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ICS1893 Datasheet(PDF) 1 Page - Integrated Circuit Systems |
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ICS1893 Datasheet(HTML) 1 Page - Integrated Circuit Systems |
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1 / 152 page  ICS1893 Rev C 6/6/00 June, 2000 ICS reserves the right to make changes in the device data identified in this publication without further notice. ICS advises its customers to obtain the latest version of all device data to verify that any information being relied upon by the customer is current and accurate. Integrated Circuit Systems, Inc. 3.3-V 10Base-T/100Base-TX Integrated PHYceiver ™ ICS1893 Document Type: Data Sheet Document Stage: Release Features • Supports category 5 cables with attenuation in excess of 24 dB at 100 MHz across a temperature range from -5 °to +85 °C • DSP-based baseline wander correction to virtually eliminate killer packets across temperature range of from -5 °to +85°C • Low-power, 0.35-micron CMOS (typically 400 mW) • Single 3.3-V power supply. • Single-chip, fully integrated PHY provides PCS, PMA, PMD, and AUTONEG sublayers of IEEE standard • 10Base-T and 100Base-TX IEEE 802.3 compliant • Fully integrated, DSP-based PMD includes: – Adaptive equalization and baseline wander correction – Transmit wave shaping and stream cipher scrambler – MLT-3 encoder and NRZ/NRZI encoder • Highly configurable design supports: – Node, repeater, and switch applications – Managed and unmanaged applications – 10M or 100M half- and full-duplex modes – Parallel detection – Auto-negotiation, with Next Page capabilities • MAC/Repeater Interface can be configured as: – 10M or 100M Media Independent Interface – 100M Symbol Interface (bypasses the PCS) – 10M 7-wire Serial Interface • Small Footprint 64-pin Thin Quad Flat Pack (TQFP) General The ICS1893 is a low-power, physical-layer device (PHY) that supports the ISO/IEC 10Base-T and 100Base-TX Carrier-Sense Multiple Access/Collision Detection (CSMA/CD) Ethernet standards. The ICS1893 architecture is based on the ICS1892. The ICS1893 supports managed or unmanaged node, repeater, and switch applications. The ICS1893 incorporates digital signal processing (DSP) in its Physical Medium Dependent (PMD) sublayer. As a result, it can transmit and receive data on unshielded twisted-pair (UTP) category 5 cables with attenuation in excess of 24 dB at 100 MHz. With this ICS-patented technology, the ICS1893 can virtually eliminate errors from killer packets. The ICS1893 provides a Serial Management Interface for exchanging command and status information with a Station Management (STA) entity. The ICS1893 Media Dependent Interface (MDI) can be configured to provide either half- or full-duplex operation at data rates of 10 MHz or 100 MHz. The MDI configuration can be established manually (with input pins or control register settings) or automatically (using th e Auto-Negotiation features). When the ICS189 3 Auto-Negotiation sublayer is enabled, it exchanges technology capability data with its remote link partner and automatically selects the highest-performance operating mode they have in common. Clock Power LEDs and PHY Address Twisted- Pair Interface to Magnetics Modules and RJ45 Connector Integrated Switch MII Extended Register Set Interface MUX ICS1893 Block Diagram PCS • Frame • CRS/COL Detection • Parallel to Serial • 4B/5B Auto- Negotiation 10Base-T 100Base-T TP_PMD • MLT-3 • Stream Cipher • Adaptive Equalizer • Baseline Wander Correction PMA • Clock Recovery • Link Monitor • Signal Detection • Error Detection Low-Jitter Clock Synthesizer Configuration and Status 10/100 MII or Alternate MAC/Repeater Interface MII Serial Management Interface |
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