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PM7345 датащи(PDF) 21 Page - PMC-Sierra, Inc |
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PM7345 датащи(HTML) 21 Page - PMC-Sierra, Inc |
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21 / 306 page ![]() PM7345 S/UNI-PDH DATA SHEET PMC-931011 ISSUE 6 SATURN USER-NETWORK INTERFACE PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE 7 Figure 1 - DS3 and E3 User Network Interface Optional DS3/E3/PLCP Overhead Processor ( eg. tester application) PM7345 S/UNI-PDH SATURN User-Network Interface for PDH ATM/SMDS Adaptation Layer Processor (eg. SAR or policing functions) SSI 78P7200 E3/DS3 LIU RPOS RNEG RCLK TPOS TNEG TCLK RPOS/RDAT RNEG/ROHM RCLK TPOS/TDAT TNEG/TOHM TCLK TICLK TIOHM C13/CADD TCELL RCELL A[7:0] D[7:0] ALE RDB WRB CSB RSTB RRDENB FRDB/RFCLK RSOC REOH REOC FRDATA[7:0] RFIFOE/RCA TWRENB FWRB/TFCLK TSOC FWDATA[7:0] TFIFOFB/TCA TPOHCLK TPOHFP TPOHINS TPOH RPOHCLK RPOHFP RPOH TOHCLK TOHFP TOHINS TOH ROHCLK ROHFP ROH INTB AD[15:0] ALE RDB WRB RESB INT From Master reset circuitry From chip select decode circuitry +5V OSC 44.736 MHz LINE IN INTERFACE LINE OUT INTERFACE AD[15:0] ALE RDB WRB RESB INT From Master reset circuitry From chip select decode circuitry OSC 44.736 MHz or 34.368 MHz RX CELL INTERFACE TX CELL INTERFACE Intel/ Motorola Single Chip µP Layout information for the SSI 78P7200 E3/DS3 LIU is found in the OPERATION section of this document. Please refer to it as an example of the E3 and DS3 configuration used by PMC-Sierra.1 1 Please contact Silicon Systems at (714) 573-6200 for detailed application information concerning the 78P7200 E3/DS3 LIU. |
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