JPS5676842A - Asynchronous data transfer system - Google Patents

Asynchronous data transfer system

Info

Publication number
JPS5676842A
JPS5676842A JP15330479A JP15330479A JPS5676842A JP S5676842 A JPS5676842 A JP S5676842A JP 15330479 A JP15330479 A JP 15330479A JP 15330479 A JP15330479 A JP 15330479A JP S5676842 A JPS5676842 A JP S5676842A
Authority
JP
Japan
Prior art keywords
data
writing
signal
ram
reading
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.)
Granted
Application number
JP15330479A
Other languages
Japanese (ja)
Other versions
JPS633335B2 (en
Inventor
Hiroyuki Moriide
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP15330479A priority Critical patent/JPS5676842A/en
Publication of JPS5676842A publication Critical patent/JPS5676842A/en
Publication of JPS633335B2 publication Critical patent/JPS633335B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To realize an asynchronous reading to the transmission state of data for the data group which is transmitted continuously or intermittently, by connecting the RAM having three memory regions for writing, temporary storage and reading each between the data transmission and reception circuits.
CONSTITUTION: The RAM having three memory regions for writing, temporary storage and reading is connected between the data transmission and reception circuits SEND and RCV. The writing of data into the RAM is performed by converting the asynchronous writing signal WRT produced after preparation of both the transmission address signal AST and the writing data DWRT into the writing signal synchronized with the data writing synchronous signal T3 through the synchronous circuit SINC. On the other hand, the circuit RCV gives the signal to the RAM and then reads the data in synchronization with the data reading synchronous signal T2. Thus the data group transmitted continuously or intermittently can be read asynchronously to the transmission state of data.
COPYRIGHT: (C)1981,JPO&Japio
JP15330479A 1979-11-27 1979-11-27 Asynchronous data transfer system Granted JPS5676842A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15330479A JPS5676842A (en) 1979-11-27 1979-11-27 Asynchronous data transfer system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15330479A JPS5676842A (en) 1979-11-27 1979-11-27 Asynchronous data transfer system

Publications (2)

Publication Number Publication Date
JPS5676842A true JPS5676842A (en) 1981-06-24
JPS633335B2 JPS633335B2 (en) 1988-01-22

Family

ID=15559547

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15330479A Granted JPS5676842A (en) 1979-11-27 1979-11-27 Asynchronous data transfer system

Country Status (1)

Country Link
JP (1) JPS5676842A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5985161A (en) * 1982-04-08 1984-05-17 シ−メンス・アクチエンゲゼルシヤフト Data transmitter
JPS60194817A (en) * 1984-03-16 1985-10-03 Sony Corp Digital signal processor

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6395528U (en) * 1986-12-11 1988-06-20
JPH03119331U (en) * 1990-03-14 1991-12-09

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5166742A (en) * 1974-12-06 1976-06-09 Hitachi Ltd DEETABATSUFUASEIGYO SOCHI

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5166742A (en) * 1974-12-06 1976-06-09 Hitachi Ltd DEETABATSUFUASEIGYO SOCHI

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5985161A (en) * 1982-04-08 1984-05-17 シ−メンス・アクチエンゲゼルシヤフト Data transmitter
JPS60194817A (en) * 1984-03-16 1985-10-03 Sony Corp Digital signal processor

Also Published As

Publication number Publication date
JPS633335B2 (en) 1988-01-22

Similar Documents

Publication Publication Date Title
JPS56161734A (en) Interface device for pcm signal
JPH0290739A (en) Frame alignment system
JPS5563166A (en) Continuous transmission system for picture information
JPS55110448A (en) Digital signal transmission system
JPS5676842A (en) Asynchronous data transfer system
JPS5476034A (en) Bus data transfer system
JPS5591022A (en) Interpolation system for character pattern
JPS5470742A (en) Data bus control system
JPS5593372A (en) Multiple address unit such as facsimile and the like
JPS5434602A (en) Holding system for bit synchronization
JPS5335442A (en) Transmission and reception method and unit for address signal
JPS52128001A (en) Automatic address adding system
JPS574634A (en) Information transfer system
EP0344736A3 (en) High-speed synchronous data transfer system
JPS55158757A (en) Information exchanging system
JPS54125904A (en) Interface circuit system for digital multiple lines suited to time-dividion exchange
JPS63316950A (en) Data communication system
JPS55109056A (en) Data process system
JPS5477041A (en) Data transfer system between computer and input-output terminal equipment
JPS556907A (en) Nonsynchronous 4-phase modulation system
JPS54104247A (en) Information processing system
JPS52122033A (en) Picture such as facsimile etc. signal accumulation and its unit
JPS53114620A (en) Data transfer control system
JPS5235924A (en) Memory system
JPS5361930A (en) Synchronization system for non-synchronous signal