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| PM3386 S/UNI(R)-2xGE Dual Gigabit Ethernet Controller FEATURES * Two port full-duplex Gigabit Ethernet Controller with an industry standard POS-PHY Level 3TM system interface. * Provides direct connection to optics. * Connection to copper Gigabit Ethernet physical layer devices via two GMII interfaces. * Incorporates dual SERDES, compatible to IEEE 802.3 1998 PMA physical layer specification. * Supports dual IEEE 802.3 -1998 GMII/TBI interfaces for connection to copper Gigabit Ethernet physical layer devices. * Provides dual standard IEEE 802.3 Gigabit Ethernet MACs for frame verification. * Provides on-chip data recovery and clock synthesis. * Provides eight unicast exact-match address filters to filter frames based on DA, SA, or VID. * Each address filter can indicate whether to accept or discard based on a match. * Provides 64-group multicast address filter. * Internal 16 kbyte TX and 64 kbyte RX FIFOs to accommodate system latencies. * SATURN(R) compatible interface for Packet-Over-SONET Physical Layer and Link Layer devices Level 3 (POSPHY Level 3 system interface). * Line side loopback for system level diagnostic capability. * 16 bit generic microprocessor interface for device initialization, control, register and per port statistics access. * Minimum frame size 64 bytes. Supports jumbo frames up to 9.6 kbytes. * Supports big endian data formats. * Programmable inter-packet gap (IPG). * Loopback for diagnostic capability through GMAC. * Minimum 58 minutes before rollover. * Provides statistic counters to support SNMP and RMON implementations. POS-PHY LEVEL 3 SYSTEM INTERFACE * Standard OC-48 bandwidth Packet/Cell interface. * Compatible with PMC-Sierra devices supporting POS-PHY Level 3, including: * PM5381 S/UNI(R)-2488 ATM and POS physical layer device. * PM5358 S/UNI(R)-4x622 single channel OC-48c device with integrated analog. * PM7390 S/UNI-MACH-48 multiservice access device for channelized interfaces. * PM5382 S/UNI-16x155 sixteen channel OC-3c framer with integrated analog and POS-PHY Level 3 and UTOPIA Level 3 interface. * POS-PHY Level 3 provides connection to upper layer device at data rates up to 2,400 Mbit/s. FLOW CONTROL * Option to support IEEE 802.3-1998 flow control at each Ethernet port. * Programmable watermarks for full/empty FIFO conditions. * Automatic generation of pause frames based on FIFO fill levels. * Upper layer device can flow control Ethernet ports using side-band or host signaling to cause generation of a Pause frame. * Provides per-port side-band Pause state indication for upstream devices. * Loss-less flow control on all valid frames up to 9.6 kbytes. STATISTICS * 40 bit counters are used to ensure rollover compliance with IEEE 802.3-1998. BLOCK DIAGRAM POS-PHY Level 3 PAUSE [1:0] PAUSED [1:0] RFCLK RENB RDAT[31:0] RMOD[1:0] RPRTY RVAL RSOP REOP RERR RSX MDC MDIO RX_CLK RX_DV RX_ER RXD [7:0] GTX_CLK TX_EN TX_ER TXD [7:0] Ethernet Statistics Enhanced Gigabit MAC Flow Ctrl / Auto-Negotiation Address Filtering Ingress Interface GMII Interface POS PHY Ingress FIFO Gigabit Media Access Controller GIGABIT ETHERNET MAC * Verifies frame integrity (FCS and length checks). * Errored frames can be filtered or passed to a higher layer device. * Automatic Base Page Autonegotiation, extended Autonegotiation (Next Page) supported via host. * Egress Ethernet frame encapsulation (pad to minimum size, add preamble, IFG and CRC generation). * Supports Ethernet 2.0, IEEE 802.3 LLC and IEEE 802.3 SNAP/LLC encoding formats, and VLAN tagged frames. RXD +/- Data Recovery/ Serial to Parallel 8B/10B Encoder/ Decoder Egress Interface DTPA[1:0] STPA PTPA TADR TFCLK TENB TDAT[31:0] TMOD[1:0] TPRTY TSOP TEOP TERR TSX SD CLK125 PLL Clock Multiply TXD +/- Parallel to Serial SERDES PCS MAC POS PHY Egress FIFO ATP[3:0] Microprocessor Interface JTAG PMD_SEL [1:0] RSTB ALE CSB WDB RDB TRSTB TMS INTB A [11:0] PMC-1991223 (R4) PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS' INTERNAL USE D [15:0] TDO TCK TDI (c) Copyright PMC-Sierra, Inc. 2001 Preliminary PM3386 S/UNI(R)-2xGE Dual Gigabit Ethernet Controller * Supports point-to-point POS-PHY Level 3 applications. * 32 bit data at 104 MHz. * In-band addressing for dual port PHY support. * Industrial temperature range (-40 C to +85 C). * Provides a standard 5 signal P1149.1 JTAG test port for boundary scan board test purposes. Edge and Core Routers. Multi-Service Switches. SONET/SDH Transport Equipment. Ethernet over SONET uplinks. Gigabit Ethernet ports for Optical Cross Connects. * Gigabit Ethernet Access IADs. * Gigabit Ethernet Test Equipment. * * * * * PACKAGING * Packaged in a 352-pin UBGA. * Implemented in low power 1.8 V CMOS technology with 3.3 V compatible I/O. APPLICATIONS * POS-PHY Level 3 provides consistent system interface for multiple PHY types. TYPICAL APPLICATIONS SAMPLE LINE CARDS LINKED WITH POS-PHY LEVEL 3 INTERFACE Gigabit Ethernet Twisted Pair Mag POS-PHY Level 3 Bus Line Card # 1 Upper Layer Device(s) Scheduler Switch Fabric TXD +/Optical Transceiver RXD +/PM3386 S/UNI-2xGE Copper GE PHY Classification Forwarding GMII Gigabit Ethernet Switch Fabric Device Line Card # 2 Upper Layer Device(s) Scheduler TXD +/- OC-48 Optical Transceiver RXD +/- PM5381 S/UNI-2488 Classification Forwarding Switch Fabric Device OC-12 Optical Transceiver Line Card # n Upper Layer Device(s) Scheduler OC-12 Optical Transceiver PM5380 S/UNI-4x622 Optical Transceiver OC-12 Optical Transceiver Classification Forwarding OC-12 ETHERNET OVER SONET S/UNI 2xGE SFF Optics Serdes Layer 2 GMAC Line/ (x2) I/F FPGA I/FFPGA UL3/ EOS Function S/UNI 2488 Serdes Path O/H SFF Optics Section OPTIONAL RAM PL3 UL3/PP Slave L3 SLAVE APS UL3/PL3 PL3 32-Bit 32Master EOS MASTER FIFO UL3/PL3 PL3 32-Bit 32-Bit Master PL3 Slave Section SONET Line/ Line/ Section RAM UL3/PP SFF L3 Optics SLAVE Statistics RAM I/F APS Optional Ram Head Office: PMC-Sierra, Inc. 8555 Baxter Place Burnaby, B.C. V5A 4V7 Canada Tel: 604.415.6000 Fax: 604.415.6200 To order documentation, send email to: document@pmc-sierra.com or contact the head office, Attn: Document Coordinator All product documentation is available on our web site at: http://www.pmc-sierra.com For corporate information, send email to: info@pmc-sierra.com PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS' INTERNAL USE PMC-1991223 (R4) (c) Copyright PMC-Sierra, Inc. 2001. All rights reserved. SATURN and S/UNI are registered trademarks and POS-PHY Level 3 is a trademark of PMC-Sierra, Inc. |
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