容MIPI-DPHY v1.0及MIPI-CSI2 v1.0规范。
该设备支持MIPI-CSI2标准规定的半路数据通道配置。
该设备支持以下格式：

- YUV422-8/10 bits
- YUV420-8/10 bits(for MIPI-CSI2 only)
- RAW-8/10 bits
- RGB888/RGB565(for MIPI-CSI2 only)

Performance:

• 支持并行接口下的5M分辨率捕捉
• 具备并行接口下1080p@30fps的视频捕捉能力
• 支持MIPI-CSI2接口的5M分辨率捕捉
• 具备MIPI-CSI2接口下1080p@30fps的视频捕捉能力
• 单通道最大数据传输速率达到1Gbps

ISP

The device supports a variety of input formats, including 8/10-bit RAW RGB and 8-bit YCbCr. It also offers multiple output options such as YCbCr420 semi-planar, YCrCb420 semi-planar, YCbCr422 semi-planar, YCrCb422 semi-planar, YUV420 planar, and YUV422 planar. The device is equipped with features for image mirroring and rotation. Additionally, it supports two distinct output channels for enhanced flexibility. The processing speed is optimized to reach up to 8MPixels per second at 24 frames per second (fps). Advanced defect pixel correction ensures image quality remains superior. Super lens shading correction further enhances image clarity by eliminating unwanted shadows. The device incorporates anisotropic non-linear Bayer interpolation with false color suppression for sharp and noise-free images. Programmable color correction allows users to customize color settings according to specific needs. Advanced contrast enhancement and sharpening techniques ensure vivid details are preserved during video playback or still image capture. An advanced saturation adjustment feature provides precise control over the tonal range of images or videos. A sophisticated spatial (two-dimensional) de-noise filter minimizes random noise while preserving important image structures. The device includes advanced chrominance noise reduction techniques to maintain vibrant colors without introducing artifacts or blurring edges. Zone-based auto-exposure (AE)/auto-focus (AF)/white balance (AWB) statistics provide detailed performance analysis across different operating modes or shooting conditions. Anti-flick detection statistics help maintain consistent footage quality by preventing annoying flicker effects during recording or playback operations. Histogram statistics offer insights into the dynamic range and tonal distribution of captured images for post-production analysis and optimization

Audio Subsystem
Audio Codec

Two audio DAC/DAC channels
The interface offers both analog and digital volume control for enhanced flexibility.
It provides a low-noise, analog microphone bias output for clear signal transmission.
The system delivers an energy-efficient, analog audio output between the microphone and headphones.
Equipped with a Dynamic Range Controller for optimizing the playback output quality.
Features one Microphone input and one Stereo Lineout output.
Two audio ADC/ADC channels are supported for comprehensive processing capabilities.

- 达到92分贝信噪比（A-重量曲线）
- 支持从8千赫到48千赫的ADC采样率
- 支持通过调整ADC采样输入实现自动增益控制（AGC）和动态范围控制（DRC）

External Peripherals
USB

One unit of a USB 2.0 OTG controller equipped with integratedPHY

I2S/PCM

遵循标准Inter-IC音频接口（I2S）总线规范。
遵循左对齐、右对齐的PCM模式以及时分复用（TDM）格式。
采用全双工同步工作模式。
支持主从模式配置。
设备可调节音频采样率从8位到32位。
采样率范围为8千赫兹至192千赫兹。
支持8位u-律和A-律压缩采样方案。

EMAC

该设备支持高达1Gbps的数据传输速率（可选配端口：SFP-48, SFP-84, QSFP-48）。该设备兼容RGMII/MII/RMII接口。该设备支持全双工和半双工操作模式。该设备采用基于链表的描述符列表结构。可编程的帧长度以支持标准或巨帧以至至多16KB的以太网帧段。该设备提供多种灵活的地址过滤模式。

UART

The system supports up to three units of UART controllers. Each UART features a FIFO capable of transmitting/receiving data at a rate of 64 bytes. The design complies with the 16550 industrial standard UART specifications.

不再直接进行翻译工作了，并且由于资料的信息量非常大，在阅读时往往只能看到部分内容的情况下，则可以选择性地关注更多细节信息。如果需要全面了解相关内容，则可以参考全志R11 datasheet