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ST78C34

Exar Corporation
Part Number ST78C34
Manufacturer Exar Corporation
Description GENERAL PURPOSE PARALLEL PRINTER PORT WITH 83 BYTE FIFO
Published Aug 28, 2006
Detailed Description com ST78C34 GENERAL PURPOSE PARALLEL PRINTER PORT WITH 83 BYTE FIFO DESCRIPTION The ST78C34 is a monol...
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ST78C34
ST78C34

Overview
com ST78C34 GENERAL PURPOSE PARALLEL PRINTER PORT WITH 83 BYTE FIFO DESCRIPTION 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 operation can be enabled or disabled.
For CENTRONICS printer operation, all registers are mapped to IBM printer port registers.
The ST78C34 is designed to operate as normal printer interface without any additional settings.
Contents of the FIFO will be cleared after reset or setting the INIT pin to a low s...


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