Flexible system interface ASIC for FDDI adapter

Author

Venkataraman, Raman

Author_Institution

National Semiconductor Corp., South Portland, ME, USA

fYear

1993

fDate

23-26 Mar 1993

Firstpage

127

Lastpage

133

Abstract

The author presents a flexible system interface (FlexSi) application specific IC (ASIC) architecture to address the system bus bandwidth utilization and bus latency issues in fiber distributed data interface (FDDI) adapter design. The proposed ASIC is intended to be used in conjunction with National´s FDDE chip set BSI-2 or MACSI. A learning model in the ASIC architecture understands the parameters associated with the data structures in the host memory by snooping the bus transactions on the BSI-2 device. Using the learned parameters, the ASIC implements a memory management scheme to provide transparent memory mapping between the host memory and the local frame buffer memory. The modularity and microcode control structure provide the flexibility to customize the ASIC to interface various system buses and achieve data structure transformations

Keywords

FDDI; application specific integrated circuits; buffer storage; data structures; storage management; system buses; FDDE chip set BSI-2; FDDI adapter; FlexSi; MACSI; bus latency; data structures; fiber distributed data interface; flexible system interface ASIC; host memory; learning model; local frame buffer memory; memory management scheme; microcode control; modularity; system bus bandwidth utilization; Application software; Application specific integrated circuits; Bandwidth; Data structures; Delay; FDDI; Memory management; Protocols; Surface-mount technology; System buses;

fLanguage

English

Publisher

ieee

Conference_Titel

Computers and Communications, 1993., Twelfth Annual International Phoenix Conference on

Conference_Location

Tempe, AZ

Print_ISBN

0-7803-0922-7

Type

conf

DOI

10.1109/PCCC.1993.344474

Filename

344474