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UPD8255 - PROGRAMMABLE PERIPHERAL INTERFACES

The UPD8255 by NEC is a PROGRAMMABLE PERIPHERAL INTERFACES. Below is the official datasheet preview.

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Official preview page of the UPD8255 PROGRAMMABLE PERIPHERAL INTERFACES datasheet (NEC).

Datasheet Details

Part number UPD8255
Manufacturer NEC
File Size 374.28 KB
Description PROGRAMMABLE PERIPHERAL INTERFACES
Datasheet download datasheet UPD8255-NEC.pdf
Additional preview pages of the UPD8255 datasheet.

UPD8255 Product details

Description

Data Bus Buffer The 3-state, bidirectional, eight bit Data Bus Buffer (DO-D71 of the .uPD8255 and .uPD8255A-5 can be directly interfaced to the processor's system Data Bus (DO-D7)The Data Bus Buffer is controlled by execution of IN and OUT instructions by the processor.Control Words and Status information are also transmitted via the Data Bus Buffer.Read/Write and Control Logic This block manages all of the internal and external transfers of Data, Control and Status.Through this block, the

Features

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