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80CL31 - Low-voltage single-chip 8-bit microcontrollers

Key Features

  • Full static 80C51 CPU.
  • 8-bit CPU, ROM, RAM, 1/0 in a single 40-lead DIL / mini-pack.
  • 4K x 8 ROM, expandable externally to 64K bytes.
  • 128 bytes RAM, expandable externally to 64K bytes.
  • Four 8-bit ports, 321/0 lines.
  • Two 16-bit timer / event counters.
  • External memory expandable up to 128K, external ROM up to 64K and / or RAM up to 64K.
  • On-chip oscillator suitable for RC, LC, quartz crystal or ceramic resonator.
  • Thirt.

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Other Datasheets by Philips Semiconductors (now NXP Semiconductors)

Part Number Description
80CL410 Low voltage/low power single-chip 8-bit microcontroller
80CL51 Low-voltage single-chip 8-bit microcontrollers
80C32-16 CMOS Single-Chip 8-Bit Microcontroller
80C52 CMOS Single-Chip 8-Bit Microcontroller
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Philips Semiconductors Low-voltage single-chip 8-bit microcontrollers Product specification 80CL31/80CL51 FEATURES • Full static 80C51 CPU • 8-bit CPU, ROM, RAM, 1/0 in a single 40-lead DIL / mini-pack • 4K x 8 ROM, expandable externally to 64K bytes • 128 bytes RAM, expandable externally to 64K bytes • Four 8-bit ports, 321/0 lines • Two 16-bit timer / event counters • External memory expandable up to 128K, external ROM up to 64K and / or RAM up to 64K • On-chip oscillator suitable for RC, LC, quartz crystal or ceramic resonator • Thirteen source, thirteen vector interrupt structure with two priority levels • Full duplex serial port (UART) • Enhanced architecture with: – non-page oriented instructions – direct addressing – four eight byte RAM register banks – stack depth up to 128 bytes