DS2181AQ+

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The DS2181AQ+ is an integrated Universal Asynchronous Receiver/Transmitter (UART) and an Integrated Advanced Power Management (APM) sub-system. It is designed to be used in embedded system and telecommunications applications. The DS2181AQ+ is the latest addition to the DS2181 family of Advanced Interface Solutions chips. It is the first and only device with integrated automatic power management, which reduces idle power consumption by up to 95%. The DS2181AQ+ also provides advanced software features, including data-rate control, 8-bit register, and 128-bit error detection.

Overview

The DS2181AQ+ is a low power and cost effective solution that provides unprecedented performance for universal asynchronous receivers (UARTs) and transceivers (UARTs). It provides integrated automatic power management (APM) to lower power consumption in the system, an advanced software feature that is not available in any other product. The device also includes 128-bit error detection and data-rate control for high-speed communication. In addition, it offers 128-bit register to control the transfer of data and address buses. The DS2181AQ+ is also available in a 48-pin QFN package, making it suitable for densely populated applications and also for high-end applications.

Application Fields

The DS2181AQ+ is ideal for applications requiring low power consumption, high performance, and low cost. It is used in a wide range of applications such as embedded systems, personal computers, set-top boxes, networking, data communications and automotive. It is particularly suitable for applications in the automotive industry, where low power consumption and high data rates are essential. The DS2181AQ+ supports multiple asynchronous serial communication protocols such as Small Computer System Interface (SCSI), Universal Serial Bus (USB), Serial Peripheral Interface (SPI), Ethernet and Asynchronous Transfer Mode (ATM), allowing it to replace multiple, separate interface devices.

Working Principle

The DS2181AQ+ provides integrated power management functionality. This functionality is integrated in the device and when it is enabled, the device automatically enters a reduced power state when idle. The integrated power management contains multiple low power modes of operation. The low power modes can be configured for low power operation with idle times from 10 μs to 1 ms. The UART core embedded in the DS2181AQ+ supports 8-bit, 9-bit and 10-bit data formats and is designed to be compliant with the industry standard ECP protocol.The DS2181AQ+ also features an advanced software features including data rate control, 8-bit register, and 128-bit error detection. The data rate control feature allows the device to be configured for communication speeds up to 115.2kbps. The 128-bit error detection ensures that data is received accurately, while the 8-bit register gives additional flexibility in data transfer. The DS2181AQ+ also supports flow control, which is essential for high-speed data communication between devices.In addition, the DS2181AQ+ is compatible with a broad range of operating systems, from the x86 to ARM architectures. This makes the device suitable for embedded applications requiring integration with operating systems.

Conclusion

The DS2181AQ+ is an ideal solution for applications in the embedded and communications space. It is a low power, cost-effective and feature-rich Universal Asynchronous Receiver/Transceiver (UART) and Advanced Power Management (APM) sub-system. The DS2181AQ+ is designed to provide high performance and low power in a compact package and is suitable for a wide range of applications. It contains advanced software features, including data rate control, 8-bit register, and 128-bit error detection, to ensure accurate data transfers. Furthermore, the DS2181AQ+ supports multiple asynchronous serial communication protocols for flexibility in data transfers, thus replacing multiple, separate interface devices. The device is a perfect fit for automotive and embedded system applications, providing an ideal solution for applications requiring superior performance and low power.

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