Patent ID: 11947481
Assignee: HONOR DEVICE CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 5:
6. The terminal according to claim 1, wherein the interface chip configures the working mode of the CC pin according to a control signal provided by the processor; and
the interface chip comprises a control circuit, a pull-up power supply, a pull-up switch, a pull-up resistor, a pull-down switch, and a pull-down resistor, wherein
one end of the pull-up resistor is connected to the pull-up power supply, the other end of the pull-up resistor is connected to a first electrode of the pull-up switch, and a second electrode of the pull-up switch is connected to the CC pin;
one end of the pull-down resistor is grounded, the other end of the pull-down resistor is connected to a first electrode of the pull-down switch, and a second electrode of the pull-down switch is connected to the CC pin; and
the control circuit is separately connected to a control electrode of the pull-up switch and that of the pull-down switch, and the control circuit is configured to control on and off of the pull-up switch and the pull-down switch according to a control signal of the processor.