what uses a usb 2.0 female to micro usb 3.0 9-pin male otg adapter cable
Nowadays, it's like shooting fish in a barrel to complete projects that involve creating a physical connection between a host controller and several other double-decker-powered devices because of the USB interface.
USB stands for Universal Series Jitney and has since replaced its predecessors (FireWire, RS-232 serial, and fifty-fifty parallel) every bit the primary interface for connecting a host to a device.
Ordinarily, the architecture of a USB system includes a host controller, USB ports, and a wide variety of devices. Too, there are cases where y'all can add together boosted USB network hubs to create a tree connection structure.
Even so, that'due south just the surface of it all.
So, in this commodity, we'll explicate everything about the USB and give different USB examples for your circuits.
Let's brainstorm!
USB Pinout
USB Flash drive
The USB has four shielded wires that work as pins. Two of these wires are for ability supply, while the other two are for differential data signal pairs. Cheque out the table below for the full USB pinout.
| Pin | Name | Cable Color | Description |
| 1 | VCC | Crimson | +5 VDC power supply pivot |
| 2 | D- | White | Data- pin |
| 3 | D+ | Green | USB data cablevision Information+ |
| iv | GND digital ground | Black | Basis pin |
How Does a USB Work?
plugging a USB pen drive on a laptop
Like all connectors, all types of USB connectors have male and female types, making certain yous connect your devices in the right management.
Information technology's essential to make correct USB connections to allow the organisation to follow the required USB protocol. And so, to found a connectedness, USB remote devices characteristic what nosotros telephone call an upstream connection. These remote devices use this upstream connection to connect to a host.
Now, the hosts also have downstream connections that let them to connect to the remote devices.
Furthermore, you can't apply upstream and downstream connections interchangeably. This helps you avert misconnections and makes sure you connect the USB cable but in the right direction.
Information technology also helps yous avoid several issues like illegal loopback connections and connecting a downstream port to another downstream port.
How it really Works
Kickoff, a USB device volition testify its maximum speed by using pull-up resistors to draw the "D+" and "D-" terminals to three.3V. Now, the host or hub will too apply these pull-up resistors to detect when you lot connect a compound device to its port. Thus, without a pull-up resistor, the USB won't notice your connected device or if you have a broken device or broken connector.
So, when y'all plug in an external device for the first time, the host device scans information technology and loads the right commuter version required to run the device. To do this, the host uses a product ID/vendor ID (PID/VID)—which the connected hardware or device supplies. One time the host completes the loading of necessary device drivers, the hardware/device will be ready for use.
Note: USB host controllers accept their specifications. We accept the Universal Host Controller Interface (UHCI), which works for all USB types, the Open up Host Controller Interface (OHCI), which works with USB 1.1, and the Enhanced Host Controller Interface (EHCI), which works with USB ii.0.
USB Connector Types
Originally, the USB cable could only be one of two types, and these two types included "Type A" and "Blazon B". Afterward, we got the USB C type, which boasted a better data transfer speed with a more than robust organisation.
Bank check out the tabular array beneath for the total overview of the different USB types.
Type-A USB Connector Pinout
Type-A USB is the almost popular type of USB connector. Plus, you can find them on host controllers, computers, flash drives, and several other items. As well, you lot can but make downstream connections with the Type-A USB as its sole use is for controllers and hubs.
Flash Bulldoze
Type-A USB connectors are bigger than other connectors and have flat and rectangular shapes. Plus, friction holds this connector in place, making it piece of cake to connect and disconnect. However, using it in areas where your equipment might vibrate isn't a great idea.
Female and Male Pinout Diagram
Source: Wikimedia Commons
The Blazon-A USB has two versions: Male person and female versions. The male version is the plug, while the female version is what nosotros know as the socket or port.
Female person connector versions are what we find on host controllers, while male connector versions are usually on devices like retentivity sticks, keyboards, mice, and other connections to storage devices.
Applications
- Works in most personal computers.
- Too works in television and music systems.
- You lot can also find them on gaming consoles and almost all chargers for mobile portable devices.
Blazon-A USB Pinout
The older versions of the Type-A connector have four pins, while the newer versions have nine pins. Here's a tabular array showing all the pins of the Type-A connector.
Note: all generations of the Type-A USB connector accept pins one to iv while third-generation connectors accept pins five-9.
Type-A USB Pinout Diagram
Source: Wikimedia Eatables
USB-B Pinout
The USB-B is the 2nd connector type that mostly works for connecting peripherals like printers and scanners. Plus, their pinouts have a different arrangement.
Type-B USB Pinout Arrangement
Source: Wikimedia Commons
Information technology has an nigh foursquare shape with a slight bevel at the top end corners of the connector. Also, it uses friction to remain in place when connected.
The Blazon-B USB port is an upstream connector that yous tin only detect on peripheral devices. Thus, about Type-B USB applications require A to B USB cables.
Here's an interesting fact:
Type-B USB canceled out the chances of creating a connection between two host computers. Thus, helping to forestall damages.
Applications
This connector mainly works for peripherals like printers and scanners.
Pinout
Similar the Type-A USB, the older versions of Blazon-B have iv pins, while the newer 3.0 versions have nine pins. Hither'south a table showing all the pins:
Likewise, there is a 2d blazon of Blazon-B connector that has two actress pins:
| 10 | DPWR | N/A | Ability to device |
| 11 | DGND | N/A | Footing DPWR return |
Type-B Pinout Arrangement
Source: Wikimedia Eatables
USB-C Connector
The USB Blazon-C is the USB specification that's slowly replacing the USB-B. It's a tiny 24-pivot reversible plug that works for USB cabling and devices.
Blazon-C USBs tin can serve as connectors for both hosts and devices. Plus, you can find Type-C USBs in most recent mobile devices.
USB Type C Pinout Diagram
Source: Wikimedia Eatables
USB-C Connector Pinout
The Type-C USB has 24 pins which you lot can connect reversibly. Here's a table showing the total listing of pins:
Micro USB Pinout
A smaller connector became necessary equally the technology required smaller USB sizes for many items similar modern mobile phones and sound devices. Thus, the USB Microcontroller was born.
The micro USB has both Blazon-A and Type-B USB versions available, like the 1.0 micro-USB and two.0 micro-USB. However, these versions are smaller, and y'all tin can use them for much thinner lines of equipment.
Additionally, the micro USB is the USB standard and offers better transfer rates from an external source.
Pinouts
Standard older micro USB connectors have v pins, while the less mutual 3.0 version has ten pins. Here's a tabular array showing the pins of the micro USB connector:
The fourth pin manner is what nosotros call the USB on-the-go (OTG). Information technology allows you to switch between the peripheral and host roles on your devices. Information technology's also what enables devices to make up one's mind which will act every bit a power source one time connected. For instance, plugging an android telephone into a laptop. The laptop will charge the phone if you have a charge-only cable, not the phone charging the laptop.
USB A and Micro USB Pinout
Source: Wikimedia Commons
iii.0 Micro USB Pinout
Source: Wikimedia Eatables
Wrapping Upward
It's worth mentioning that sometimes, it'south possible to use USB A to USB A cables to institute connections between a estimator or USB device to another USB device with an A-style female port. So you tin can transfer data between both systems.
USB Hub
However, you shouldn't apply the type A to A cable connection to create connections betwixt two computers or a USB hub and two computers. Why? Well, creating such a connection would mean the cable would receive equal amounts of voltage (5V) from both computers. Thus, connecting both power supplies and causing irreparable damage and other issues. Sometimes, it may even crusade a burn down gamble.
Well, that wraps up this article. Feel free to reach u.s.a. if you lot have whatsoever questions, and nosotros'll be happy to assistance.
Source: https://www.wellpcb.com/usb-pinout.html
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