KS8695 View Datasheet(PDF) - Micrel
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KS8695 Datasheet PDF : 4 Pages
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KS8695 Product Brief
Revision 1.07
CENTAUR Integrated Multi-Port Gateway Solutions
The KS8695 “Multi-Port Gateway-on-a-Chip”
delivers a new level of networking integration and
performance for speeding broadband gateway
development. The key components integrated in the
KS8695 include:
• Integrated layer-2 managed switch with five Fast
Ethernet transceivers and patented mixed-signal
low-power technology; five MAC units; a high-speed
non-blocking switch fabric; a dedicated address look-
up engine; an on-chip frame buffer memory and LED
controls. One port is partitioned for WAN interface
with the other 4 ports for LAN access.
• A 185-MIPS ARM 922T processor with memory
management unit (MMU) and 8kB I-cache and
8kB D-cache.
• An independent MAC unit supporting MAC or
PHY mode MII interface for networking expansion.
• On checksum errors and TCP/UDP/IP packet header
checksum generation. The protocol engine applies
to the WAN, LAN and EMAC interfaces.
• DMA engines with burst mode support; Tx and
Rx FIFOs to streamline the data transfers between
WAN and CPU, CPU and LAN, CPU and EMAC.
• Shared programmable 8/16/32-bit data bus and
22-bit address bus with up to 64MB total memory
space for SDRAM, ROM, Flash, SRAM and all
peripheral devices.
• Other peripheral support logic including GPIO,
a watchdog timer, an interrupt controller and a JTAG
debugging interface.
Complete hardware & software reference designs are
available.
The KS8695 represents a new level of total solution
optimized for broadband gateway system development
and renders speedy routing performance & connectivity
interfaces for value-added networking expansions.
Block Diagram
XceleRouter is a trademark of Micrel, Inc.
ARM is a registered trademark of ARM Limited.
Micrel Semiconductor TEL: 1.800.401.9572 FAX: 1.408.474.0159 HTTP:// www.micrel.com
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