TP3465V/NOPB National Semiconductor, TP3465V/NOPB Datasheet
TP3465V/NOPB
Specifications of TP3465V/NOPB
*TP3465V/NOPB
TP3465V
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TP3465V/NOPB Summary of contents
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... Interfacing to industry standard MICROWIRE peripheral Y devices such as Analog to Digital Converters LCD driv- ers clock generators Block Diagram FIGURE 1 MICROWIRE Interface Device MID COMBO Series 32000 and TRI-STATE are registered trademarks of National Semiconductor Corporation MICROWIRE trademark of National Semiconductor Corporation C 1999 National Semiconductor Corporation TL H 10803 TM ...
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Connection Diagrams Pin Description Pin No. Name 28 Pkg GND 14 CKIN 17 MICROWIRE Interface The MICROWIRE Interface consists of SK (clock out) SO (data out) SI (data in) and chip select output lines ...
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MultiplexedMicroprocessor B us Interface The MULT INT pin is sampled on power-up and if LOW the microprocessor bus format is assumed to be Multiplexed and the pin is considered an input pin to indicate Multiplexed bus format The pin has ...
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Non-Multiplexed Microprocessor Interface The MULT INT pin is sampled on power-up and if not LOW the microprocessor bus format is assumed to be Non-multiplexed This interface consists of a four-bit Address bus an eight-bit Data bus and six control lines ...
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Functional Description (Continued) Address Register Bit7 00h SMB d7 01h FMB d7 02h FMBD0 d7 03h FMBD1 d7 04h FMBD2 d7 05h FMBD3 d7 06h FMBD4 d7 07h FMBD5 d7 08h FMBD6 d7 09h FMBD7 d7 0Ah CS cs7 0Bh ...
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Functional Description (Continued) The uwdone bit in the ST register can be connected to the INT pin of the MID to alert the host processor when MICROWIRE transmission is completed by setting the inten bit in this SKR register The ...
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Functional Description (Continued) Example 1 Communicating with 8-bit peripheral device 0 The mwm0 bit must be set to 0 Write the MICROWIRE data in to the FMBD0 address The 8-bit data is then shifted out after the trailing edge of ...
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Software Driver Procedures 4 Write to SKR to set the div bits to support the fastest SK clock rate supported by the peripherals Set inten the uwdone status is to set an INTerrupt to the host processor (available only in ...
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Applications (Continued) FIGURE 3 MID Two Types of Microwire Formats 3-Pin (e g TP3071 COMBO II) and 4-Pin (e g TP3420 SID) FIGURE 4 MID TERMINAL EQUIPMENT Application The nomenclature for MICROWIRE signal names is as follows MICROWIRE controller SK ...
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Applications (Continued) FIGURE 5 MID LINECARD Application Digital (ISDN Non-ISDN) or Analog 10803 – 5 ...
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Applications (Continued) The nomenclature for MICROWIRE signal names is as follows MICROWIRE controller SK (clock) SO (data out) SI (data in) MICROWIRE peripheral CCLK (clock) CO (data out) CI (data in) FIGURE 6 Example of MID in Master or Slave ...
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... Device Electrical Characteristics Absolute Maximum Ratings If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications V to GND CC Input Voltage Input Current Storage Temperature Range Lead Temperature (Soldering 10 Sec ) ESD Rating Electrical Characteristics ...
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Timing Characteristics This section contains timing diagrams for the microprocessor bus interface MICROWIRE port interface and the Control and Clock timings relationships Timing characteristics are derived from worst-case simulations plus guardbanding Production testing is limited to device func- tionality NSC ...
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Motorola Bus Format MULTIPLEXED MICROPROCESSOR BUS NON-MULTIPLEXED MICROPROCESSOR BUS Note: For TP3465 MID, the AS (Address Strobe) and DS (Data Strobe) are active high polarity signals. For Non-multiplexed busses See Figure7 for connection diagram Symbol Parameter t ...
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MICROWIRE Timing Diagrams Symbol Parameter f CKin Frequency CKIN f SK Frequency Clock Duration SKD t SK High Duration SKH t SK Low Duration SKL t Rise Time SK RSK t Fall Time SK FSK t Setup ...
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Control Interface Timing Relationships Symbol Parameter t Delay Write Strobe to CS Asserted DWCSA t Delay CS Active to first SK Edge DCSSKA t Delay Last SK Edge to CS Inactive DSKCSA CS Load Load e t ...
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