JPS6459415A - Multiplexing interface control circuit - Google Patents
Multiplexing interface control circuitInfo
- Publication number
- JPS6459415A JPS6459415A JP21612687A JP21612687A JPS6459415A JP S6459415 A JPS6459415 A JP S6459415A JP 21612687 A JP21612687 A JP 21612687A JP 21612687 A JP21612687 A JP 21612687A JP S6459415 A JPS6459415 A JP S6459415A
- Authority
- JP
- Japan
- Prior art keywords
- interface control
- circuit
- clock
- interface
- control circuits
- 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
Links
Abstract
PURPOSE:To optimumly hold the efficiency of a circuit of a device connected by only selecting an interface circuit, by providing plural interface control circuit which are multiplexed. CONSTITUTION:The output from an internal circuit 11 is outputted to a common bus through plural interface control circuits 121-12n which are fractionated to an optimum speed corresponding to the kind of a connecting device. Subsequently, these interface control circuits 121-12n are selected by putting the set information into a selector 13. As for a fundamental clock for operating the interface control circuits 121-12n in this case, there are that which is supplied a clock 14 for controlling the whole system from the outside, and that which is supplied the clock 14 from an internal clock generating part 15. This selection is executed by both transmitting and receiving sides and connected. In such a way, in an operating speed of both interface circuits, the most satisfactory operation efficiency is obtained.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21612687A JPS6459415A (en) | 1987-08-29 | 1987-08-29 | Multiplexing interface control circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21612687A JPS6459415A (en) | 1987-08-29 | 1987-08-29 | Multiplexing interface control circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6459415A true JPS6459415A (en) | 1989-03-07 |
Family
ID=16683666
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP21612687A Pending JPS6459415A (en) | 1987-08-29 | 1987-08-29 | Multiplexing interface control circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6459415A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1991016676A1 (en) * | 1990-04-17 | 1991-10-31 | Seiko Epson Corporation | Personal computer |
JP2008040873A (en) * | 2006-08-08 | 2008-02-21 | Ricoh Co Ltd | Data speed conversion integrated circuit and image forming apparatus |
-
1987
- 1987-08-29 JP JP21612687A patent/JPS6459415A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1991016676A1 (en) * | 1990-04-17 | 1991-10-31 | Seiko Epson Corporation | Personal computer |
JP2008040873A (en) * | 2006-08-08 | 2008-02-21 | Ricoh Co Ltd | Data speed conversion integrated circuit and image forming apparatus |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0251646A3 (en) | Audio production console | |
EP0322901A3 (en) | Semiconductor integrated circuit | |
KR900004252B1 (en) | Semiconductor integrated circuit | |
EP0292099A3 (en) | Clock scheme for vlsi systems | |
KR920700356A (en) | Work Automation System of Hydraulic Drive Machine | |
RO81978B (en) | Process and electronic device for controlling the shunting of a hydrodynamic couple converter | |
JPS6459415A (en) | Multiplexing interface control circuit | |
EP0255580A3 (en) | Electrical lighting system with telecontrolled light sources | |
JPS54116812A (en) | Network driving system | |
ATE186408T1 (en) | BUFFER CIRCUIT ARRANGE ON AN ASSEMBLY | |
GB8421095D0 (en) | Voice generating devices | |
JP3125682B2 (en) | Clock supply system and clock supply system | |
EP0117357A3 (en) | Digital signal composing circuits | |
KR860001366A (en) | IC device | |
JPS5748153A (en) | Picture element density converting system | |
JPS5337A (en) | Control system for input/output unit | |
DE69123717D1 (en) | SWITCHING DEVICE | |
JPS6473856A (en) | Telecontroller | |
MY133020A (en) | Method and circuit arrangement for transmitting signals | |
CA1212454A (en) | Signal processing device | |
JPS5640936A (en) | Initial diagnosis system for multiplex bus constitution system | |
SU750468A1 (en) | Pulse synchronising device | |
JPS5391639A (en) | Power supply system in i/o interface circuit | |
JPS544313A (en) | Speed control system of alternating current motor | |
JPS6430350A (en) | Polyspeed switching system |