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Hardware Design of MIPI C-PHY Compatible CSI-2/DSI Rx Interface

Authors
신기웅김영형정동규이용환
Issue Date
2017
Publisher
아이씨티플랫폼학회
Keywords
Interface; Mobile; MIPI(Mobile Industry Processor Interface); C-PHY; CSI-2; DSI; FPGA
Citation
Journal of Platform Technology, v.5, no.4, pp.16 - 26
Journal Title
Journal of Platform Technology
Volume
5
Number
4
Start Page
16
End Page
26
URI
https://scholarworks.bwise.kr/kumoh/handle/2020.sw.kumoh/1111
ISSN
2289-0181
Abstract
In MIPI specification where mobile interfaces are defined, interfaces for camera and display is stated in separately. The usage for camera and display interfaces are individualized into CSI-2 and DSI, respectively. However, boundary between CSI-2 and DSI is not absolute. DSI which is devised originally for display is also used for camera interface in several cases. Therefore, we design hardware that can support both camera and display interfaces. C-PHY is newly released to replace the D-PHY. Comparing with D-PHY, the C-PHY supplies higher throughputs and requires less number of pins. In our design, both C-PHY and D-PHY can be connected. The hardware design was verified in RTL by Modelsim and the verification of the operation was conducted by FPGA implementation on Atrix-7. The implementation result from FPGA shows that our design can support QHD (2,560×1,440) display at 60fps.
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KIM, YOUNG HYUNG
IT융합학과
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