Display driver board with multiple TYPE-C full-function interfaces
AssigneeShenzhen Paramount Technology Co., Ltd
InventorJie Li
Life of this patent
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Abstract
The present invention discloses a display driver board with multiple TYPE-C full-function interfaces, including a first TYPE-C interface and a second TYPE-C interface, where the two TYPE-C interfaces are connected to a first connection device, a second connection device, a PD power control circuit, a protocol chip, a display signal processing circuit, and a USB HUB chip, respectively; the PD power control circuit is connected to a system power supply and the protocol chip; and the protocol chip is connected to forward/reverse insertion control signal ends of the first and second SWITCH chips, respectively.
Claims5
A display driver board with multiple TYPE-C full-function interfaces, comprising a first TYPE-C interface and a second TYPE-C interface, wherein signal input ends of the first TYPE-C interface and the second TYPE-C interface are connected to signal output ends of a first connection device and a second connection device, respectively;
- power ends of the first TYPE-C interface and the second TYPE-C interface are bidirectionally connected to a PD power control circuit, and the PD power control circuit is bidirectionally connected to a system power supply through a DC-DC converter;
- a control signal input end of the PD power control circuit is connected to a control signal output end of a protocol chip, and a CC signal connection end of the protocol chip is connected to CC signal connection ends of the first TYPE-C interface and the second TYPE-C interface through a communication control circuit, respectively;
- USB2.0 signal ends of the first TYPE-C interface and the second TYPE-C interface are bidirectionally connected to a signal input end of a USB port switch, and a signal output end of the USB port switch is connected to a plurality of USB interfaces through a USB HUB chip;
- output signal ends of the first TYPE-C interface and the second TYPE-C interface are connected to signal input ends of a first SWITCH chip and a second SWITCH chip, respectively;
- a signal output end of the first SWITCH chip is connected to a first display signal processing circuit and a signal output end of the second SWITCH chip is connected to a second display signal processing circuit;
- a forward/reverse insertion control signal output end of the protocol chip is connected to forward/reverse insertion control signal input ends of the first SWITCH chip and the second SWITCH chip, respectively;
- and a selection control signal output end of the protocol chip is connected to a signal input end of the USB port switch.
Dependencies are inferred from the claim text.