MT90870AG

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MT90870AG is a chip specifically developed by Mediatek for communication interface applications. It supports high-speed application interfaces such as 16/32-bit FIFO, 32-bit parallel port, 10/100 Ethernet MAC and 2.5/5 Gb/s ETH PHY. It is widely used in high-speed communication interface, such as xDSL, WiFi, and Ethernet, for data transfer and packet processing.

The application field of MT90870AG is based on its working principle. MT90870AG’s Wi-Fi/Ethernet PHY provides a direct connection between network equipment and the microcontroller, allowing for extremely high speed data transfer via a single chip. The features of multi-port customization, automatic data flow control, and autonegotiation between different speeds networks make MT90870AG the ideal choice for high-performance communication sensors, including bridges, routers and access points.

The working principle of MT90870AG is based on the support of multiple high-speed communication protocols. It combines the Baseband, Media Access Controller (MAC) and PHY layers of the International Organization for Standardization (ISO) Open Systems Interconnect (OSI) Layer model. It supports data rates up to 2.5 Gb/s and is compliant with standards such as IEEE 802.3ab and IEEE 802.11 a/b/g.

To support these high-speed protocols, MT90870AG has several components. It has an emergency interrupt system for error handling, a DMA engine for efficient data transfer, and EEPROM hardware for data storage. In addition, MT90870AG also features a single-clock mode, which enables the CPU to send and receive data from the communication interfaces without the need for external components. It also contains a low power mode which reduces power consumption when the communication interface is idle.

MT90870AG also offers power saving features that allow users to tailor the communication speed for their application. It supports selectable speeds, ranging from 10 Mbps to 2.5 Gbps, and allows users to choose the most suitable data rate for their application. Additionally, it is compliant with the IEEE 802.3af power management standard and can be used with power saving switches or routers.

The combination of high-speed communication protocols and power saving features makes MT90870AG the perfect choice for applications such as home automation, industrial control, and communication services. With its high performance and low power consumption, MT90870AG provides an ideal platform for these applications.

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