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What does the type-c interface refer to? This problem may be often seen in our daily study or work. I hope you can gain a lot from this question. The following is the reference content that the editor brings to you, let's take a look at it!

Type-C is a new form of USB interface (USB interface also includes Type-An and Type-B), and it is a hardware interface specification of Universal Serial bus (USB). It comes out with the latest USB 3.1standard. Released by USB-IF in August 2014, it is a new interface developed by USB Standardization Organization to solve the disadvantages of USB interface such as non-uniform physical interface specification and one-way transmission of electric energy. It integrates charging, display, data transmission and other functions.

The biggest feature of Type-C interface is that it supports insertion in both positive and negative directions, which formally solves the worldwide problem that "USB will never be plugged in".

Technical characteristics

Five main features of Type-C make USB Type-C a flexible and extensible interface.

1. Power supply

The default 5V power supply of the USB Type-C interface is backward compatible with the previous USB interface. Moreover, the new USBType-C interface contains four pins dedicated to power supply and grounding. The USB Power supply Specification (USB Power Delivery Specification) enables the USBType-C interface to support a voltage of up to 20V and a current of 5A.

2. Symmetrical connection

The USB Type-C interface is symmetrical, so it can be plugged and unplugged and the cable direction can be positive or negative. The liberation of the plug and pull direction has solved the main troubles brought by the previous interface. The type of previous interface indicates the functionality of the ancillary device (the Type-An interface is for the host and the Type-B interface is for external devices). The USBType-C interface can be connected to either end, and the function is defined by the connected hardware. The interfaces at both ends of the USBType-C cable are the same, so the insertion and unplugging of the cable is simplified.

3. Bandwidth

USB Type-C supports USB 2.0, USB3.1 Genl (SuperSpeed USB 5Gbps), and USB 3.1Gen2 (SuperSpeed USB10Gbps) data transfer rates. USB 2.0 and USB 3.1 are defined by separate specifications, respectively. SuperSpeed USB differential signal pairs are assigned on both sides of the interface, so a set of SuperSpeed USB signal transmission connections are used when plugged into the interface in either direction.

4. Channel configuration

The USB Type-C interface contains 2 channel configuration (Channel Configuration) signal pins (CC1&CC2) for functional negotiation. The above signal determines the insertion direction of the interface and is used to negotiate the power supply function, alternative mode and peripheral mode on the interface.

5. Non-USB signal transmission

The USB Type-C interface supports a variety of OEM product customization modes to extend device functionality. Signal redistribution is achieved through negotiation on the CC channel. The interface can enter two modes, the peripheral mode and the alternative mode. To enter the peripheral mode, a simple logical check is performed on the CC channel to determine which peripheral mode is required. To enter alternative mode, biphasic symbol coding (Biphase Mark Code,BMC) is used for two-way communication on the CC channel to set up the link correctly. During this negotiation process, the devices at both ends need to agree on the redistribution of the signal before making any changes. All USB Type-C interfaces are required to be used as USB-compatible interfaces in non-alternative mode or non-peripheral mode.

Advantages:

The characteristics of TYPE-C hardware interface are obvious, which mainly include the following points:

(1) support positive and anti-symmetrical plugging to solve the problem that anti-plugging can not be inserted in practical applications.

(2) the interface is thin, which can support lighter and thinner devices, which can make the design of portable devices thinner and smaller; (3) support higher power transmission, up to 100 watts, and support more high-power load devices.

(4) single-port and dual-port TYPE-C are supported, and the application is flexible.

(5) two-way power transmission is supported, both power transmission and power receiving are possible.

Thank you for reading! After reading the above, do you have a general understanding of what the type-c interface refers to? I hope the content of the article will be helpful to all of you. If you want to know more about the relevant articles, you are welcome to follow the industry information channel.

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