USB3320C-EZK USB Transceiver

Technical Specifications of USB3320C-EZK

Datasheet	USB3320C-EZK datasheet
Category	Integrated Circuits (ICs)
Family	Interface – Drivers, Receivers, Transceivers
Manufacturer	Microchip Technology
Series	flexPWR?
Packaging	Tray
Part Status	Active
Type	Transceiver
Protocol	USB 2.0
Number of Drivers/Receivers	1/1
Duplex	Half
Receiver Hysteresis	50mV
Data Rate	–
Voltage – Supply	1.8 V ~ 3.3 V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	32-VFQFN Exposed Pad
Supplier Device Package	32-QFN (5×5)

The Microchip USB3320C-EZK  is a Hi-Speed USB 2.0 Transceiver that offers a programmable physical layer (PHY) solution. It is an excellent match for a wide variety of products and is suitable for use in several different situations. The user is given the ability to choose the frequency of the reference clock. The USB3320 has a built-in oscillator that may function with either a quartz crystal or a ceramic resonator, depending on the user’s preference. An alternative would be to have an external clock oscillator drive the crystal input. When utilizing the ALPI Input Clock mode, a further option is to use an external clock with a frequency of 60 MHz. The USB3320 is the go-to transceiver because it has several cutting-edge features that reduce the number of electrical bill of material (eBOM) parts and the amount of space they take up on the printed circuit board (PCB).

Because of its exceptional resistance to electrostatic discharge (ESD), the typical application does not require additional ESD protection devices. The inbuilt Over-Voltage Protection (OVP) circuit of the USB3320 protects against up to 30V. The USB3320 avoids the expense of incorporating a dedicated crystal reference into its design by instead relying on a reference clock provided by the Link.

In addition, the inbuilt USB switch makes it possible to use the product’s distinctive features while just utilizing a single USB port. It is possible to use the USB3320 as a Hi-Speed USB Host, Device, or On-the-Go (OTG) transceiver because it satisfies all necessary electrical criteria. The USB3320 is equipped with USB UART mode, USB Audio mode, and USB signaling capabilities, in addition to its support for USB signaling.

As a means of establishing a connection between the USB Transceiver and the Link, the USB3320 implements the UTMI+ Low Pin Interface (ULPI), a recognized industry standard. To support a USB session with only 12 pins, ULPI employs a system of  status byte transfers and in-band signaling between the Link and the transceiver. The “wrapper-less” technology developed by Microchip is put to use by the USB3320 so that it can implement the ULPI interface. This technique, known as “wrapper-less,” makes it possible for the transceiver to accomplish a transmit and receive time with low latency. A low latency transceiver manufactured by Microchip makes it possible to repurpose an existing UTMI Link by connecting it to a ULPI via a UTMI bridge. Existing and tested UTMI Link IP can be repurposed by incorporating a bridge within the application-specific integrated circuit (ASIC).

What is USB3320C-EZK

Based on Microchip’s tried and tested ULPI interface, the highly integrated and fully featured high-speed USB 2.0 ULPI Transceiver, known as the USB3320C-EZK, is available now. This high-speed USB 2.0 transceiver offers a solution for configuring the physical layer (PHY) and is an excellent fit for many different products. The user is given the ability to choose the frequency of the reference clock.

The USB3320 has a built-in oscillator that may function with a quartz crystal or a ceramic resonator, depending on the user’s preference. An alternative would be to have an external clock oscillator drive the crystal input. When utilizing the ULPI input clock mode, a further option is the utilization of an external clock with a frequency of 60 MHz. The USB3320 is the go-to transceiver because it has several cutting-edge features that reduce the number of electrical bill of material (eBOM) parts and the amount of space they take up on the printed circuit board (PCB). Because of its exceptional resistance to electrostatic discharge (ESD), the typical application does not require additional ESD protection devices. The integrated over-voltage protection circuit (OVP) in the USB3320 shields the device from voltages as high as 30V.

USB3320C-EZK Features

• The oscillator integrated into the USB3320 can operate with either a quartz crystal or a ceramic resonator, depending on the individual’s choice and the application’s requirements.
• The Overvoltage Protection (OVP) circuit integrated into the USB3320 offers protection against up to 30V. It is equipped with this feature.
• In addition to its support for USB signaling, the B3320 features USB UART mode, USB Audio mode, and USB signaling capabilities. It also has support for USB signaling.
• The USB3320 implements the UTMI+ Low Pin Interface (ULPI) to establish a connection between the USB Transceiver and the Link Integrated USB Switch. This switch enables a connection through a single USB port by providing switching functions for battery charging, stereo and mono/mic audio, and USB Full-Speed/Low-Speed data transfer.
• It complies with USB-IF Battery Charging 1.2 standards and has RapidCharge AnywhereTM, which increases the amount of charging current that can be delivered through a USB port by a factor of three compared to conventional solutions. 1.5 Amps of charging current per USB host or dedicated charger and support for Dedicated (DCP), Charging (CDP), and Standard (SDP) Downstream Ports; Single Power Supply Operation with Integrated 1.8V, 3.3V, and 100mV Dropout Voltage; 1.5 Amp charging through USB host or dedicated charger;
• Because it fits all of the necessary electrical standards, the USB3320 can be used as a Hi-Speed USB Host, Device, or On-the-Go (OTG) transmitter. This makes it feasible for you to use it in any of these capacities.
• The user is given the option to select the frequency at which the reference clock operates.
• The normal use does not require additional electrostatic discharge (ESD) protective devices. Because of its remarkable resistance to the release of electrostatic energy (ESD)

USB3320C-EZK Applications

The USB3340 is the optimal solution for any application that requires the board space, power, and interface pins to be kept to a minimum. This includes any scenario in which a Hi-Speed USB connection is sought.

The USB3320 is an excellent choice when used for:

• Cell Phones
• Portable Media Players
• Entertainment Devices
• PDAs
• MP3 Players
• GPS Personal Navigation
• Scanners
• Video Record/Playback Systems
• IP and Video Phones
• External Hard Drives
• Digital Still and Video Cameras
• Printers
• Set Top Boxes
• Gaming Consoles

Conclusion

We hope that this information has been of use to you in gaining a better understanding of the device and how it works. Feel free to ask any questions about this article or other content on our website by posting them in the comment sections below.

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