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CS8952T Datasheet(PDF) 1 Page - Cirrus Logic |
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CS8952T Datasheet(HTML) 1 Page - Cirrus Logic |
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1 / 86 page  Copyright Cirrus Logic, Inc. 2001 (All Rights Reserved) TX_EN TX_ER/TXD4 TXD[3:0] TX_CLK MDC MII_IRQ MDIO CRS COL RX_ER/RXD4 RX_DV RXD[3:0] RX_CLK RX_EN TX+/- RX+/- 10/100 4B/5B Decoder Descrambler Manchester Encoder Scrambler MLT-3 Encoder 10BaseT Filter Slew Rate Control 10/100 4B/5B Encoder Adaptive Eq. & Baseline Wander Compensation 10BaseT Filter LED Drivers 100BaseT Slicer 10BaseT Slicer MLT-3 Decoder Manchester Decoder Auto Negotiation Timing Recovery MII Control/Status Registers Link Management CS8952T 10BaseT/100Base-X Transceiver LED1 LED2 LED3 LED4 LED5 CS8952T Advanced Product Databook CrystalLAN™ 100BASE-X and 10BASE-T Transceiver FEATURES ! Single-Chip IEEE 802.3 Physical Interface IC for 100BASE-TX and 10BASE-T ! Adaptive Equalizer provides Extended Length Opera- tion with Superior Noise Immunity and NEXT Margin ! Extremely Low Transmit Jitter (<400 ps) ! Low Common Mode Noise on TX Driver for Reduced EMI Problems ! Integrated RX and TX Filters for 10BASE-T ! Compensation for Back-to-Back “Killer Packets” ! Digital Interfaces Supported — Media Independent Interface (MII) for 100BASE-X and 10BASE-T — Repeater 5-bit code-group interface (100BASE-X) — 10BASE-T Serial Interface ! Register Set Compatible with DP83840A ! IEEE 802.3 Auto-Negotiation with Next Page Support ! Six LED drivers (LNK,COL,FDX, TX,RX, and SPD) ! Low power (135 mA Typical) CMOS design operates on a single 5 V supply DESCRIPTION The CS8952T uses CMOS technology to deliver a high-per- formance, low-cost 100BASE-X/10BASE-T Physical Layer (PHY) line interface. It makes use of an adaptive equalizer op- timized for noise and near end crosstalk (NEXT) immunity to extend receiver operation to cable lengths exceeding 160 m. In addition, the transmit circuitry has been designed to pro- vide extremely low transmit jitter (<400 ps) for improved link partner performance. Transmit driver common mode noise has been minimized to reduce EMI for simplified FCC certification. The CS8952T incorporates a standard Media Independent In- terface (MII) for easy connection to a variety of 10 and 100 Mb/s Media Access Controllers (MACs). ORDERING INFORMATION CS8952T-CQ 0 to 70 °C 100-pin TQFP CS8952T-IQ -40 to 85 °C 100-pin TQFP CDB8952 Evaluation Board DS206TPP2 OCT ‘01 CIRRUS LOGIC ADVANCED PRODUCT DATABOOK |
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