MAX208CDW

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The MAX208CDW is a low-power, full-duplex, support-flow-control device that operates as a data transmission link between a standard RS-232-compatible peripheral and a host/accelerator system. The device is suitable for applications such as mechanical equipments, medical equipment, factory automation systems, remote controls, data terminals, instruments and measuring systems.

The MAX208CDW provides a wide range of features designed to suit a variety of interface applications, such as 2-wire or 4-wire half duplex/full duplex serial data transmission with support for flow control. The device has two drivers and two receivers with a high speed interface with data rates up to 460Kbps. The device has an integrated 256-byte FIFO buffer that can support data rates up to 460Kbps.

The device is programmed through a Parallel Peripheral Interface (PPI) with 8-bit parallel data bus, a 16-bit address bus, and a standard CPU interface. The device contains special features including programmable power-saving sleep mode, programmable registers for enhanced features, programmable control for external transceivers, programmable data group selection and hardware interface control. It also includes programmable hardware handshaking, programmable clock signals and programmable data patterns.

The working principle of the device is based on its ability to connect two serial peripherals in a point-to-point link. The device is designed to support both 2-wire and 4-wire full duplex connections, thus allowing it to be used for full duplex communication. The device uses a serial data flow protocol known as the Traveller Protocol (TP), which provides reliable, error-free data flow between two connected serial peripherals. The device supports flow control between the two connected peripherals by using the RTS (Request To Send) and CTS (Clear To Send) pins, as well as the DTR (Data Transfer Ready) and DSR (Data Set Ready) pins. The device also features a programmable receive and transmit interrupt signal for system applications, as well as a data ready signal for enhanced performance.

The device is optimized for low power consumption and is a suitable choice for battery-powered devices. The device is also protected against overvoltage and reverse polarity conditions, thus making it suitable for harsh environments. In addition, the device has a built-in ACQ signal which allows it to be used for in-system programming. The device also features a built-in self-test and a programmable baud rate generator.

In summary, the MAX208CDW is a low-power, full-duplex, support-flow-control device with two drivers and two receivers. The device can be used in a variety of applications, such as mechanical equipments, medical equipment, factory automation systems, remote controls, data terminals, instruments and measuring systems. The device supports both 2-wire and 4-wire full duplex connections and uses the Traveller Protocol (TP) for reliable and error-free data flow. The device has an integrated 256-byte FIFO buffer and features a programmable power-saving sleep mode, programmable registers, programmable control for external transceivers and more. The device is optimized for low power consumption and is protected against overvoltage and reverse polarity conditions, making it suitable for harsh environments.

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