PM7830 bric pmc-2051672, issue 1 ? copyright pmc-sierra, inc. 2005 all rights reserved. proprietary and confidential to pmc-sierra, inc. and for it s customers? internal use. baseband radio interface controller product overview the PM7830 baseband to radio inte rface controller (bric) is a full- featured 6-port termination device that fully supports the cpri specifi- cation for wireless base station inte rconnection. the bric provides integrated rate-adaptive serdes links along with cpri framing, mapping, switching, and combining functions. when used in conjunction with the 2-port pm7832 bric-2, the bric and bric-2 can be used to flexibly create scalable cpri-compliant distributed architectures. product highlights ? operates in all of the following baseband-to-rf interconnect topologies: ? local interconnect u sing a central combiner/distributor topology. ? local interconnect using a full mesh topology. ? remote interconnect using a poin t-to-point (p2p) star topology. ? remote interconnect using a tree and branch topology. ? remote interconnect using a chain topology. ? remote interconnect using a ring topology. ? supports up to 6 serial channels ru nning independently at cpri line rates from 614.4 mbit/s to 2457. 6 mbit/s with 8b/10b-encoded data. ? supports up to 6 parallel radio bus interfaces (rbis) for output of user data. ? supports cpri start-up sequence an d link-rate auto-negotiation for both rec and re operating modes. ? supports traffic switching at the cpri antenna carrier (axc) level. ? supports iq summing. ? supports multiplexing and te rmination of control and synchronization sub-channels: ? up to 6 ethernet fast c&m channels. ? up to 6 hdlc slow c&m channels. ? measures round-trip delay on each cpri link with an accuracy of 1 ns: ? provides programmable delay insertion to meet cpri delay calibration requirements. ? supports serial line protection switching. ? supports configuration, control, mo nitoring and test capability on a per-channel basis. link #5 link #4 link #3 link #2 link #1 synchronization & hdlc processor (schp) hdlc microprocessor interface (mpif) mpif sync link #0 rate adaptive serdes radio frame mapper (rmap) radio frame demapper (rdmp) ctrl. & mgmt. processor (cmp) 6 x rmii/smii 6 x rx serial link data clock synthesis unit (csu) 6 x tx serial link data 6 x parallel radio bus interface (rbi) jtag jtag delay calculator crossbar with summing (xcsum) block diagram advance product brief
PM7830 bric baseband ra dio interface controller corporate head office: pmc-sierra, inc. mission towers one 3975 freedom circle santa clara, ca, 95054, u.s.a. tel: 1.408.239.8000 fax: 1.408. 492.1157 pmc-2051672 (a1) ? copyright pmc- sierra, inc. 2005. all rights reserved. for a complete list of pmc-sierra?s trademarks , visit www.pmc-sierra.com/legal/. othe r product and company names mentioned herein may be the trademarks of their respective owners. for corporate information, send email to: info@pmc-sierra.com. all product documentation is available on our web site at: www.pmc-sierra.com. operations head office: pmc-sierra, inc. 100-2700 production way burnaby, bc v5a 4x1 canada tel: 1.604.415.6000 fax: 1.604.415.6200 interfaces ? line side high-speed serial outputs supporting simultaneous multiple cpri line rates using a single reference clock input. ? system side parallel radio bus in terface (rbi) supporting parallel output of either: ? direct cpri frame payload. ? unmapped iq data to/fro m cpri frame payload. ? 6-port rmii/smii ethernet inte rface for accessing fast c&m channels. ? multi-channel hdlc serial in terface for accessing slow c&m channels across all links. ? 16-bit microprocessor interface comp atible with both intel-like and freescale-like processors. benefits ? provides all necessary functions for implementing cpri-based chain, ring, point-to-point architectures, and more. ? hitless protection switching, iq summing, axc switching & multicast functions enable single-devi ce central switch/combiner architectures. ? software -compatible bric and bric -2 allow complete cpri solutions to be realized quickly and expanded as needed. ? enables application-specific performance monitoring & oam functions using in-band ethernet /hdlc control & management sub- channels. ? applicable for umts, cdma, wimax solutions and beyond. ? industry's most complete and low- risk solution wi th reuse from pm8358 quadphy 10gx serdes an d pm7831 bric-fp cpri framer. applications two of the many possible archit ectural implementations using the bric and bric-2 are shown below: ? central combiner-based cpri archit ecture where the bric is used as a termination and switching device for the interconnect of bric-2- based rec and re cpri endpoints. ? chain-based cpri archit ecture where the bric is used to terminate one or more chains of remotely-located re devices. central combiner-based cpri architecture baseband re re re baseband baseband switching/combining (p) bri c bric-2 bri c bric-2 baseband processing iq data rf chain processing iq data switching/combining (w) bri c bric cpri interconnect cpri interconnect chain-based cpri architecture re re re cpri cpri rec cpri iq data baseband processing rf chain processing iq data rf chain processing rf chain processing iq data iq data cpri bri c bric-2 bri c bric-2 bri c bric-2 bri c bric
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