The MAX3421EEHJ+T from Maxim Integrated is a versatile and powerful USB peripheral/host controller with an SPI interface, designed to enable USB connectivity in a wide range of applications. This highly integrated device is capable of functioning as a USB host or peripheral, providing designers with flexibility and control in their system design.

Key Features

• USB 2.0 Compliant: The controller complies with the USB 2.0 specification, ensuring compatibility with a broad range of USB devices.
• Host/Peripheral Capability: It can operate as a USB host or USB peripheral, allowing for dynamic switching depending on the application requirements.
• SPI Interface: Features an SPI interface for communication with microcontrollers, enabling easy integration into existing designs.
• Integrated SIE: The Serial Interface Engine (SIE) handles low-level USB protocol details, simplifying software development.
• Programmable USB Descriptors: Allows customization of USB descriptors to match specific device requirements.

Applications

The MAX3421EEHJ+T is ideal for a variety of applications where USB functionality is required. These include:

• Embedded Systems
• Point-of-Sale Terminals
• Industrial Control
• Medical Devices
• Consumer Electronics

Technical Specifications

The device is housed in a 32-pin TQFP package and operates over the extended temperature range of -40°C to +85°C. It supports full-speed (12Mbps) and low-speed (1.5Mbps) operation, with a voltage range of 3.3V to 5.5V. The MAX3421EEHJ+T also includes an on-chip 3.3V regulator, which simplifies the power supply design.

Ordering Information

The MAX3421EEHJ+T is available in tape and reel packaging, indicated by the '+T' suffix, making it suitable for automated assembly processes. This device is a reliable solution for designers looking to add USB functionality with minimal design effort and flexibility in their applications.