JPS6437645A - Interface switching system - Google Patents

Interface switching system

Info

Publication number
JPS6437645A
JPS6437645A JP62193546A JP19354687A JPS6437645A JP S6437645 A JPS6437645 A JP S6437645A JP 62193546 A JP62193546 A JP 62193546A JP 19354687 A JP19354687 A JP 19354687A JP S6437645 A JPS6437645 A JP S6437645A
Authority
JP
Japan
Prior art keywords
sdlc
async
interface
bytes
microcontroller
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP62193546A
Other languages
Japanese (ja)
Inventor
Kenji Hara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yaskawa Electric Corp
Original Assignee
Yaskawa Electric Manufacturing Co Ltd
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 Yaskawa Electric Manufacturing Co Ltd filed Critical Yaskawa Electric Manufacturing Co Ltd
Priority to JP62193546A priority Critical patent/JPS6437645A/en
Publication of JPS6437645A publication Critical patent/JPS6437645A/en
Pending legal-status Critical Current

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
    • G06F13/382—Information transfer, e.g. on bus using universal interface adapter
    • G06F13/385—Information transfer, e.g. on bus using universal interface adapter for adaptation of a particular data processing system to different peripheral devices

Abstract

PURPOSE:To allow the titled system to correspond to both start-stop asynchronous (ASYNC) and SDLC systems only by replacing chips to a microcontroller by applying common hardware and software to a means similar to transmission control procedure. CONSTITUTION:When a MCS 51 is applied as a microcontroller 1, its families are 8051 and 8044, a difference based upon ASYNC or SDLC is applied to a serial port and also a difference is applied to the fact that an internal RAM is divided into 128 bytes for the ASYNC and 192 bytes for SDLC. Pins other than a serial port pin are used in common and the ROM external versions for both the ASYNC and SDLC are 8031 (1b interface) and 8344 (1a interface). At the time of ASYNC, A is used for transmission data and B is used for receiving data, and at the time of SDLC, A is used for both transmission and reception and B is not used.
JP62193546A 1987-08-01 1987-08-01 Interface switching system Pending JPS6437645A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62193546A JPS6437645A (en) 1987-08-01 1987-08-01 Interface switching system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62193546A JPS6437645A (en) 1987-08-01 1987-08-01 Interface switching system

Publications (1)

Publication Number Publication Date
JPS6437645A true JPS6437645A (en) 1989-02-08

Family

ID=16309866

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62193546A Pending JPS6437645A (en) 1987-08-01 1987-08-01 Interface switching system

Country Status (1)

Country Link
JP (1) JPS6437645A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8789868B1 (en) 2013-03-06 2014-07-29 Ford Global Technologies, Llc Luggage retention system
US8801073B1 (en) 2013-03-06 2014-08-12 Ford Global Technologies, Llc Luggage retention system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8789868B1 (en) 2013-03-06 2014-07-29 Ford Global Technologies, Llc Luggage retention system
US8801073B1 (en) 2013-03-06 2014-08-12 Ford Global Technologies, Llc Luggage retention system

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