ST3485ECN

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ST3485ECN Application Field and Working Principle

The ST3485ECN is part of STMicroelectronics\' range of box and disk interfaces, receivers, transceivers, and drivers. It is designed to interface with the ST348566OCN and ST348568WCN disk controllers, making it ideal for high-speed data transfer. This article will explain the application fields, features, and workings of the ST3485ECN.

The ST3485ECN is a single-chip transceiver and driver solution that combines a high-speed universal serial bus (USB) serial-to-parallel interface, plus a number of other features such as linear regulation, voltage monitoring, and diagnostic signals into a low-power, cost-effective solution. Its operating voltage range is between 2.4 and 3.6 volts, making it ideal for mobile and embedded applications.

The USB serial-to-parallel interface of the ST3485ECN supports USB-2.0 high-speed data transfer up to 480Mbps and is backward compatible with USB-1.1 and earlier. The driver is compatible with USB-2.0, USB-1.1, and PCI Express host controllers. It is also compliant with the USB-IF standard, making it the ideal solution for USB systems.

The ST3485ECN provides two sets of differential I/O pins, allowing it to drive two independent channels. This makes it well suited for applications such as digital video broadcasting (DVB), digital subscriber line (DSL), and cable modems. It also allows the user to perform data transfer operations at multiple speeds, depending on the data rate of the channel.

The ST3485ECN is also suitable for applications such as telephone, audio and video networks, gateways, and routers. It supports advanced rate adaptive encoding, automatic rate adaptation (ARAI), and echo cancellation. It is also compliant with advanced remote power control (RPC).

Other features of the ST3485ECN include low-voltage differential signaling (LVDS), pulse-width modulation (PWM) control, and current-mode logic (CML) adaptors. The CML adaptors allow for increased data transfer rates and improved signal integrity by converting the incoming serial data to a low-level logic state. This eliminates the need for a separate serializer/deserializer (SERDES).

In addition to its physical interface, the ST3485ECN also provides a number of power management features. It is able to monitor the output voltage, as well as adjust the current and voltage levels when needed. It also features a hardware reset mechanism, allowing the user to reset the device in the case of a system malfunction.

The ST3485ECN is a highly versatile, low-cost solution for a variety of interface, drivers, receivers and transceivers applications. Its USB serial-to-parallel interface allows for fast data transfer rates, while its low-voltage differential signaling and other features make it ideal for complex applications. With its high-speed compatibility, low-power consumption, and advanced power management features, the ST3485ECN is a great solution for embedded and mobile applications.

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