Mitel MT90840 manual Serial Port Timing for 2.048 Mbps TM2 SFDi = 0 and TM3

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MT90840

Preliminary Information

F0ooutput (8 kHz)

SPCKo (4.096 MHz)

STi0-7

STo0-7

tdf		tdf
		tclk
tT	tclkh	tclkl

bit 0, ch. 31

tsod

bit 0, ch. 31



tstis			tstih

bit 7, ch. 0

bit 7, ch. 0

Serial Port with Negative Polarity F0 (ST-BUS)

SPCKo

(4.096 MHz)

STo0-7

STi0-7

F0o output (8 kHz)

tt

bit 0, ch. 31

bit 0, ch.31

	tclk
tclkh	tclkl
tsod
	bit 7, ch. 0	bit 6, ch. 0
	tstis	tstih
	bit 7, ch.0
tdf	tdf
	tdf

Serial Port with Positive Polarity F0 (GCI)

Figure 19 - Serial Port Timing for 2.048 Mbps - TM2 (SFDi = 0) and TM3

2-266

Image 36

Contents

Features ApplicationsPIN Plcc Pin ConnectionsPin Description Pin #Description 100 No ConnectionPckr PcktTDI +5 Volt Power Supply GroundTime Slot Interchange Operation Switching Functional DescriptionDevice Operation C4/8R1&2 4 MHz Serial I/O 2 Mbps Serial I/O 4 Mbps C4/8R1&2 8 MHz Serial I/O 8 MbpsPPFRi PDi0-7 Pckr or Pckt TCP bit = PPFTi/o Ppfp bit =1 PDo0-7Bypass/Parallel-Switching Path Transmit PathReceive Path Serial Data Port Parallel Port Clock Signals and Framing Serial Frame PulseParallel Data Port Timing and Switching Control Output Driver Enable Control CapabilityTiming Mode 1 TM1 Ring Master Asynchronous Parallel Port With ST-BUS Clock MasterTiming Mode 2 TM2 Ring Slave TM1 Multiple-MT90840 Sub-Mode PfdiAsynchronous Parallel Port With ST-BUS Clock Slave External PLL and C4 Phase-Correction Internal 4.096 MHz Clock DividerTM2 Multiple-MT90840 Sub-Mode Sfdi Synchronous Parallel Port With ST-BUS Clock Slave Sfdi =Sfdi = MT90840 MT90840 Throughput Delay MT90840 Per-channel FunctionsPer-channel Bypass on the Parallel Port Per-channel Control Outputs on the Parallel PortMode Data Rates Minimum Delay Total Throughput Delay MT90840 Throughput Delay SummaryPer-channel Message Mode Serial and Parallel STi0 STo0Per-channel Tri-state Serial and Parallel Per-channel Direction Control on the Serial PortSerial Data Memory Addressing Addressing2.048 Mbps Add/Drop Mode Tpdm Addressing Microprocessor Port Address Mapping of the Internal RegistersIRQ Interrupt Pin DTA Data Transfer Acknowledgment PinAccessing Internal Memories HexMT90840 Register Address Mapping Clock Quality and TM1 Tpcm Access Integrity Clock Quality and TM2 Rpcm Access IntegrityDetecting Clock Presence Memory Block-ProgrammingTiming Mode Initialization Jtag SupportTest Access Port TAP Boundary-Scan Instruction RegisterI01 Instruction Description Boundary-Scan Instruction RegisterTest Data Registers Cells DeﬁnitionBoundary-Scan Register Cells Deﬁnitions HighInterface Mode Selection Register IMS READ/WRITE Timing Mode Register TIM READ/WRITERegister Description DR1General Purpose Mode Register GPM READ/WRITE Alarm Status Register ALS READ/WRITEPhase Status Registers PSD Read Only Control Register CR READ/WRITEInternal Memory Description AB9 AB8AB11 AB10 Distributed Isochronous Network CTI Distributed Architecture Implemented with the MT90840 Parameter Symbol Min Max Units Characteristics Sym Min Typ Max Units Test Conditions Characteristics Sym Min Typ‡ Max Units Test Conditions/Pins Absolute Maximum RatingsCharacteristics Sym Min Typ‡ Max Units Test Conditions TM1Characteristics Sym Min Typ‡ Units Test ConditionsOutput Pin Test Point Serial Port with Negative Polarity F0 ST-BUS Serial Port with Positive Polarity F0 GCISerial Port Timing for 2.048 Mbps TM2 SFDi = 0 and TM3 267 F0 Frame Sync with Negative Polarity Spfp = F0 Frame Sync with Positive Polarity Spfp =Serial Port Timing for 8.192 Mbps TM1 and TM2 SFDi = Frame Sync with Positive Polarity Spfp = Frame Sync with Negative Polarity Spfp =Timing for the Parallel Port External Control Lines CTo0-3 AC Electrical Characteristics Parallel Data Port Parallel Port Receive TimingParallel Port in Timing Mode RD/WR 774 Up to 3 C4 cycles + Register takd-wrIntel/National Multiplexed Bus Timing AD0AC Electrical Characteristics† Motorola Multiplexed Bus Mode Characteristics Sym MinAD0-7 AD0-13Parameter Symbol Min Max Units Test Conditions Boundary Scan Test Port TimingDimensions in inches are not exact Dim Min MaxNot to scale 280