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| PM8372 PBC 4x2G Preview 4-Port FC/GE Retimer and FC-AL Port Bypass Controller GENERAL * Supports 4 Fibre Channel Physical Interfaces at 1.0625 or 2.125 Gbit/s per Fibre Channel - Physical Interface (FC-PI) or 4 Gigabit Ethernet Retimers at 1.25 Gbit/s per IEEE 802.3z. * Each port supports FC 1G or 2G rate detection/auto-selection. * Supports Arbitrated Loop and Retimer configuration. * Each port is independently selectable to perform retimer, reclocker or bypass-path function. * Non-blocking crossconnect supports protection switching, broadcasting and multicasting. * Automatic selection of retimer, reclocker or bypass-path function to minimize latency and jitter when a disk is bypassed. * Per-port receive monitoring for loss of signal, error rate, and link level violations. * Supports single-ended or differential 106.25 MHz reference clock REFCLK for Fibre Channel applications or 125 Mhz reference clock for Gigabit Ethernet applications. TEST AND CONTROL * Supports optional 2-pin serial management interface using selectable Two-Wire Interface (TWI) or MDC/MDIO protocol for configuration and diagnostic access. * For normal mode of operation, a management interface is not required. * Digital Loss of Link (DLOLB) detect outputs for monitoring individual or multiple links. DLOLB can be programmed to indicate excessive 8B/10B code error rate, loss of synchronization, loss of signal, CRC32 errors, or comma density. * Interrupt output to flag changes in bypass state and DLOLB error conditions. * Supports built-in self-test (BIST) via internal Fibre Channel pattern generation and checking. * External control pins can be overwritten by registers. HIGH-SPEED INTERFACE * High-speed outputs with selectable preemphasis per port to counteract dielectric losses and allow maximum reach on printed circuit boards. * Selectable receive input equalization for improved signal integrity. * Minimized board footprint and improved signal integrity achieved because: * No external components are required to interface the high-speed signals to optics, coax, or serial backplanes using the internal AC coupling capacitors and terminating resistors. * Receive input termination of 100 or 150 differential is selectable. * Source output impedance of 100 or 150 differential is programmable. BLOCK DIAGRAM TDOP[2] TDON[2] RDIP[1] RDIN[1] 10 2 2 10 SERDES/ Reclocker Tx Control Rx Retimer/ Monitor Loopback/ Failover Cross Connect Rx Retimer/ Monitor Tx Control 2 10 SERDES/ Reclocker 2 RDIP[2] RDIN[2] TDOP[3] TDON[3] 10 TDOP[1] TDON[1] RDIP[0] RDIN[0] 10 2 2 10 SERDES/ Reclocker Tx Control Rx Retimer/ Monitor Rx Retimer/ Monitor Tx Control 2 10 SERDES/ Reclocker 2 RDIP[3] RDIN[3] TDOP[0] TDON[0] 10 TCK TMS TDI TDO TRSTB Pattern Generator/ Comparator PMC-2021698 Issue 2 PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS' INTERNAL USE RECEQUALIZ[1:0] PREEMPH[1:0] RECRET_SEL BYPASSB[3:0] RET_LPBK RET_MODE FC_GE_RET_SEL HALF_RATE AUTO_RATE_SEL REFCLK_S REFCLK_P JTAG CDRU Impedance Control Two Wire Interface RPRES REFCLK_N CLK_SEL EXTCAP TX100/ 150[3:0] RX100/ 150[3:0] MDC_SCL MDIO_SDA DVPRTAD[4:0] RESETB TWISEL Control Block DLOLB PORT_DLOLB[3:0] INTRB OENB TRUST_MODE MON_BYP_PORT DLOLBYP_MSK (c) Copyright PMC-Sierra, Inc. 2003. All rights reserved. PM8372 PBC 4x2G 4-Port FC/GE Retimer and FC-AL Port Bypass Controller * Supports internal serial loop back modes for each port for testing and debugging. * Provides a standard 5-signal IEEE 1149.1 JTAG test port for boundary scan board testing purposes. APPLICATIONS * * * * * * * * FC-AL Nodes. RAID Storage Systems. JBOD Storage Systems. MBOD Storage Systems. SBOD Storage Systems. Fibre Channel Hubs. 1.0625/2.125 Gbit/s Backplanes. Gigabit Ethernet Retimer. PHYSICAL * 0.18 CMOS, 1.8 V and 3.3 V supply. * Small 15 mm x 15 mm footprint, 196-pin CABGA with 1 mm ball pitch. * Ultra-low operating power of 1.1 W typical with all 4 channels active at 2.125 G. EXAMPLE APPLICATIONS MBOD Storage System Application 17 Disk Shelf for 16 Disk Shelf California Design Center Storage Bypass FC Port Zone 1 Bypass FC Port Disk 0 * * * PBC for Loop PBC CardCard A A 1.0625 Gbit/s or 2.125 Gbit/s FC Link Optics Bypass FC Port Bypass FC Port Disk 4 Zone 1 2 PBC Card for Loop B Bypass FC Port Bypass FC Port 1.0625 Gbit/s or 2.125 Gbit/s FC Link Optics Disk 0 * * * PBC-4x2G FC Port FC Port PBC-18x2G FC Port Bypass PBC-18x2G FC Port Bypass Bypass FC Port FC Port PBC-4x2G PM8372 PM8368 Bypass FC Port Disk 3 Zone 1 3 PM8368 PM8372 FC Port Bypass Bypass FC Port FC Port Bypass Bypass FC Port FC Port Bypass Disk 0 * * * Bypass FC Port FC Port Bypass Bypass FC Port Disk 6 7 17 Disk Shelf for Colorado Design Center Storage PBC Card for Loop A Bypass FC Port Zone 1 Bypass FC Port Disk 0 * * * PBC Card for Loop B Bypass FC Port Bypass FC Port Disk 6 Zone 2 PBC-4x2G FC Port PBC-18x2G Bypass PBC-18x2G Bypass FC Port FC Port PBC-4x2G PM8372 PM8368 FC Port Disk 0 * * * PM8368 PM8372 Bypass FC Port Bypass Disk 9 FC Port Additional Disk Racks Additional Disk Racks Gigabit Ethernet Retimer Application Dual Channel Gigabit Ethernet Line Card with Bi-Directional Retiming GE Optical Interface GE Optical Interface E/O Interface PBC 4x2G E/O Interface PM8372 GE ASIC PBC 4x2G PM8372 Backplane Connector Head Office: PMC-Sierra, Inc. 8555 Baxter Place Burnaby, B.C. V5A 4V7 Canada Tel: 1.604.415.6000 Fax: 1.604.415.6200 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 PMC-2021698 (v2) For a complete list of PMC-Sierra's trademarks, see our web site at http://www.pmc-sierra.com/legal/. Other product and company names mentioned herein may be the trademarks of their respective owners. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS' INTERNAL USE |
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