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80CL51 - Low-voltage single-chip 8-bit microcontrollers

Download the 80CL51 datasheet PDF. This datasheet also covers the 80CL31 variant, as both devices belong to the same low-voltage single-chip 8-bit microcontrollers family and are provided as variant models within a single manufacturer datasheet.

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.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (80CL31-Philips.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Philips Semiconductors (now NXP Semiconductors)

Part Number Description
80CL31 Low-voltage single-chip 8-bit microcontrollers
80CL410 Low voltage/low power single-chip 8-bit microcontroller
80C32-16 CMOS Single-Chip 8-Bit Microcontroller
80C52 CMOS Single-Chip 8-Bit Microcontroller
80C52-16 CMOS Single-Chip 8-Bit Microcontroller

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
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