Download W78C31B Datasheet PDF
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W78C31B Description

The W78C31B microcontroller supplies a wider frequency range than most 8-bit microcontrollers on the market. It is patible with the industry standard 80C31 microcontroller series. The W78C31B contains four 8-bit bidirectional parallel ports, two 16-bit timer/counters, and a serial port.

W78C31B Key Features

  • 8-bit CMOS microcontroller
  • Fully static design
  • Low standby current at full supply voltage
  • DC-40 MHz operation
  • 128 bytes of on-chip scratchpad RAM
  • ROMless operation
  • 64K bytes program memory address space
  • 64K bytes data memory address space
  • Four 8-bit bidirectional ports
  • Two 16-bit timer/counters