• Part: MC146823
  • Manufacturer: Motorola Semiconductor
  • Size: 614.13 KB
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MC146823 Description

® MOTOROLA MC146823 Advance Information CMOS PARALLEL INTERFACE CMOS IHIGH-DENSITY HIGH-PERFORMANCE SILICON-GATE) PARALLEL INTERFACE The MC146823 CMOS parallel interface (CPI) provides a universal means of interfacing external signals with the MC146805E2 CMOS microprocessor and other multiplexed bus microprocessors. The unique MOTEL circuit on-chip allows direct interfacing to most industry CMOS microprocessors, as...

MC146823 Key Features

  • 24 Individually Programmed 1/0 Pins
  • MOTEL Circuit for Bus patibility with Many Microprocessors
  • Multiplexed Bus patibility with: MC146805E2, MC6801, MC6803, and petitive Microprocessors
  • Data Direction Registers for Ports A, B, and C
  • 15 Registers Addressed as Memory Locations
  • Handshake Control Logic for Input and Output Peripheral Operation
  • Interrupt Output Pin
  • Reset Input to Clear Interrupts and Initialize Internal Registers
  • 3.0 Volt to 5.5 Volt Operating VDD
  • P Suffix Ceramic ISide Brazed)