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 con- troller 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. Con- tents of the FIFO will be cleared after reset or setting the INIT pin to a low state. The auto FIFO operation starts after the first -ACK is received from the printer. Contents of the FIFO transfer to the printer at the printer loading speed. By Exar Corporation
ST78C34 's PackagesST78C34 's pdf datasheet
ST78C34CJ44 PLCC
ST78C34CP40 PDIP
ST78C34IJ44 PLCC
ST78C34IP40 PDIP




ST78C34 Pinout, Pinouts
ST78C34 pinout,Pin out
This is one package pinout of ST78C34,If you need more pinouts please download ST78C34's pdf datasheet.

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