- 专利标题： INTERFACE CIRCUIT AND INTERFACE COMMUNICATION METHOD AND DEVICE THEREOF
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申请号： EP20877873.8申请日： 2020-10-12
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公开(公告)号： EP4030250A1公开(公告)日： 2022-07-20
- 发明人: CHEN, Huaming , LU, Honghua
- 申请人： Autel Intelligent Technology Corp., Ltd.
- 申请人地址： CN Shenzhen, Guangdong 518055 7th & 8th & 10th Floor, Building B1, Zhiyuan No.1001, Xueyuan Road, Xili Street Nanshan
- 代理机构： Gulde & Partner
- 优先权： CN201910996120 20191018
- 国际公布： WO2021073480 20210422
- 主分类号： G05B23/02
- IPC分类号： G05B23/02
摘要：
This disclosure relates to the technical field of automobiles and software and discloses an interface circuit and a method and apparatus for interface communication thereof. In the interface circuit, a micro-control unit has an output interface connected to a first conversion unit connected to a USB HOST interface and a USB SLAVE interface and a second conversion unit connected to an HDMI interface, and is configured to control the first conversion unit to be set in a HOST mode to communicate with the USB HOST interface when receiving a trigger signal from the USB HOST interface, the first conversion unit to be set in an SLAVE mode to communicate with the USB SLAVE interface when receiving a trigger signal from the USB SLAVE interface, and the second conversion unit to output the TMDS signal to communicate with the HDMI interface when receiving a trigger signal from the HDMI interface.
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