CU21985A1 - Procedure and device for the connection of a microprocessor system of 16 bits with modulus of 8 bits. - Google Patents

Procedure and device for the connection of a microprocessor system of 16 bits with modulus of 8 bits.

Info

Publication number
CU21985A1
CU21985A1 CU8523A CU1985023A CU21985A1 CU 21985 A1 CU21985 A1 CU 21985A1 CU 8523 A CU8523 A CU 8523A CU 1985023 A CU1985023 A CU 1985023A CU 21985 A1 CU21985 A1 CU 21985A1
Authority
CU
Cuba
Prior art keywords
bit
microprocessor system
procedure
connection
modules
Prior art date
Application number
CU8523A
Other languages
Spanish (es)
Inventor
Hristo Alexandrov Turlakov
Stefan Spassov Machev
Venelin Georgiev Barbutov
Original Assignee
Dso Isot
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dso Isot filed Critical Dso Isot
Publication of CU21985A1 publication Critical patent/CU21985A1/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/40—Bus structure
    • G06F13/4004—Coupling between buses
    • G06F13/4009—Coupling between buses with data restructuring
    • G06F13/4018—Coupling between buses with data restructuring with data-width conversion

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multi Processors (AREA)
  • Executing Machine-Instructions (AREA)
  • Bus Control (AREA)

Abstract

LA INVENCION SE REFIERE AL PROCEDIMIENTO Y DISPOSITIVO PARAL A CONEXION DE UN SISTEMA MICROPROCESADOR DE 16 BITS CON MODULOS DE 8 BITS Y PUEDE EMPLEARSE EN LAS COMPUTADORAS DE 16 BITS Y EN LOS SISTEMAS MICROPROCESADORES. EL OBJETIVO ES CREAR UN PROCEDIMIENTO Y DISPOSITIVO PARA LA CONEXION DEL SISTEMA MICROPROCESADOR DE 16 BITS CON LOS MODULOS DE 8 BITS, LO QUE PERMITIRA REALIZAR LAS OPERACIONES DE SUSTITUCION DE BYTES Y PALABRAS. ESTO FACILITA LA CREACION DEL ASEGURAMIENTO DE PROGRAMAS (SOFTWARE), PORQUE EL TIPO DE INSTRUCCIONES A EMPLEAR NO SE LIMITA POR EL NUMERO DE DIGITOS POR PALABRAS DE LOS MODULOS. LA TAREA SE RESUELVE CREANDO UN PROCEDIMIENTO PARA LA CONEXION, MEDIANTE EL CUAL EL SISTEMA MICROPROCESADOR DE 16 BITS AL CAMBIARSE POR PALABRAS SE PONE EN ESTADO DE PROPOSICION, DURANTE LO CUAL SE REALIZAN DOS OPERACIONES DE REGISTRO O LECTURA. ESTO PERMITE, QUE AMBOS BYTES DE LA PALABRA SE REGISTREN SUCESIVAMENTE EN EL MOULO DE 8 BITS. AL LEER LA PALABRA EL BYTE PR IMERO SE REGISTRA EN UN REGISTRO ADICIONAL, Y EL SEGUNDO BYTE SE PASA DIRECTAMENTE DEL MODDULO DE 8 BITS Y AL FINAL DE LA SEGUNDA OPERACION EL SISTEMA MICROPROCESADOR DE 16 BITS CUENTA CON AMBOS BYTES (PALABRA). LA VENTAJA DE LA INVENCION CONSISTE EN QUE EL TIPO DE INSTRUCCION, A UTILIZAR POR EL SISTEMA MICROPROCESADOR DE 16 BITS NO DEPENDE DEL NUMERO DE DIGITOS POR PALABRA DE LOS MODULOS CON LOS CUALES ESTA COMUNICA. **FIGURA**\!THE INVENTION REFERS TO THE PROCEDURE AND PARAL DEVICE FOR CONNECTION OF A 16-BIT MICROPROCESSOR SYSTEM WITH 8-BIT MODULES AND MAY BE USED IN 16-BIT COMPUTERS AND IN MICROPROCESSOR SYSTEMS. THE OBJECTIVE IS TO CREATE A PROCEDURE AND DEVICE FOR THE CONNECTION OF THE 16-BIT MICROPROCESSOR SYSTEM WITH THE 8-BIT MODULES, WHICH WILL ALLOW THE PERFORMANCE OPERATIONS OF BYTES AND WORDS. THIS FACILITATES THE CREATION OF PROGRAM ASSURANCE (SOFTWARE), BECAUSE THE TYPE OF INSTRUCTIONS TO BE USED IS NOT LIMITED BY THE NUMBER OF DIGITS BY WORDS OF THE MODULES. THE TASK IS SOLVED BY CREATING A PROCEDURE FOR CONNECTION, THROUGH WHICH THE 16-BIT MICROPROCESSOR SYSTEM, WHEN CHANGED BY WORDS, PUT INTO A PROPOSED STATE, DURING WHICH TWO REGISTRATION OR READING OPERATIONS ARE PERFORMED. THIS ALLOWS BOTH BYTES OF THE WORD TO BE RECORDED SUCCESSIVELY IN THE 8-BIT MOULO. BY READING THE WORD THE BYTE PR IMERO IS REGISTERED IN AN ADDITIONAL REGISTRY, AND THE SECOND BYTE IS PASSED DIRECTLY FROM THE 8-BIT MODULE AND AT THE END OF THE SECOND OPERATION THE 16-BIT MICROPROCESSOR SYSTEM HAS BOTH BYTES (WORD). THE ADVANTAGE OF THE INVENTION IS THAT THE TYPE OF INSTRUCTION, TO BE USED BY THE 16-BIT MICROPROCESSOR SYSTEM, DOES NOT DEPEND ON THE NUMBER OF DIGITS PER WORD OF THE MODULES WITH WHICH IT IS COMMUNICATING. **FIGURE**\!

CU8523A 1984-05-08 1985-12-05 Procedure and device for the connection of a microprocessor system of 16 bits with modulus of 8 bits. CU21985A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BG8465418A BG44516A1 (en) 1984-05-08 1984-05-08 Device for connecting of 16- digits microprocessor system with 8- digits modules
DE19853545472 DE3545472A1 (en) 1984-05-08 1985-12-20 METHOD AND DEVICE FOR CONNECTING A 16-DIGIT MICROPROCESSOR SYSTEM TO 8-DIGIT MODULES

Publications (1)

Publication Number Publication Date
CU21985A1 true CU21985A1 (en) 1992-06-05

Family

ID=25663323

Family Applications (1)

Application Number Title Priority Date Filing Date
CU8523A CU21985A1 (en) 1984-05-08 1985-12-05 Procedure and device for the connection of a microprocessor system of 16 bits with modulus of 8 bits.

Country Status (4)

Country Link
BG (1) BG44516A1 (en)
CU (1) CU21985A1 (en)
DE (1) DE3545472A1 (en)
GB (1) GB2184574A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BG45007A1 (en) * 1987-03-19 1989-03-15 Khristo A Turlakov

Also Published As

Publication number Publication date
BG44516A1 (en) 1988-12-15
DE3545472A1 (en) 1987-07-23
GB2184574A (en) 1987-06-24
GB8531407D0 (en) 1986-02-05

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