UPI-452 CHMOS PROGRAMMABLE I O PROCESSOR 83C452 - 8K c 8 Mask Programmable Internal ROM 80C452 - External ROM EPROM Y 83C452 80C452 3 5 to 14 MHz Clock Rate Software Compatible with the MCS-51 Family 128-Byte Bi-Directional FIFO Slave Interface Two DMA Channels 256 c 8-Bit Internal RAM Y Y Y Y Two 16-Bit Timer Counters Boolean Processor Bit Addressable RAM 8 Interrupt Sources Programmable Full Duplex Serial Channel 64K Program Memory Space 64K Data Memory Space 68-Pin PGA and PLCC (See Packaging Spec Order 231369) Y Y Y Y Y Y Y Y 34 Additional Special Function Registers 40 Programmable I O Lines Y Y The Intel UPI-452 (Universal Peripheral Interface) is a 68 pin CHMOS Slave I O Pr...

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