KSZ8852HLE Two-Port 10/100 Mb/s Ethernet Switch with 8 or 16-Bit Host Interface Revision 1.1 The KSZ8852 product is built upon Micrels industry- General Description leading Ethernet technology, with features designed to The KSZ8852 product line consists of industrial capable offload host processing and streamline your overall design: Ethernet switches, providing integrated communication for Wire-speed Ethernet switching fabric with extensive a range of Industrial Ethernet and general Ethernet filtering applications. Two integrated 10/100BASE-TX PHY transceivers, The KSZ8852 product enables distributed, daisy-chained featuring the industrys lowest power consumption topologies preferred for industrial Ethernet networks. Full-featured QoS support Conventional centralized (i.e., star-wired) topologies are also supported for fault tolerant arrangements. Flexible management options that support common standard interfaces A flexible 8 or 16-bit general bus interface is provided for A robust assortment of power management features interfacing to an external host processor. including energy-efficient Ethernet (EEE) have been The wire-speed, store-and-forward switching fabric designed in to satisfy energy-efficient environments. provides a full complement of QoS and congestion control Datasheets and support documentation are available on features optimized for real-time Ethernet. Micrels web site at: www.micrel.com. KSZ8852 Top Level Architecture LinkMD is a registered trademark of Micrel, Inc. ETHERSYNCH is a trademark of Micrel, Inc. Magic Packet is a registered trademark of Advanced Micro Devices, Inc. Micrel Inc. 2180 Fortune Drive San Jose, CA 95131 USA tel +1 (408) 944-0800 fax + 1 (408) 474-1000 Micrel, Inc. KSZ8852HLE Functional Diagram KSZ8852HLE Functional Diagram Revision 1.1 August 31, 2015 2