海康是生产监控摄像头和硬盘录像机的，海思是提供机器里芯片的，海思属于华为的。
http://www.hisilicon.com/en/Products/ProductList/Surveillance
Hi3516A ： Professional HD IP Camera SoC
Booting from the SPI NOR flash, SPI Nand Flash or NAND flash
Hi3518E V200 :Economical HD IP Camera SoC
Booting from the SPI NOR flash, SPI NAND flash, or eMMC
MP=main profile?
| video encoding |
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| Hi3516A |
Cortex A7@600MHz |
500w |
H264 BP/MP/HP |
CBR/VBR |
G.711 G.726 |
Linux-3.4 |
| Hi3518E V200 |
ARM926@540 MHz |
200w |
H264 |
CBR/VBR |
G.711 G.726 |
Linux 3.4 |
| Hi3516E V100 |
ARM926@800 MH |
Linux-3.18 |
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| Hi3516C V200 |
ARM926@600 MHz |
200w |
Linux 3.4 |
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| Hi3519 V101 |
A7@800 MHz |
1600w |
Linux-3.18 |
Hi3516D is commonly called the Lite version of Hi3516A.
Hi3516E V100 :Professional HD IP Camera SoC
Hi3516C V200 :Economical HD IP Camera SoC
Hi3519 V101 :Professional HD IP Camera SoC
Booting from the SPI NOR flash, SPI Nand Flash or NAND flash
ADC analog-to-digital converter
AES advanced encryption standard
AF automatic focus
DVR digital video recorder
NVR network video recorder
FPU floating point unit 浮点运算单元
GPIO general-purpose input/output
ISP image signal processor
PWM pulse width modulation 脉宽调制?
SPI serial peripheral interface 串行外设接口
eMMC embedded multimedia card
UART universal asynchronous receiver transmitter
Kirin 麒麟
在半导体芯片行业，企业的模式主要分三种： IDM、Fabless，Foundry 。
1、有的公司，从设计，到制造、封装测试以及投向消费市场一条龙全包，被称为IDM(Integrated Design and Manufacture)公司，例如英特尔Intel。
2、有的公司，只做设计这块，是没有fab（工厂）的，通常就叫做Fabless（无工厂），例如ARM、AMD、高通、华为海思等。