MAX3421EEHJ - USB Peripheral/Host Controller with SPI Interface

The MAX3421EEHJ, produced by Maxim Integrated, is a highly versatile USB peripheral/host controller integrated circuit. It is designed to enable USB capabilities in a wide range of electronic devices and systems. With its Serial Peripheral Interface (SPI), it offers a convenient connection to most microcontrollers, making it an ideal choice for adding USB functionality to embedded systems.

This advanced controller chip supports both full-speed USB (12Mbps) and low-speed USB (1.5Mbps) operations. It can function as a USB host or peripheral, providing a high degree of flexibility for developers. The MAX3421EEHJ is also equipped with an on-chip transceiver and Serial Interface Engine (SIE), which simplifies the implementation of USB protocols and reduces the workload on the host processor.

Featuring a range of built-in functionalities, the MAX3421EEHJ includes a programmable USB connect and disconnect, an interrupt request output, and support for multiple power management modes. These features enable developers to create energy-efficient designs and maintain control over USB connections. Additionally, the device offers extensive interrupt masking capabilities, allowing for customizable response to various USB events.

The MAX3421EEHJ is housed in a compact 32-pin TQFP package, making it suitable for space-constrained applications. Its operating temperature range of -40°C to +85°C ensures reliable performance in a variety of environments.

Applications for the MAX3421EEHJ are diverse and include portable devices, docking stations, point-of-sale systems, and industrial controls. Its ability to handle both host and peripheral USB functions makes it a versatile choice for designers looking to incorporate USB connectivity into their products.

For developers seeking to integrate the MAX3421EEHJ into their designs, Maxim Integrated provides comprehensive technical documentation, including datasheets, application notes, and design guides. This support helps to streamline the development process and bring products to market faster.