Asynchronous Scsi Interface (asi)

The DP5380 ASI is a CMOS device designed to provide a low cost, high performance Small Computer Systems Inter- face. It complies with the ANS X3.131-1986 SCSI standard as defined by the ANSI X3T9.2 committee. It CAN act as both INITIATOR and TARGET, making it suitable for any application. The ASI supports selection, reselection, arbitra- tion and all other bus phases. High-current open-drain driv- ers on chip reduce application chip count by interfacing di- rect to the SCSI bus. An on-chip Oscillator provides all tim- ing delays. The DP5380 is pin and program compatible with the NMOS NCR5380 device. NCR5380 or AM5380 applications CAN use it with no changes to hardware or software. The DP5380 is available in a 40-pin DIP or a 44-pin PCC. The ASI is intended to be used in a Microprocessor based application, and achieves maximum performance with a DMA controller. The device is controlled by reading and writing several internal Registers A standard non-multi- plexed address and data bus easily fits any mP environment. Data transfers CAN be performed by programmed-I/O, pseu- do-DMA or via a DMA controller. The ASI easily Interfaces to a DMA controller using normal or Block Mode. The ASI CAN be used in either a polled or interrupt-driven environ- ment. By National Semiconductor Corporation
DP5380 's PackagesDP5380 's pdf datasheet

DP5380 Pinout, Pinouts
DP5380 pinout,Pin out
This is one package pinout of DP5380,If you need more pinouts please download DP5380's pdf datasheet.

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