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455 bytes added ,  17:55, 20 June 2022
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<big><big><big><big>'''MIPI Introduction(MIPI 简介)'''</big></big></big></big>
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==背景知识==
 
==背景知识==
 
'''MIPI'''(移动行业处理器接口)是'''Mobile Industry Processor Interface'''的缩写。MIPI是[https://www.mipi.org/about-us MIPI联盟]发起的为移动应用处理器制定的开放标准。
 
'''MIPI'''(移动行业处理器接口)是'''Mobile Industry Processor Interface'''的缩写。MIPI是[https://www.mipi.org/about-us MIPI联盟]发起的为移动应用处理器制定的开放标准。
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==D-PHY电气特性==
 
==D-PHY电气特性==
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VEYE IMAGING的''<u>'''MIPI camera接口兼容D-PHY'''</u>''接口,所以这里仅涉及到D-PHY的电气特性介绍。
 
{| class="wikitable"
 
{| class="wikitable"
 
|'''线路电平'''
 
|'''线路电平'''
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|'''信号电平'''
 
|'''说明'''
 
|'''说明'''
 
|-
 
|-
|[[File:MIPI DPHY line level.png|center|thumb|600x600px|MIPI DPHY line level|alt=]]
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|[[File:MIPI DPHY line level.png|center|thumb|300x300px|MIPI DPHY line level|alt=]]
|MIPI D-PHY线路电平特点:
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|[[File:MIPI DPHY Signaling levels.png|center|thumb|300x300px|MIPI DPHY Signaling levels]]
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|MIPI D-PHY信号电平特点:
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*不关心IC的工作电平,从1.2V-3.3V都可以,具体需要看各厂家接口IC的手册;
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*不关心'''接口IC'''的工作电平,从'''1.2V-3.3V'''都可以,具体需要看各厂家接口IC的手册;
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*HS diff. swing 差分信号|VOD| =(140 min,200 normal,270 max)mV;
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*HS diff. swing 差分信号摆幅典型值是'''200mV''';
*HS common level 共模电压Vcmtx =(150 min,200 normal,250 max)mV;
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*HS diff. 差分信号 '''|VOD|''' =('''140 min,200 normal,270 max''')mV;
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*HS common level 共模电压 '''Vcmtx''' =('''150 min,200 normal,250 max''')mV;
 
*LP(Low-Power)信号,Low-Power signaling level信号电平典型值1.2V;
 
*LP(Low-Power)信号,Low-Power signaling level信号电平典型值1.2V;
*LP(Low-Power)信号,Voh =(1.1 min,1.2 normal,1.3 max)V;
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*LP(Low-Power)信号,'''Voh''' =('''1.1 min,1.2 normal,1.3 max''')V;
*LP(Low-Power)信号,Vol =(-50 min,50 max)mV;
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*LP(Low-Power)信号,'''Vol''' =('''-50 min,50 max''')mV;
|-
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|'''信号电平'''
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|
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|-
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|[[File:MIPI DPHY Signaling levels.png|alt=MIPI DPHY Signaling levels|center|thumb|600x600px|MIPI DPHY Signaling levels]]
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|
   
|}
 
|}
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== D-PHY不同版本最大速率 ==
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* D-PHY 1.0 :1.0 Gbps
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* D-PHY 1.1 :1.5 Gbps
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* D-PHY 1.2 :2.5 Gbps
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* D-PHY 2.0/2.1: 4.5 Gbps
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* D-PHY 3.0 :10-14 Gbps
    
==相关链接==
 
==相关链接==

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