JPS6439146A - Input/output control lsi with folding function - Google Patents

Input/output control lsi with folding function

Info

Publication number
JPS6439146A
JPS6439146A JP62195095A JP19509587A JPS6439146A JP S6439146 A JPS6439146 A JP S6439146A JP 62195095 A JP62195095 A JP 62195095A JP 19509587 A JP19509587 A JP 19509587A JP S6439146 A JPS6439146 A JP S6439146A
Authority
JP
Japan
Prior art keywords
folding test
folding
port
test data
sent
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
JP62195095A
Other languages
Japanese (ja)
Other versions
JPH0813040B2 (en
Inventor
Kiyobumi Mise
Ryoji Takano
Takashi Nara
Takashi Hatano
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP62195095A priority Critical patent/JPH0813040B2/en
Publication of JPS6439146A publication Critical patent/JPS6439146A/en
Publication of JPH0813040B2 publication Critical patent/JPH0813040B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Maintenance And Management Of Digital Transmission (AREA)
  • Small-Scale Networks (AREA)

Abstract

PURPOSE:To facilitate a folding test by providing a folding test instruction register, a command generating part and a selector to secure a folding function for the test data. CONSTITUTION:When a folding test instruction is received by a program mode part 7 from a central controller, a folding test command is sent to a folding test instruction register 17 and both receiving and transmitting commands are sent to a register group 19 from a command generating part 18. A selector 20 changes the connection routes to secure connection between a buffer T port 11 and a buffer R port 15. Then the transfer is started for folding test data received via a common bus interface 5. The folding test data stored in the port 11 via a DMA mode part 10 is transferred to the port 15. Furthermore the folding test data is sent to the central controller via the part 10 and the interface 5.
JP62195095A 1987-08-04 1987-08-04 I / O control LSI with folding function Expired - Lifetime JPH0813040B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62195095A JPH0813040B2 (en) 1987-08-04 1987-08-04 I / O control LSI with folding function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62195095A JPH0813040B2 (en) 1987-08-04 1987-08-04 I / O control LSI with folding function

Publications (2)

Publication Number Publication Date
JPS6439146A true JPS6439146A (en) 1989-02-09
JPH0813040B2 JPH0813040B2 (en) 1996-02-07

Family

ID=16335443

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62195095A Expired - Lifetime JPH0813040B2 (en) 1987-08-04 1987-08-04 I / O control LSI with folding function

Country Status (1)

Country Link
JP (1) JPH0813040B2 (en)

Also Published As

Publication number Publication date
JPH0813040B2 (en) 1996-02-07

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