（1）處理器概述
（2）處理器模塊架構
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（1）
Processor Core
z ARM Cortex A17 quad-core@maximum 1.4 GHz
− 32 KB L1 I-cache, 32 KB L1 D-cache
− 1 MB L2 cache
− Main control processor for running peripheral drivers and applications
z ARM Cortex A7 single-core@maximum 900 MHz
− 32 KB L1 I-cache, 32 KB L1 D-cache
− 128 KB L2 cache
− Video-related module control
Video Decoding Standards
z H.265 Main Profile L5.1
z H.264 Baseline/Main/High profile L5.0
z MPEG4 SP L0–3/ASP L0–5
z MJPEG/JPEG baseline
Video Encoding Standards
z H.264 Baseline/Main/High profile L5.1
z MJPEG/JPEG baseline
Video Encoding/Decoding
z H.265/H.264&JPEG encoding and decoding of multiple streams:
− 4-channel 4K x 2K (3840 x 2160)@30 fps H.265/H.264 decoding+2x1080p@30 fps H.264 encoding+4-channel 4K x 2K@2 fps JPEG encoding
− 16x1080p@30 fps H.265/H.264 decoding+2x1080p@30 fps H.264 encoding+16x1080p@2 fps JPEG encoding
− 9x1080p@30 fps H.265/H.264 decoding+4K x 2K@30 fps H.264 encoding+9x1080p@2 fps JPEG encoding
− 32x720p@30 fps H.265/H.264 decoding+4x720p@30fps H.264 encoding+32x720p@2 fps JPEG encoding
− 64xD1@30 fps H.265/H.264 decoding+8xD1@30 fps H.264 encoding+64xD1@2 fps JPEG encoding
− 9x720p@30 fps JPEG decoding
GPU
z Integrated Mali-T720 GPU
z OpenGL ES3.1/2.0/1.1
z H.265 Main Profile L5.1
z H.264 Baseline/Main/High profile L5.0
z MPEG4 SP L0–3/ASP L0–5
z MJPEG/JPEG baseline
Video Encoding Standards
z H.264 Baseline/Main/High profile L5.1
z MJPEG/JPEG baseline
Video Encoding/Decoding
z H.265/H.264&JPEG encoding and decoding of multiple streams:
− 4-channel 4K x 2K (3840 x 2160)@30 fps H.265/H.264 decoding+2x1080p@30 fps H.264 encoding+4-channel 4K x 2K@2 fps JPEG encoding
− 16x1080p@30 fps H.265/H.264 decoding+2x1080p@30 fps H.264 encoding+16x1080p@2 fps JPEG encoding
− 9x1080p@30 fps H.265/H.264 decoding+4K x 2K@30 fps H.264 encoding+9x1080p@2 fps JPEG encoding
− 32x720p@30 fps H.265/H.264 decoding+4x720p@30fps H.264 encoding+32x720p@2 fps JPEG encoding
− 64xD1@30 fps H.265/H.264 decoding+8xD1@30 fps H.264 encoding+64xD1@2 fps JPEG encoding
− 9x720p@30 fps JPEG decoding
GPU
z Integrated Mali-T720 GPU
z OpenGL ES3.1/2.0/1.1
z OpenCL 1.2/1.1/1.0
z Up to 63 MTris/s triangle filling rate
z Double-precision FP64 and anti-aliasing
z Up to 63 MTris/s triangle filling rate
z Double-precision FP64 and anti-aliasing
（2）
相對於TI的8168來說，Hi3536多了H265的解碼，還多了4K*2K的解碼，這些多事TI8168不支持的。不知道后續TI會不會出現更牛逼的解碼器，所以暫時放棄了TI8168的開發，轉而做了Hi3536的開發。相對於穩定性來說，TI8168立足於安防行業好多年，見TI8168的實力多么。可惜的是后面TI沒有繼續推出H265的解決方案，這相對來說有點可惜。Hi3536的ARM cortex A7相對來說比TI8168的Cortex A9弱點，但是存在A17，比A9強。處理各種多媒體業務足矣！目前所擔心的是HI3536是海思剛出的，穩定性尚待考驗！
開發目的：利用海思的解碼器解網絡視頻里，多屏顯示等等功能。附上海思PDF下載地址。
http://www.hisilicon.com/products/digital.html
http://blog.csdn.net/liqinghan/article/details/48195997