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UPD8255 Datasheet PROGRAMMABLE PERIPHERAL INTERFACES

Manufacturer: NEC (now Renesas Electronics)

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.

Key Features

  • unique to each of the ports. Port A = An 8-bit data output latch/buffer and data input latch. Port B = An 8-bit data input/output latch/buffer and an 8-bit data input buffer.