DatasheetsPDF.com

UPD8255A-5

Part Number	UPD8255A-5
Manufacturer	NEC
Description	PROGRAMMABLE PERIPHERAL INTERFACES
Published	Feb 26, 2017
Detailed Description	NEe Microcomputers, Inc. NE'C fLPD8255 fLPD8255A·5 PROGRAMMABLE PERIPHERAL INTERFACES D ESCR I PTI ON The IlPD8255 a...
Datasheet	UPD8255A-5 PDF File

Overview

NEe Microcomputers, Inc.
NE'C fLPD8255 fLPD8255A·5 PROGRAMMABLE PERIPHERAL INTERFACES D ESCR I PTI ON The IlPD8255 and IlPD8255A-5 are general purpose programmable INPUT/OUTPUT devices designed for use with the 8080A/8085A microprocessors.
Twenty-four (24) I/O lines may be programmed in two groups of twelve (group I and group II) and used in three modes of operation.
In the Basic mode, (MODE 0), each group of twelve I/O pins may be programmed in sets of 4 to be iniJut or output.
In the Strobed mode, (MODE 1), each group may be programmed to have 8 lines of input or output.
Three of the remaining four pins in each group are used for handshaking strobes and interrupt control signals.
The B...

Similar Datasheet

Since 2006. D4U Semicon,
Electronic Components Datasheet Search Site. (Privacy Policy & Contact)