Data cable to usb: What is a USB Data Cable?

Sep 11, 2023 alexxlab

What is a USB Data Cable?

The USB data cable is used for the connection and communication of the computer and external devices. It can also be used for the charging of the phone and the external connection. It is popular for transmitting data and charging.

USB data cable description

USB data cable is one of the hardware devices that we must use for our daily use. Although the USB data cable is small, it is indispensable. The mobile phone that lacks the data cable will not work properly, which will bring a lot of trouble to consumers. The USB data cable has greatly increased the ease of use of the device, making the computer more easily and more public.

USB is the most common external bus standard on the PC field. It standardizes the connection and communication of the computer and external devices. The USB data cable supports the PnP (Plug in Plug) and hot-plug functions. With the rapid development of computer hardware, USB’s application increases the speed of data transmission between external devices. The increased speed means that users can use more efficient external devices. For example, you can use a USB 2.0 scanner to scan a 4M picture within only 0.1 seconds.

Devices that support USB protocols according to different interfaces and data cables include mouse, keyboard, printer, scanner, camera, flash drive, MP3 machine, mobile phone, digital camera, mobile hard disk, external light software, USB network card, ADSL MODEM, Cable MODEM, and other electronic products.

What is USB?

USB (Universal Serial Bus) is an external bus structure for connecting the periphery of the applicable USB to the host. It is mainly used in medium-speed and low-speed peripherals. The USB data cable has four lines. Among them, two lines are responsible for transmitting 5V power supplies. They can directly power some peripherals. The additional two lines are the data line, and the data line is single work. The data rate throughout the system is predetermined, either high or low.

If you see a USB flag map on an interface or connection, you can determine that it is a USB device undoubtedly. And when the user connects the USB device to the computer while the machine is connected to the computer, the operating system immediately detects the USB device and automatically installs the corresponding driver.

Basic Framework for USB

A computer has several USB main controllers and root hubs, and the main controller is responsible for data processing, while the root gathering provides an interface and path between the main controller and the device. USB is a host-device structure system, and the picture below is the basic framework of USB.

Simply, that is, various devices can be connected to the host via the USB data cable, or to connect to the host via a USB Dock.

USB interface definition

A USB interface is a common PC interface with only 4 lines. Red, white, green, and black is the standard wiring colors, corresponding to 1, 2, 3, 4 pins.

The definition of four lines is 1-power 2-data 3-data 4-power. And the general arrangement is: red, white, green and black from left to right.

USB interface definition

Definition:

Red -USB power -VCC, Power, 5V, 5VSB

White-OSB data channel (negative) -Data-, USBD-, PD-, USBDT +

Green-OSB data channel (positive) -data +, USBD +, PD +, USBDT +

Black – ground wire-Gnd, Ground

Note: don’t reverse the positive and negative ends, otherwise you will burn the USB device or the computer’s South Bridge chip.

Main Specifications for USB Data Cable

The application of the USB data cable is very common in electronic devices such as smartphones, tablets, and cameras. Although many functions of different USB data cables are similar, their shape and size are different.

USB protocol overview

USB TYPE-A data cable

The USB-A data cable is extremely common. It can be found at one end of each USB data cable, which is used to connect various devices (such as smartphones, cameras, keyboards, etc.) to the computer. Of course, it has a charging function.

USB types

USB TYPE-B data cable

The USB Type-B data cable is not common like other USB connectors because the USB Type-B connector is mainly used to connect the printer and scanner to the computer. The USB TYPE-B data cable has a square shape with a tilted outer angle. Although they are still using them today, the USB B data cable is gradually eliminated.

Mini USB data cable

The mini USB data cable is suitable for various equipment standards. However, it has been greatly eliminated and replaced by a micro USB data cable. Mini USB data lines are smaller than ordinary USB, but it is even bigger than the subsequent USB.

Micro USB data cable

Mini USB data cables are very small. We often use them in thinner electronic devices. Almost all manufacturers worldwide, except Apple, have adopted mini USB.

USB types

USB TYPE-C data cable

The USB Type-C data cable is the latest USB port. It provides a faster data transfer rate than the previous USB version. The advantage of the USB TYPE-C data cable is that it is reversible. Unlike the previous product, it can be inserted up or down. The USB TYPE-C has become a new standard for mobile devices.

USB data cable transmission mode

USB mouse, keyboard, camera, and other devices have different requirements for hosting. Therefore, USB’s transmission mode can be four types:

1. Synchronously transfer. The bandwidth, determined interval time is determined. And fixed transfer rates are used in instant applications that require constant data transmission rates, such as the network telephone application that performs instant calls.

2. Interrupt transmission. The amount of data transmitted is small. But these data need to be handled in time to achieve real-time effects, mouse, and keyboards belong to this type.

3. Control transmission. This mode is usually smaller, transmitted between the computer and the USB peripheral endpoint,

4. Batch transmission. It is applied to a large number of transmission and receiving data. Its transmission speed is slow and the delay obvious, but it is transmitted correctly. Printers and scanners are these types.

Differences between USB2.0 and USB3.0

On November 18, 2008, Intel, Microsoft, HP, Texas Instruments, NEC, ST-NXP, and other industry giants officially promoted USB3.0. USB 3.0 standards offer ten times the transfer speed and ten times the energy efficiency of USB 2.0, making them ideal for PC peripherals and consumer gadgets. The theoretical bandwidth of the USB3.0 interface is 5Gbps, and the theoretical bandwidth of USB2.0 is 480Mbps. All high-speed USB 2.0 devices will have a better performance to get USB3.0.

Main difference

1. The data bandwidth of USB3.0 is ten times that of USB 2.0, which can reach 5Gb s (480MB/s). And its synchronous transmission bandwidth can reach 384MB/s, which is one of the main differences between USB3.0 and 2.0.

2. Low power consumption. The power consumption of USB3.0 is approximately 25% lower than USB2. 0 when data transfer rates are 20MB/s.

3. USB3.0 is more energy-efficient than USB 2.0.

4. USB3.0 can provide greater power (2.5W to 4.5W) through the cable

5. USB3.0 is compatible. That’s to say, it supports USB 2.0 devices, but USB2.0 cannot support USB3.0.

Development trend

The USB cable constantly improves power means that people can use it to charge the laptop. Recently,

Intel and allies are developing USB Power Transmission (USB PD) technology. USB 2.0 can transmit 2.5-watt electric power, USB 3.0 is 4.5 watts, USB BC cable can transmit 7.5 watts of electricity, and USB PD can support 10 watts of mobile phone equipment, 18 watts of tablet equipment, and the vast majority of external, 36 Watt’s thin client equipment, larger peripheral, 60 watts of notebooks, Docking Stations, and 100 watts of workstations.

The introduction of USB PD simplifies the charging of devices such as smartphones and tablets. As Intel Engineer Sanders and Dunstein said, “BBy supporting devices such as tablets, laptops, it makes the range of charging becomes wider. ”

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Spring (Cleaning) is in the air

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Clear out the clutter

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Spring cleaning doesn’t stop there. There’s so much you can do to reset your home:

Improve air quality and eliminate pollen and pet dander with a new air purifier and an air freshener with a scent you love.
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DEPPA Data Cable USB – USB Type-C, 1.2m, Prime Line 1, 7223

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Data cable for charging your smartphone
Suitable for: Type-C devices: Galaxy Note7, Xperia XZ/XZs, Xperia X Compact, Galaxy A7 (2017), Galaxy A5 (2017), Galaxy A3 ( 2017), Xperia XA1, Xperia XA1 Ultra, Xperia XZ Premium, Galaxy S8, Galaxy S8+, Galaxy Note8, P10, P10 Plus, Mi6, Honor 8 Pro, Galaxy A8 (2018), Galaxy A8+ (2018), Honor 9, Galaxy S9, Galaxy S9+, P20 Lite, P20, P20 Pro, Honor 10, Galaxy Note9, Galaxy A9 (2018), Mate 20, Mate 20 Pro, MediaPad M5 10, Galaxy S10e, Galaxy A30 (2019), Galaxy A50 ( 2019), Huawei P30 Pro, Huawei P30 Lite, Huawei P30, Samsung Galaxy A51, Samsung Galaxy A71 (2020), Samsung Galaxy Note 10 Lite, Samsung Galaxy A20S (2019), Samsung Galaxy A30S (2019), Samsung Galaxy A50 (2019 ), Xiaomi Redmi Note 8T, Xiaomi Redmi Note 8 pr
Data cable USB – USB Type-C, nylon, 1m, silver, Prime Line

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Characteristics

Type: USB-A – USB-C
Cable length: 1. 2 m
Protocol: USB 2.0
Operating voltage: 4.8-5.5V
Transfer rate: up to 480 Mbps
Material: nylon
Compatibility: devices with connector USB Type-C

See specifications

Compatibility

Type-C devices: Galaxy Note7, Xperia XZ/XZs, Xperia X Compact, Galaxy A7 (2017), Galaxy A5 (2017), Galaxy A3 (2017), Xperia XA1, Xperia XA1 Ultra, Xperia XZ Premium, Galaxy S8, Galaxy S8+, Galaxy Note8, P10, P10 Plus, Mi6, Honor 8 Pro, Galaxy A8 (2018), Galaxy A8+ (2018), Honor 9, Galaxy S9, Galaxy S9+, P20 Lite, P20, P20 Pro, Honor 10, Galaxy Note9, Galaxy A9 (2018), Mate 20, Mate 20 Pro, MediaPad M5 10, Galaxy S10e, Galaxy A30 (2019), Galaxy A50 ( 2019), Huawei P30 Pro, Huawei P30 Lite, Huawei P30, Samsung Galaxy A51, Samsung Galaxy A71 (2020), Samsung Galaxy Note 10 Lite, Samsung Galaxy A20S (2019), Samsung Galaxy A30S (2019), Samsung Galaxy A50 (2019 ), Xiaomi Redmi Note 8T, Xiaomi Redmi Note 8 pr

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Data cable – 1 pc.

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Type: USB-A – USB-C
Cable length: 1.2 m
Protocol: USB 2.0
Operating voltage: 4.8-5.5V
Transfer rate: up to 480 Mbps
Material: nylon
Compatibility: devices with a USB Type connector -C

Material
nylon
Color
silver

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Data cable – 1 pc.

By creating an order, you accept the contract for the supply of goods

What is a data cable and what is it for?

Data cable (data cable or data-cable) is a cable with a specific interface, which is used to transfer data between various digital devices, one of which is usually a personal computer. The need to synchronize data regularly arises for each user, which means that the need for a data cable, with which you can establish the interaction of various electronic devices, arises regularly.

What type of data cables are available and which one should I choose?

Basically, there are three types of data cables:

Cables connected to the COM port.
USB cables with COM converter.
USB cables (without converter).

Let’s look at cable models and find out how they differ from each other and which cable is preferable in a particular case.

Cables made using a COM port.

Cables using COM port (i.e. nine-pin connector to which a mouse was connected in older models of computers, the name comes from the English word communications, i.e. connection) contains a level converter chip. The fact is that COM port and cable connector of the phone use the same signals (in terms of logic), namely TX, RX, RTS, CTS, DSR, DTR, DCD. However, in the phone they have low levels (about 3.6V, i.e. the same as the voltage of the phone’s battery), and in the computer they have levels from -15V to +15V. Of course, such high levels cannot be applied directly to the phone, since it will not work and may even fail. Therefore, a level converter is installed inside the cable, which also provides the inversion necessary for the port to work. Cables of this type are used with Siemens, Samsung, Nokia and some other phones. It should be kept in mind that COM port compared to USB has a number of disadvantages, such as lack of power at the connector (which is why cables are sometimes even supplied with batteries), low speed, etc. The fact is that COM-port was developed at the dawn of the development of computer technology and is a rather old data transfer standard. However, for many phones, such as the Siemens 35 and 55 series, a COM cable is the only solution for connecting to a computer.

if COM cable to modify a little, then through it you can, using special programs, update the phone’s firmware and turn on / off some functions. For some people, changing firmware becomes an exciting experience, despite the fact that this is a dangerous business and, if handled ineptly, can damage the phone. Please note that such programs are called utility programs and are not intended for the end user. There are no utilities on the discs that come with our cables, so by using our cable you put your phone at absolutely no risk.

Cables made with USB converters.

This type of cable is the most clumsy and at the same time the most expensive. Let’s explain: the fact is that such cables have an emulator chip of COM port , i. e., you plug the cable into USB port and install the driver. The driver is for the cable itself, and not for the phone, since this cable is already an independent device. When the driver is installed, the emulator chip begins to simulate (or, as computer scientists say, emulate) the work of COM port . That is, there is a double conversion of information: the phone thinks that it is working with COM port , and the software installed on the computer, in turn, also thinks that it is communicating with COM port , but this port is virtual, it is created by the emulator chip drivers. The result is a Zaporozhets with a motor from Mercedes, or vice versa, as you like.

It is difficult to say who had the idea to produce such cables and most importantly, why and who needs it at all. Working with such a cable is extremely inconvenient, because, as a rule, proprietary programs are designed to work with real COM port , not virtual. Moreover, branded cables are not manufactured by based on the emulator. The cables with the emulator are mostly Chinese. But the paradox is that it is cables of this type that are usually littered with shop windows. What else to say: such a cable is useful only to the owner of a laptop, where there is no COM port . Although I always recommend to everyone in the case of a laptop to purchase phones that work with USB directly. (read about it below).

Most often, cables based on the USB converter are returned to the store, as their installation requires some knowledge and time, and most people do not have either one or the other, or both at the same time.

Straight USB cables (without converter).

This type of cable is the most preferred, but, unfortunately, it is not supported by all phones. The most striking example is the Motorola V150, V180, V220, C330, C350, C450, C550, C650, etc. series phones. This cable does not contain any chips. It directly connects the phone to the USB port.