DS21352G

Series:	--
Packaging:	Tray
Part Status:	Obsolete
Function:	Single-Chip Transceiver
Interface:	HDLC, T1
Number of Circuits:	1
Voltage - Supply:	3.14 V ~ 3.47 V
Current - Supply:	75mA
Operating Temperature:	0°C ~ 70°C
Mounting Type:	Surface Mount
Package / Case:	100-LFBGA, CSPBGA
Supplier Device Package:	100-CSBGA (10x10)
Includes:	DSX-1 and CSU Line Build-Out Generator, HDLC Controller, In-Band Loop Code Generator and Detector
Base Part Number:	DS21352

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DS21352G Application Field and Working Principle
The DS21352G is an advanced Gigabit Ethernet transceiver designed for use in both 10BASE-T/100BASE-TX/1000BASE-T networks. It is designed to support the physical layer functions of IEEE 802.3 Ethernet systems and to meet auto-negotiation and Ethernet PHY standards. The DS21352G features a fully integrated multi-rate signaling and auto-negotiation system, making the device capable of reliable high-speed operation over both copper and fiber optic media. Furthermore, the DS21352G includes a simple serial interface for communication with an Ethernet processor or host, minimizing the interface circuitry and keeping system cost low. In this article, we will explore the application field and working principles of the DS21352G.
Applications
The DS21352G can be used in a wide variety of application fields such as; Local Area Networks (LANs), Wide Area Networks (WANs), data centers, metropolitan ethernet networks (MANs), enterprise networks and consumer electronics. Additionally, the DS21352G can be used in an Arrow-Drone powered Unmanned Aerial Vehicle (UAV) or in the networking and storage of remote sensing applications. Moreover, the device has applications in surveillance, home entertainment and so on. The benefits of using the DS21352G are its ability to provide reliable, low-cost and high-speed communication over long distances and its flexibility. The device is flexible enough to be used in various networking environments as it is capable of supporting different types of media, such as fiber optics and Ethernet.
Working Principles
The working principle of the DS21352G is the same as the traditional Ethernet physical layer transceiver. The device is responsible for encoding and decoding of the signal between the Ethernet host processor (NIC) and the media it is connected to. The DS21352G contains four essential sub components; a loopback detector, a broadcast generator, a MAC driver and a physical layer interface.The loopback detector is responsible for verifying the integrity of the link by detecting when the sent and received signals are the same. The broadcast generator sends out pre-defined Ethernet packets periodically which can be issued from the MAC address associated to the device. The MAC driver serves as an interface between the Ethernet host processor and the media and is responsible for operating the device and for processing the data that is sent and received across the media. Lastly, the physical layer interface is responsible for encoding and decoding the signals that are sent and received through the media. The architecture of the DS21352G device is optimized for Ethernet-based communication, and it supports a maximum data rate of 1000 Mbps. Furthermore, the device is equipped with a media independent interface (MII) which is used to configure the device, monitor its status and transmit/receive data frames to and from the MAC. The device includes an on-chip buffer memory that enables it to store frames that are received over the media, thereby enabling the host processor to access them when needed.Conclusion
All in all, the DS21352G is a versatile Gigabit Ethernet transceiver that can be used to support both copper and fiber-based media. It is capable of providing reliable, high-speed communication over long distances and is compatible with a wide variety of application fields. In addition, the device contains a MAC driver, a loopback detector, a broadcast generator and a physical layer interface that are responsible for encrypted data transmission and ensuring a secure connection between the host processor and the media.

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