pmc-981280 (r2) ? 1999 pmc-sierra, inc. january, 1999 PM5357 pmc-sierra,inc. 622 mbit/s atm and packet over sonet physical layer device s/uni-622-pos features general ? atm and packet over sonet/sdh (pos) oc-12c (622 mbit/s) phy provides on-chip clock and data recovery and clock synthesis exceeds bellcore-gr-253 jitter requirements inserts and extracts atm cells or pos packets into/from sonet spe filters and captures automatic protection switch bytes (k1,k2) and detects aps byte failure detects signal degrade and signal failure thresholds crossing alarms captures and debounces synchronization status byte (s1) extracts and inserts the 16 or 64-byte section trace (j0) and path trace (j1) messages extracts and inserts section/line data communication channels (dcc) provides circuitry to meet holdover, wander and long term stability provides a generic 8-bit microprocessor interface for device control and register access provides standard ieee 1149.1 jtag test port for boundary scan atm implements the atm forum user network interface specification performs cell payload scrambling and descrambling provides a utopia level 2 and an 8- bit 100mhz utopia level 3 compliant system interface provides synchronous 4 cell transmit and receive fifo buffers packet over sonet/sdh supports direct packet mapping into sonet/sdh such as ppp, hdlc and frame relay implements the ppp over sonet/ sdh specification according to rfc 1619 and 1662 of the ietf performs flag sequence detection and insertion performs crc-ccitt and crc-32 fcs generation and validation performs byte stuffing and destuffing checks for minimum and maximum packet lengths checks for packet abort sequence performs x 43 +1 payload scrambling provides a saturn pos-phy level 2 and an 8-bit 100mhz pos-phy level 3 system interface provides synchronous 256 byte transmit and receive fifo buffers packaging implemented in low power 3.3 volt cmos technology packaged in a 304 sbga industrial temperature range (-40c to +85c) applications wan and edge atm switches multiprotocol switches layer 3 switches routers, packet switches and hubs block diagram utopia atm level 2/3 pos-phy atm level 2/3 system interface tx line i/f rx line i/f jtag test access port tfpi tfpo tclk trstb tck tms tdi tdo syssel tx line o/h processor rx line o/h processor path trace buffer tx section o/h processor section trace buffer tx path o/h processor rx path o/h processor tx pos frame processor rx pos frame processor atp[0] txd+/- tdref1,tdref0 fpout pout[7:0] ptclk lifsel rfpo rclk ralarm rx section o/h processor fpin pin[7:0] piclk oof c1,c0 sd rrclk+/- rxd+/- refclk+/- peclv rbyp atp[1] microprocessor interfaces d[7:0] rstb rdb wrb csb ale a[8:0] intb rx aps, sync status, berm apsp[4:0] section/line dcc extract rsdclk rsd rld rldclk wan synch. rx atm cell processor tx atm cell processor section/line dcc insert tld tldclk tsd tsdclk pos_atmb tfclk tenb tsoc/tsop tca/tpa tprty tmod tdat[15:0] teop terr renb rfclk rca/rpa rprty rdat[15:0] rval rerr reop rmod rsoc/rsop
head office: pmc-sierra, inc. #105 - 8555 baxter place burnaby, b.c. v5a 4v7 canada tel: 604.415.6000 fax: 604.415.6200 PM5357 s/uni-622-pos 622 mbit/s atm and packet over sonet physical layer device 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-981280 (r2) ? 1999 pmc-sierra, inc. january, 1999 typical applications pos-phy level 2 application PM5357 s/uni-622-pos pos-phy level 2 interface tfclk tenb tpa tsop tprty tdat[15:0] rfclk renb rpa rsop rprty rdat[15:0] link layer device tfclk tenb tpa tsop tprty tdat[15:0] rfclk renb rpa rsop rprty rdat[15:0] optical transceiver rxd+/- sd txd+/- tmod tmod teop teop terr terr rmod rmod reop reop rerr rerr lifsel 1 atm_pos syssel 1 0 rval rval pos-phy level 3 application PM5357 s/uni-622-pos pos-phy level 3 interface tfclk tenb tpa tsop tprty tdat[7:0] rfclk renb rsop rprty rdat[7:0] link layer device tfclk tenb tpa tsop tprty tdat[7:0] rfclk renb rsop rprty rdat[7:0] optical transceiver rxd+/- sd txd+/- tmod tmod teop teop terr terr reop reop rerr rerr rval rval lifsel 1 atm_pos syssel 1 1
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