Mitel MT90840 manual Characteristics Sym Min Typ‡, Units Test Conditions, Output Pin Test Point

Page 34

MT90840

 

 

 

Preliminary Information

AC Electrical Characteristics - Voltages are with respect to ground (VSS) unless otherwise stated.

 

 

 

 

 

 

Characteristics

Sym

Min Typ‡

Max

Units

Test Conditions

10 STo Delay from High-Z to Active

tza

 

 

 

CL=30pF, RL=1K

2.048 and 4.096 Mbps (TM2 &TM3)

 

 

38

ns

 

2.048 and 4.096 Mbps (TM1)

 

 

50

ns

 

8.192 Mbps (STio0-3)

 

 

26

ns

 

 

 

 

 

 

 

11 STo Output Delay from SPCKo

tsod

 

40

ns

CL=30pF

(TM2 & TM3, 2.048 and 4.096 Mbps)

 

 

64

ns

CL=150pF

STo Output Delay from 4.096 MHz C4/8

 

 

52

ns

CL=30pF

input (TM1)

 

 

72

ns

CL=150pF

STo 8.192 Mbps Output Delay from

 

 

28

ns

CL=30pF

C4/8 input (TM1, 2 & 3; STi/o0-3)

 

 

43

ns

CL=150pF

12 STi Input Setup Time from SPCKo

tstis

28

 

ns

SPCKo CL=30pF

output edge (2.048 and 4.096 Mbps)

 

41

 

 

SPCKo CL=150pF

STi Input Setup Time from C4/8 input

 

 

 

 

 

edge in TM1 (2.048 and 4.096 Mbps)

 

0

 

ns

 

STi Input Setup Time from C4/8 input

 

 

 

 

TM1 and TM2,

edge at 8.192 Mbps (STi/o0-3)

 

0

 

ns

STi0-3, STo0-3

 

 

 

 

 

 

13 STi Input Hold Time from SPCKo output

tstih

9

 

ns

SPCKo CL=30pF

edge (2.048 and 4.096 Mbps)

 

2

 

 

SPCKo CL=150pF

STi Input Hold Time from C4/8 input

 

 

 

 

 

edge in TM1 (2.048 and 4.096 Mbps)

 

20

 

ns

 

STi Input Hold Time from C4/8 input

 

 

 

 

TM1 and TM2,

edge at 8.192 Mbps

 

13

 

ns

STi0-3, STo0-3

‡ Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.

Output

Pin

Test Point

RL

S1

CL

VSS

VDD

S2

VSS

S1 is open circuit except when testing output levels or high impedance states.

S2 is switched to VDD or VSS when testing output

levels or high impedance states.

Figure 17 - Output Test Load

2-264

Page 33 Page 35
Image 34
Page 33 Page 35
Contents Features ApplicationsPIN Plcc Pin ConnectionsDescription 100 Pin DescriptionPin # No ConnectionPckt PckrTDI +5 Volt Power Supply GroundFunctional Description Time Slot Interchange Operation SwitchingDevice Operation PPFRi PDi0-7 C4/8R1&2 4 MHz Serial I/O 2 MbpsSerial I/O 4 Mbps C4/8R1&2 8 MHz Serial I/O 8 Mbps Pckr or Pckt TCP bit = PPFTi/o Ppfp bit =1 PDo0-7Transmit Path Bypass/Parallel-Switching PathReceive Path Serial Data Port Serial Frame Pulse Parallel Port Clock Signals and FramingParallel Data Port Timing Mode 1 TM1 Ring Master Timing and Switching ControlOutput Driver Enable Control Capability Asynchronous Parallel Port With ST-BUS Clock MasterTM1 Multiple-MT90840 Sub-Mode Pfdi Timing Mode 2 TM2 Ring SlaveAsynchronous Parallel Port With ST-BUS Clock Slave Internal 4.096 MHz Clock Divider External PLL and C4 Phase-CorrectionTM2 Multiple-MT90840 Sub-Mode Sfdi Sfdi = Synchronous Parallel Port With ST-BUS Clock SlaveSfdi = MT90840 Per-channel Bypass on the Parallel Port MT90840 Throughput DelayMT90840 Per-channel Functions Per-channel Control Outputs on the Parallel PortMode Data Rates Minimum Delay Total Throughput Delay MT90840 Throughput Delay SummaryPer-channel Tri-state Serial and Parallel Per-channel Message Mode Serial and ParallelSTi0 STo0 Per-channel Direction Control on the Serial PortSerial Data Memory Addressing Addressing2.048 Mbps Add/Drop Mode Tpdm Addressing IRQ Interrupt Pin Microprocessor PortAddress Mapping of the Internal Registers DTA Data Transfer Acknowledgment PinHex Accessing Internal MemoriesMT90840 Register Address Mapping Detecting Clock Presence Clock Quality and TM1 Tpcm Access IntegrityClock Quality and TM2 Rpcm Access Integrity Memory Block-ProgrammingTiming Mode Initialization Jtag SupportI01 Instruction Description Test Access Port TAPBoundary-Scan Instruction Register Boundary-Scan Instruction RegisterBoundary-Scan Register Cells Definitions Test Data RegistersCells Definition HighRegister Description Interface Mode Selection Register IMS READ/WRITETiming Mode Register TIM READ/WRITE 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 MT90840Characteristics Sym Min Typ‡ Max Units Test Conditions/Pins Parameter Symbol Min Max UnitsCharacteristics Sym Min Typ Max Units Test Conditions Absolute Maximum RatingsCharacteristics Sym Min Typ‡ Max Units Test Conditions TM1Units Test Conditions Characteristics Sym Min Typ‡Output 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 TimingDim Min Max Dimensions in inches are not exactNot to scale 280

MT90840 specifications

The Mitel MT90840 is an advanced telecommunications device designed to enhance connectivity and communication capabilities for various applications. With its robust array of features and technologies, the MT90840 is well-suited for businesses looking to improve their communications infrastructure.

One of the standout features of the Mitel MT90840 is its integration of voice and data services. This allows users to manage their communications more efficiently, streamlining operations and reducing costs. The device supports a wide range of voice codecs, ensuring high-quality audio during calls and providing flexibility for users who may require different standards for different applications.

Another key characteristic of the MT90840 is its scalability. The device is designed to grow with the needs of a business. It supports multiple lines and can be configured to handle an increasing number of users without compromising performance. This scalability is particularly advantageous for organizations that may undergo growth or changes in their communication needs over time.

The Mitel MT90840 also incorporates advanced networking technologies, such as VoIP (Voice over Internet Protocol). This allows users to make voice calls using the internet rather than traditional phone lines, reducing costs for long-distance calls and improving overall communication efficiency. The device is equipped with features that support secure, encrypted communication, further protecting sensitive data and conversations from potential breaches.

Additionally, the MT90840 is designed with user-friendliness in mind. It features an intuitive interface that simplifies operation, making it accessible even for those who may not be tech-savvy. The device is compatible with various peripherals, such as headsets and conferencing equipment, further enhancing its usability in diverse settings, from small offices to large conference rooms.

Moreover, the Mitel MT90840 offers excellent interoperability with a variety of third-party applications. This flexibility enables organizations to integrate the device into their existing systems seamlessly, thereby enhancing productivity without requiring a complete technological overhaul.

In conclusion, the Mitel MT90840 stands out as a versatile and reliable telecommunications solution. Its rich feature set, including voice and data integration, scalability, VoIP capabilities, user-friendly interface, and interoperability, makes it an ideal choice for businesses looking to elevate their communications strategy.
Top Page Image Contents