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MIPI CSI-2可以在MIPI Alliance的两个物理层中的任何一个上实施:MIPI C-PHY v2.0或MIPI D-PHY v2.5。当前应用较广的物理层实现D-PHY居多。
MIPI CSI-2可以在MIPI Alliance的两个物理层中的任何一个上实施:MIPI C-PHY v2.0或MIPI D-PHY v2.5。当前应用较广的物理层实现D-PHY居多。
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== D-PHY电气特性 ==
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==D-PHY电气特性==
{| class="wikitable"
{| class="wikitable"
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|线路电平
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|'''线路电平'''
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|说明
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|'''说明'''
|-
|-
|[[File:MIPI DPHY line level.png|center|thumb|800x800px|MIPI DPHY line level]]
|[[File:MIPI DPHY line level.png|center|thumb|800x800px|MIPI DPHY line level]]
|MIPI D-PHY线路电平特点:
|MIPI D-PHY线路电平特点:
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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| =(140min,200normal,270max)mV;
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*HS diff. swing 差分信号|VOD| =(140min,200normal,270max)mV;
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* HS common level 共模电压Vcmtx =(150min,200normal,250max)mV;
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*HS common level 共模电压Vcmtx =(150min,200normal,250max)mV;
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* LP(Low-Power)信号,Low-Power signaling level信号电平典型值1.2V;
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*LP(Low-Power)信号,Low-Power signaling level信号电平典型值1.2V;
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* LP(Low-Power)信号,Voh <big>≧</big> 1.1V;
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*LP(Low-Power)信号,Voh <big>≧</big> 1.1V;
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* LP(Low-Power)信号,Vih <big>≦</big> 50mV;
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*LP(Low-Power)信号,Vih <big>≦</big> 50mV;
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|-
|
|
|
|
|}
|}