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Maxim DS21Q55 IMR3, 1Bh, Bit 0/Receive Remote Alarm Condition RRA = interrupt masked

Models: DS21Q55

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Product Preview									DS21Q55
Register Name:		IMR3
Register Description:		Interrupt Mask Register 3
Register Address:		1Bh
Bit #	7	6	5	4	3	2	1	0
Name	LSPARE	LDN	LUP	LOTC	LORC	V52LNK	RDMA	RRA
Default	0	0	0	0	0	0	0	0

Bit 0/Receive Remote Alarm Condition (RRA). 0 = interrupt masked

1 = interrupt enabled–interrupts on rising and falling edges

Bit 1/Receive Distant MF Alarm Condition (RDMA). 0 = interrupt masked

1 = interrupt enabled–interrupts on rising and falling edges

Bit 2/V5.2 Link Detected Condition (V52LNK).

0 = interrupt masked

1 = interrupt enabled–interrupts on rising and falling edges

Bit 3/Loss of Receive Clock Condition (LORC). 0 = interrupt masked

1 = interrupt enabled–interrupts on rising and falling edges

Bit 4/Loss of Transmit Clock Condition (LOTC). 0 = interrupt masked

1 = interrupt enabled–interrupts on rising and falling edges

Bit 5/Loop Up Code Detected Condition (LUP). 0 = interrupt masked

1 = interrupt enabled–interrupts on rising and falling edges

Bit 6/Loop Down Code Detected Condition (LDN). 0 = interrupt masked 1 = interrupt enabled–interrupts on rising and falling edges

Bit 7/Spare Code Detected Condition (LSPARE). 0 = interrupt masked

1 = interrupt enabled–interrupts on rising and falling edges

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Maxim DS21Q55 specifications IMR3, 1Bh, Bit 0/Receive Remote Alarm Condition RRA = interrupt masked

Contents

Description FeaturesApplications Ordering InformationProduct Preview DS21Q55 Ansi Clock Synthesizer Feature HighlightsGeneral Line InterfaceSystem Interface Framer/FormatterControl Port Test and DiagnosticsHdlc Controllers Extended System Information BusProduct Preview DS21Q55 012103 Table of Contents Channel Blocking Registers Error Count RegistersSignaling Operation PER-CHANNEL Idle Code Generation186 149170 177AC Timing Parameters and Diagrams Operating ParametersMechanical Descriptions Document Revision History Block Diagram Figure Block DiagramPIN Function Description Transmit Side PinsInput/Output Transmit Signaling InputTSYNCx Transmit SyncReceive Side Pins Receive Sync Receive Signaling OutputReceive Signaling Freeze RSYNCxParallel Control Port Pins INTTstrst BTS MUXJtms Jtag Test Access Port PinsA7/ALEAS JtrstLine Interface Pins Supply Pins Pinout DS21Q55 PIN Description Table PIN Symbol Type DescriptionESIBRD2 DVSS3DVSS4 ESIBRD1RLCLK1 RFSYNC2RFSYNC3 RFSYNC4RSYNC2 RSIGF3RSIGF4 RSYNC1TNEGI2 TLINK3TLINK4 TNEGI1TVSS2 TVSS3TVSS4 AD1 Package DS21Q55 Pin DIAGRAM, 27mm BGAParallel Port Register MapAddress Register Name Abbreviation PCDR1 SR9IMR9 PcprRS4 RS1RS2 RS3H1FC TCBR3TCBR4 H1TCRAF RFDLM1RFDLM2 IbocInformation Rsaoics Rsrcs Rfcs Brcs Thscs Peics Tfcs Btcs Special PER-CHANNEL Register OperationRegister Name PcprPCDR4 PCDR1PCDR2 PCDR3Programming Sequence Figure Programming ModelMstrreg Power-Up SequenceMaster Mode Register TEST1 TEST0 Effect on Output PinsStatus Registers Interrupt HandlingIIR2 Information RegistersInterrupt Information Registers IIR1Clock MAP Clock MAP FigureTransmit Clock Source OOF2 OOF1 OUT of Frame Criteria T1 FRAMER/FORMATTER Control RegistersT1 Control Registers T1RCR1T1RCR2 Bit 1/Receive Japanese CRC6 Enable RJCBit 5/Receive B8ZS Enable RB8ZS = B8ZS disabled Bit 6/Receive Frame Mode Select RFM = D4 framing modeT1TCR1 TB8ZS TSLC96 Tzse FBCT2 FBCT1 TD4YM Tzbtsi TB7ZS Bit 7/Transmit B8ZS Enable TB8ZS = B8ZS disabledT1TCR2 06h07h Bit 2/Transmit Frame Mode Select TFM = D4 framing modeT1CCR1 T1 Common Control RegisterT1 Receive-Side Digital-Milliwatt Code Generation T1 Transmit TransparencyT1RDMR1 T1RDMR2T1RDMR3 10h T1 Information RegisterINFO1 Information RegisterT1 Alarm Criteria Table Alarm SET Criteria Clear CriteriaYellow Alarm RAI E1 FRAMER/FORMATTER Control Registers E1 Control RegistersE1RCR1 Rcla E1 SYNC/RESYNC Criteria TableE1RCR2 34hE1TCR1 E1TCR2 Bit 0/Automatic Remote Alarm Generation ARA = disabledBit 1/Automatic AIS Generation Aais = disabled Bit 2/Automatic E-Bit Enable AebeAutomatic Alarm Generation E1 Information Registers INFO3INFO7 E1 Alarm Criteria Table Common Control and Status Registers CCR1TCSS1 TCSS0 Transmit Clock Source SR2 IDR19h Bit 2/Receive Unframed All Ones Blue Alarm Condition RUA1IMR2 Interrupt Mask RegisterSR3 1AhLspare LDN LUP Lotc Lorc V52LNK Rdma RRA Bit 2/V5.2 Link Detected Condition V52LNK Bit 0/Receive Remote Alarm Condition RRA = interrupt maskedIMR3 1BhBit 2/Receive Multiframe Event RMF SR41Ch RSA1 RSA0 TMF TAF RMF Rcmf RAFIMR4 IOCR1 11. I/O PIN Configuration OptionsIOCR2 4Ah Loopback ConfigurationLbcr Loopback Control RegisterInformation Per-Channel Loopback PCLR1PCLR2 4Eh PCLR34Dh PCLR4Ercnt Error Count RegistersT1 Operation Line Code Violation Count Register LcvcrT1 Line Code Violation Counting Options Table E1 Line Code Violation Counting Options TableLCVCR2 LCVCR1Line Code Violation Count Register 42hFraming Mode Path Code Violation Count Register PcvcrT1 Path Code Violation Counting Arrangements Table ERCNT.1 Framing Mode Count MOS or F-BIT Errors What is CountedFrames Out Of Sync Count Register Foscr T1 Frames OUT of Sync Counting Arrangements TableInformation EBCR1 Bit Counter Register EbcrFOSCR1 FOSCR2TDS0M 14. DS0 Monitoring FunctionTransmit DS0 Monitor Registers TDS0SELReceive DS0 Monitor Registers RDS0SELRDS0M Signaling Operation Change Of State Processor-Based Receive SignalingHardware-Based Receive Signaling Receive-Signaling Reinsertion at RserSigcr Force Receive Signaling All OnesReceive-Signaling Freeze Signaling Control RegisterCH4-A CH4-B MSB LSBMSB LSB CH2-A CH2-B CH1-A CH1-BCH9-A CH9-B CH9-C CH9-D RS6 Receive Signaling Registers E1 Mode, CAS FormatRS1 to RS16 60h to 6FhRSCSE3 RSCSE1 , RSCSE2 , RSCSE3 , RSCSE4RSCSE1 RSCSE2Processor-Based Transmit Signaling Channel Phone 15.2.1.1 T1 Mode15.2.1.2 E1 Mode Time Slot Numbering Schemes TableTS1 TS2 TS3 TS4 TS5 TS6 TS7 TS8 TS9 Transmit Signaling Registers E1 Mode, CAS FormatTS1 to TS16 50h to 5FhTransmit Signaling Registers E1 Mode, CCS Format 50h to 5Bh Transmit Signaling Registers T1 Mode, ESF FormatTS4 TS1 CH4-A CH4-BTS2 CH6-A CH6-B TS3 CH8-A CH8-BSoftware Signaling Insertion Enable Registers, E1 CAS Mode SSIE1SSIE2 SSIE4 SSIE30Ah LcawSoftware Signaling Insertion Enable Registers, T1 Mode Hardware-Based Transmit Signaling PER-CHANNEL Idle Code Generation Idle Code Array Address Mapping TableBits 0-5 of Iaar Register Maps to Channel Write Iaar = 40h Write Pcicr = 7Eh Idle Code Programming ExamplesTCICE2 IaarPcicr TCICE1Information RCICE2 TCICE3TCICE4 RCICE187h RCICE386h RCICE4Channel Blocking Registers RCBR1RCBR2 TCBR2 RCBR3RCBR4 TCBR18Fh TCBR38Eh TCBR4Elastic Stores Operation 4Fh Bit 0/Receive Elastic Store Enable ReseEscr Elastic Store Control RegisterIMR5 SR51Eh Tesf Tesem Tslip Resf Resem RslipProduct Preview DS21Q55 109 012103 18.1.1 T1 Mode 18.1.2 E1 ModeReceive Side Elastic Stores Initialization Elastic Store Delay After Initialization TableMinimum-Delay Mode Transmit Side112 012103 CRC-4 Recalculate Method Figure 19. G.706 INT Ermediate CRC-4 Updating E1 Mode only20. T1 BIT Oriented Code BOC Controller Transmit BOCReceive BOC Rboce RBR RBF1 RBF0 Sboc BoccBOC Control Register 37h24h Receive FDL RegisterC0h SR8IMR8 Additional Sa and International Si BIT Operation E1 only Hardware Scheme MethodInternal Register Scheme Based On Double-Frame Method Rnaf RAFTnaf TAFC8h Internal Register Scheme Based On CRC4 Multiframe MethodRSiAF Receive Si Bits of the Align FrameRRA RSa5 RSa4Receive Sa4 Bits CBhRSa7 RSa6Receive Sa6 Bits CDhRSa8 Receive Sa8 BitsCFh TSiAF Transmit Si Bits of the Align FrameD2h TRA TSa5 TSa4Transmit Sa4 Bits D5hTSa7 TSa6Transmit Sa6 Bits D7hTSa8 Transmit Sa8 BitsD9h Tsacr Basic Operation Details Hdlc ControllersHdlc Controller Registers Table 90h, A0h Hdlc ConfigurationH1TC, H2TC Hdlc #1 Transmit Control, Hdlc #2 Transmit Control31h, 32h Bit 0/Receive SS7 Fill In Signal Unit Delete RsfdH1RC, H2RC Hdlc #1 Receive Control, Hdlc #2 Receive ControlTFLWM2 TFLWM1 TFLWM0 Transmit Fifo Watermark Bytes Fifo ControlH1FC, H2FC RFHWM2 RFHWM1 RFHWM0 Receive Fifo Watermark BytesH2RCS1, H2RCS2, H2RCS3, H2RCS4 Hdlc MappingReceive Register ChannelsH1RTSBS, H2RTSBS 96h, A6hRCB8SE RCB7SE RCB6SE RCB5SE RCB4SE RCB3SE RCB2SE RCB1SE Transmit 97h, 98h, 99h, 9Ah A7h, A8h, A9h, AAhTHCS7 THCS6 THCS5 THCS4 THCS3 THCS2 THCS1 THCS0 H1TTSBS, H2TTSBS 9Bh, AbhTCB8SE TCB7SE TCB6SE TCB5SE TCB4SE TCB3SE TCB2SE TCB1SE Tmend RPE RPS Rhwm RNE Tlwm TNF SR6, SR7Hdlc #1 Status Register Hdlc #2 Status Register 20h, 22hIMR6, IMR7 INFO5, INFO6 PS2 PS1 PS0 Packet StatusINFO4 H1RPBA, H2RPBA Fifo InformationReceive Packet Bytes Available H1TFBA, H2TFBA22.3.5 H1TF, H2TFH1RF, H2RF Legacy FDL Support T1 Mode Receive Hdlc Code ExampleReceive Section Rfdl RFDL7 RFDL6 RFDL5 RFDL4 RFDL3 RFDL2 RFDL1 RFDL0RFDLM1, RFDLM2 Transmit FDL Register 22.6 D4/SLC-96 OperationTransmit Section TfdlBasic Network Connections Figure Line Interface Unit LIULIU Receiver LIU OperationReceive G.703 Synchronization Signal E1 Mode Monitor ModeTypical Monitor Application Figure Transmit Short-Circuit Detector/Limiter Transmit BPV Error InsertionTransmit G.703 Synchronization Signal E1 Mode LIU TransmitterMclk Prescaler CMI Code Mark Inversion OptionCMI Coding Figure LIC1 23.7 LIU Control RegistersApplication Return Loss E1 Mode7Dh Network Mode GC5 GC4 GC3 GC2 GC1 GC0Tlbc Transmit Line Build-Out ControlBit 7/E1/T1 Select ETS LIC279h ETS Lirst Ibpv TUA1 Jamux Scld CldsMM1 MM0 LIC3MPS1 MPS0 Jamux LIC2.3 RT1 RT0 Internal Receive Termination ConfigurationTT1 TT0 Internal Transmit Termination Configuration LIC4RL3 RL2 RL1 RL0 INFO2CCR4 Lrcl Tcle Tocd Lolitc Ilut Timer RscosSR1 16hTimer Rscos IMR117h 1µF Recommended Circuits Basic Interface FigureProtected Interface Using Internal Receive Termination Specification Recommended Value Component Specifications Transformer Specifications TableT1 Transmit Pulse Template Figure E1 Transmit Pulse Template FigureJitter Tolerance E1 Mode Figure Jitter Tolerance T1 Mode FigureJitter Attenuation E1 Mode Figure Jitter Attenuation T1 Mode FigureProgrammable IN-BAND Loop Code Generation and Detection TC1 TC0 IbccRDN2 RDN1 RDN0 RUP2 RUP1 RUP0TCD2 TCD1Transmit Code Definition Register B7hRUPCD2 RUPCD1RDNCD1 RDNCD2 RsccRSC2 RSC1 RSC0 RSCD2 RSCD1Receive -Spare Code Definition Register BEhBert Function Bert Register Description BC1PS2 PS1 PS0 Pattern Definition Length Bits EIB2 EIB1 EIB0 Error Rate InsertedBC2 E1hEAh Bit 0/BERT Enable Berten = Bert disabledBIC BER T Interface Control RegisterSR9 26hBbed Bbco BEC0 BRA1 BRA0 Brlos Bsync Bawc IMR9BRP3 Bert Repetitive Pattern SetBRP1 BRP2BBC3 Bert Bit CounterBBC1 BBC2BEC3 Bert Error CounterBEC1 BEC2Payload Error Insertion Function Transmit Error Insertion Setup Sequence TableStep Action ERC Error Rate Control RegisterBits 0 to 3/Error Insertion Rate Select Bits ER0 to ER3 ER3 ER2 ER1 ER0 Error RateNOE1 Number Of Error RegistersError Insertion Examples Table Value Write ReadNumber Of Errors Left Register NOEL1NOEL2 Channel Interleave Mode Frame Interleave ModeInterleaved PCM BUS Operation Iboc DA0 Device PositionIBS1 IBS0 BUS Size DS21Q55 #1 Rser DS21Q55 #3 Rser IBO Example FigureEsib Group of Four DS21Q55s Figure Extended System Information BUS EsibESIBSEL2 ESIBSEL1 ESIBSEL0 BUS BIT Driven ESIBCR1Extended System Information Bus Control Register B0hB1h ESI3SEL2 ESI3SEL1 ESI3SEL0 Status Output T1 Mode E1 ModeESI4SEL2 ESI4SEL1 ESI4SEL0 Status Output T1 Mode E1 Mode ESIBCR2ESIB4 ESIB1ESIB2 ESIB3Programmable Backplane Clock Synthesizer CCR2BPCS1 BPCS0 Tdatfmt Tgpcken Rdatfmt Rgpcken Fractional T1/E1 SupportCCR3 72hJtag Functional Block Diagram Figure JTAG-BOUNDARY-SCAN Architecture and TEST-ACCESS PortRun-Test-Idle Test-Logic-ResetUpdate-DR TAP Controller State MachineShift-IR Update-IRSelect-IR-Scan Capture-IRTAP Controller State Diagram Figure Instruction Register Instruction Codes for Ieee 1149.1 Architecture TableInstruction Selected Register Instruction Codes Device BIT ID ID Code Structure TableDevice ID Codes Table MSB LSBIdentification Register Test RegistersBoundary Scan Register Bypass RegisterESIBS0 BIT PIN Symbol Type Control BIT DescriptionBoundary Scan Control Bits Table Rchblk Jtms Bpclk Jtclk JtrstEsibrd Tsig Teso NXA Tdata NXA Tsysclk Tssync TchclkESIBS1 MUX Dvss DvddRsysclk Rsync RLOS/LOTCReceive Side ESF Timing Figure Rclk Rsysclk Rsysclk Rser Transmit Side D4 Timing Figure Transmit Side ESF Timing Figure Transmit Side Boundary Timing With Elastic Store Disabled Tsysclk TSER1 32.2 E1 Mode Receive Side Timing Figure Receive Side Boundary Timing With Elastic Store Disabled RSYNC2 Rmsync RSYNC3 Rchclk Rchblk 221 012103 Receive IBO Channel Interleave Mode Timing Figure Receive IBO Frame Interleave Mode Timing Figure TIMING, E1 Mode only Figure Transmit Side Timing Figure Tser LSB Si Tssync Tchclk Tchblk 228 012103 Transmit IBO Channel Interleave Mode Timing Figure Transmit IBO Frame Interleave Mode Timing Figure Thermal Characteristics Operating Parameters Absolute Maximum RatingsTHETA-JA θJA vs Airflow Capacitance DC CharacteristicsParameter Symbol MIN TYP MAX Recommended DC Operating ConditionsParameter Symbol MIN TYP MAX Units AC Timing Parameters and DiagramsIntel BUS Write Timing BTS = 0 / MUX = 1 Figure Intel BUS Read Timing BTS = 0 / MUX = 1 FigureMotorola BUS Timing BTS = 1 / MUX = 1 Figure 236 012103 Intel BUS Read Timing BTS = 0 / MUX = 0 Figure Motorola BUS Read Timing BTS = 1 / MUX = 0 Figure Receive Side AC Characteristics AC CHARACTERISTICS-RECEIVE SideParameter Symbol MIN TYP MAX Units Receive Side Timing T1 Mode Figure Receive Side TIMING, Elastic Store Enabled T1 Mode Figure Receive Line Interface Timing Figure MAX Units Transmit AC CharacteristicsParameter Symbol MIN TYP E1Tsysclk = 8.192MHz Tsysclk = 16.384MHz Transmit Side TIMING, Elastic Store Enabled Figure Transmit Line Interface Timing Figure Mechanical Descriptions Product Preview DS21Q55 248 012103