ST78C34 Datasheet (Exar Corporation) - GENERAL PURPOSE PARALLEL PRINTER PORT WITH 83 BYTE FIFO

ST78C34, GENERAL PURPOSE PARALLEL PRINTER PORT WITH 83 BYTE FIFO

The ST78C34 is a monolithic Bidirectional Parallel port designed to operate as a general purpose I/O port.

It contains all the necessary input/output signals to be configured as a CENTRONICS printer port.

The ST78C34 is a general purpose input/output controller with 83 byte internal FIFO.

FIFO opera

ST78C34 Features

* 83 bytes of printer output FIFO

* Bi-directional software parallel port

* Bi-directional I/O ports

* Register compatible to IBM XT, AT, compatible 386, 486

* Selectable interrupt polarity

* Selectable FIFO interrupts ORDERING INFORMATION Part number Pin Package Operating t