UMC UM82C11-C overview
UMC UM82C11-C Printer Adapter Interface (PAI) The UM82C11-C, Printer Adapter Interface (PAI), fabricated with a silicon gate CMOS process, offers parallel port ...
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Manufactured byUMC
Product groupIntegrated Circuit
DescriptionUMC UM82C11-C Printer Adapter Interface (PAI)
OverviewThe UM82C11-C, Printer Adapter Interface (PAI), fabricated with a silicon gate CMOS process, offers parallel port interface between the CPU and the printer, and is especially suitable as a printer adapter for industry-standard personal computers.The UM82C11-C uses T T L logic to interface with the printer. Printer data bus pins can each source 2.6 mA and sink 24 mA. Each of the four printer control pins can source 1.5 mA and sink 7mA. The UM82C11-C fits the well-known Centronics printer interface.PAI is also suitable for a personal computer interface board which contains RS-232C interface or display interface. The on-chip oscillator and -HO divider can be used to offer the BAUD-rate clock w ith RS-232C interface or the dot clock w ith monochrome display interface.The user can use the Data Bus, IOR, IOW, IRQ, and CS to interface PAI w ith 8086 or Z-80 microprocessors.
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