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PM7344 bảng dữ liệu(PDF) 30 Page - PMC-Sierra, Inc |
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PM7344 bảng dữ liệu(HTML) 30 Page - PMC-Sierra, Inc |
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30 / 293 page ![]() PM7344 S/UNI-MPH DATA SHEET PMC-950449 ISSUE 6 MULTI-PHY USER NETWORK INTERFACE PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE 14 5 BLOCK DIAGRAM Figure 4 - Normal Operating Mode TWRMPHB /TWRENB[1] RRDMPHB /RRDENB[1] Tx ATM 4 Cell FIFO Rx ATM 4 Cell FIFO Multi- PHY I/F TDAT[7:0] TCA[4:1] TSOC RDAT[7:0] RSOC Microprocessor I/F Tx ATM Cell Processor Rx ATM Cell Processor RCA[4:1] JTAG Test Access Port TDP/TDD[4:1] RCLKI[4:1] RDP/RDD[4:1] TFCLK RFCLK TXPRTY RXPRTY T1/E1 Framer TCLKO[4:1] Digital Transmit Interface Digital Receive Interface Pulse Density Violation Detector HDLC Receiver Bit Oriented Code Receiver Inband Code Detector Alarms Integrator Performance Monitor T1/E1 Framing Insertion HDLC Transmitter Bit Oriented Code Transmitter Pulse Density Enforcer Inband Loopback Code Generator TWA[0]/TWRENB[2] TWA[1]/TWRENB[3] TCAMPH/TWRENB[4] RCAMPH/RRDENB[4] RRA[1]/RRDENB[3] RRA[0]/RRDENB[2] TDN/TOHO[4:1] RDN/RLCV/ ROH[4:1] Figure 5 - Loopback Modes Tx ATM 4 Cell FIFO Rx ATM 4 Cell FIFO Multi- PHY I/F Microprocessor I/F Tx ATM Cell Processor Rx ATM Cell Processor JTAG Test Access Port T1/E1 Framer Pulse Density Violation Detector HDLC Receiver Bit Oriented Code Receiver Inband Code Detector Alarms Integrator Performance Monitor T1/E1 Framing Insertion HDLC Transmitter Bit Oriented Code Transmitter Pulse Density Enforcer Inband Loopback Code Generator Digital Receive Interface LINE LOOPBACK DIAGNOSTIC LOOPBACK Digital Transmit Interface PAYLOAD LOOPBACK |
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