The Intel UPI-452 (Universal Peripheral Interface) is a 68 pin CHMOS Slave I/O Processor with a sophisticated bi-directional FIFO buffer interface on the slave bus and a two channel DMA processor on-chip. The UPI-452 is the newest member of Intel's UPI family of products. It is a general-purpose slave I/O Processor that allows the designer to grow a customized interface solution.
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