Integrated High Performance Dual Uarts, Parallel Port And 5.0v Pci Interface

The OX16PCI952 is a single chip solution for PCI-based serial and parallel expansion add-in cards. It is a dual function device, offering IO or memory mapped access to the two ultra-high performance OX16C950 UARTs and the bi-directional parallel port. These functions are defined by Function 0 and Function 1, respectively. Serial port cards with 2 serial ports and a parallel port CAN be designed without redefining any device parameters. Each UART channel in the OX16PCI952 is the fastest available PC-compatible UART offering data rates up to 15Mbps and 128-byte deep transmitter and receiver FIFOs The deep FIFOs reduce CPU overhead and allow utilisation of higher data rates. Each UART channel is software compatible with the widely used industry-standard 16C550 devices and compatibles, as well as the OX16C95x family of high performance UARTs In addition to increased performance and FIFO size, the UARTs also provide the full set of OX16C95x enhanced features including automated in-band flow control, readable FIFO levels, etc. The parallel port is an IEEE 1284 compliant SPP, EPP and ECP parallel port that fully supports the existing Centronics Interface For legacy applications, the PCI resources have been arranged so that the parallel port CAN be located at standard I/O addresses By Unkown
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