CYUSB3326-88LTXI

Application Specific

The CYUSB3326-88LTXI is a 32-bit USB device controller solution designed for consumer, industrial, medical, and automotive markets. It is based on the industry-leading CY7C65613-88LTXI design, a USB 2.0 High-Speed PHY with an integrated SIE and controller that provides up to 480Mbps of data transfer. CYUSB3326-88LTXI integrates a large number of features that make it suitable for a wide range of applications. Its features include Low Speed and Full Speed support, 8 endpoint buffers and 2 bidirectional interfaces.

Application Field and Working Principle

The CYUSB3326-88LTXI is mainly used in consumer, industrial, medical, and automotive markets. Its most common application includes providing data connectivity for products such as digital cameras, keyboards, mice, memory sticks, and smart phones. The chip also has the ability to control end-point firmware updating and a lack of bulk transfer components.

The key components of the CYUSB3326-88LTXI are the eight endpoints, which are data structures stored in hardware consisting of buffer-like areas,handshake controls, status registers, and interrupt vectors. The eightendpoints are further divided into four in and four out USB data ports. They can be either Bulk, Control, or Isochronous endpoints.

At the core of the CYUSB3326-88LTXI is the CPU or processor core. This processor core, which is connected to the SIE, is responsible for reading and writing instructions to and from the endpoints. The CPU core also contains direct access to control registers and a programmable interrupt controller (PIC). This PIC is used to process interrupt requests generated by the SIE, the Host Controller Interface (HCI), or the USB device.

The CYUSB3326-88LTXI also includes an on-chip PHY. This PHY provides the interface between the CPU core and the USB bus. It is responsible for providing the signaling, detection, and processing of data that is transferred between the CPU core and the USB bus. The CYUSB3326-88LTXI also includes an analog interface for handling analog audio/video signals.

The CYUSB3326-88LTXI is a power efficient device, as it is designed to reduce energy consumption. It implements low power state modes and provides numerous low power options including port disable and low power suspend options. Furthermore, the CYUSB3326-88LTXI has a Sleep Mode, which allows the clock to be completely turned off while the system is idle.

In conclusion, the CYUSB3326-88LTXI is a highly integrated USB 2.0 device controller solution that is suitable for consumer, industrial, medical, and automotive markets. It also provides numerous features that make it suitable for a wide range of applications. Its power efficiency along with its low cost makes it ideal for use in entry-level market segment products.