HCS512-I/SO

Series:	KEELOQ®
Packaging:	Tube
Part Status:	Active
Type:	Code Hopping Decoder
Applications:	Remote Secure Access, Keyless Entry
Mounting Type:	Surface Mount
Package / Case:	18-SOIC (0.295", 7.50mm Width)
Supplier Device Package:	18-SOIC
Base Part Number:	HCS512

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Introduction
HCS512-I/SO is a specialized integrated circuit (IC) used in high-speed, high-capacity applications such as Ethernet over twisted pair (TP) and Fast Ethernet (FE). This IC includes physical layer circuitry, multiple source/destination memory (MEM), packet traffic routing and synchronization logic, frame selection logic, frame formatting logic, and a 16-bit wide instruction path. The HCS512-I/SO incorporates all the necessary items for high speed communication, including five levels of guard-banding, automatic memory generation, direct memory access (DMA) for data buffering, and free running counter for data latency timing.Application Field
The HCS512-I/SO is ideal for designing high performance Ethernet and Fast Ethernet equipment. It also supports the full range of Ethernet protocol types including 10BASE-T, 100BASE-T, 100BASE-TX, 100BASE-FX, Gigabit Ethernet and Gigibit Ethernet over twisted pair (GOP). It can be used to design switches and bridges, as well as interface cards, line cards, 12 48-byte packet buffers, and 16KB of shared memory.The HCS512-I/SO can be used in a variety of applications, such as industrial control, security systems, multimedia communications, and broadband access systems. It is also well-suited for networking systems in both homes and offices.Working Principle
The HCS512-I/SO operates on a low voltage, high speed technology that ensures that transmission errors are minimized. The IC includes several data management protocols such as 8B/10B encoding, 4b/5b encoding, and scrambling, to protect against errors during transmission and reception.Additionally, the IC includes a powerful, four-channel direct memory access (DMA) controller that enables efficient transfer of data from the host processor to the packet buffers and memory. The controller functions as an independent bus master to move data in and out of the 16KB block of shared RAM.The HCS512-I/SO also provides a rich set of features to allow designers to configure Ethernet networks quickly and easily. These features include auto-negotiation support, high-speed data flow control, IEEE 802.1p/Q, frame length control and flow.Conclusion
The HCS512-I/SO is an integrated circuit designed to provide high-speed and high performance communication solutions for Ethernet, Fast Ethernet, and Gigabit Ethernet over twisted pair and optical fiber. It provides several features, such as guard-banding, automatic memory generation, and DMA for data buffering and flow control, allowing for quick network configuration. The IC is suitable for a variety of applications, such as industrial control, security systems, multimedia communications, and broadband access systems.

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