Intel 8289
The Intel 8289 is a bus arbiter chip , which for the Intel 8086 / 8087 / 8088 / 8089 processors has been developed. The module is supplied in a 20-pin DIL housing . He was u. a. licensed to NEC and Siemens .
If the 8086 (and also the 8088) are operated in maximum mode , they are primarily configured for multiprocessor operation. The control lines required in this case are provided by the 8289. Its successor is the 82289 .
Literature and data sheets
- Jim Nadir: Designing 8086, 8088, 8089 Multiprocessing System With The 8289 Bus Arbiter , Application Note (AP-51), March 1979, Intel Corporation.
- Josef Koller: 16 Bit Microcomputer , 1st edition, Hofacker Verlag, Munich 1981, ISBN 3-921682-80-0 , chap. 4.2.4 "Bus Arbiter 8289", pp. 213-226.
- NEC Electronics (Europe) GmbH, 1982 Catalog, pp. 737-744.
- Intel Datasheet: 8289 Bus Arbiter