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AT80C52X2 - 8-bit Microcontroller

Download the AT80C52X2 datasheet PDF. This datasheet also covers the AT80C32X2 variant, as both devices belong to the same 8-bit microcontroller family and are provided as variant models within a single manufacturer datasheet.

Key Features

  • 80C52 Compatible.
  • 8051 Pin and Instruction Compatible.
  • Four 8-bit I/O Ports.
  • Three 16-bit Timer/Counters.
  • 256 Bytes Scratchpad RAM.
  • High-speed Architecture.
  • 40 MHz at 5V, 30 MHz at 3V.
  • X2 Speed Improvement Capability (6 Clocks/Machine Cycle).
  • 30 MHz at 5V, 20 MHz at 3V (Equivalent to 60 MHz at 5V, 40 MHz at 3V).
  • Dual Data Pointer.
  • On-chip ROM/EPROM (8Kbytes).
  • Programmable Clock Out and Up.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (AT80C32X2-ATMEL.pdf) that lists specifications for multiple related part numbers.

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AT80C31X2 8-bit CMOS Microcontroller ATMEL Corporation
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Other Datasheets by Atmel (now Microchip Technology)

Part Number Description
AT80C51RD2 80C51 High Performance ROM 8-bit Microcontroller
AT80C32X2 8-bit Microcontroller
AT80251G2D 8/16-bit Microcontroller
AT83251G2D 8/16-bit Microcontroller
AT83C22OK Smart Card Interface Compliant

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
Features • 80C52 Compatible – 8051 Pin and Instruction Compatible – Four 8-bit I/O Ports – Three 16-bit Timer/Counters – 256 Bytes Scratchpad RAM • High-speed Architecture • 40 MHz at 5V, 30 MHz at 3V • X2 Speed Improvement Capability (6 Clocks/Machine Cycle) – 30 MHz at 5V, 20 MHz at 3V (Equivalent to 60 MHz at 5V, 40 MHz at 3V) • Dual Data Pointer • On-chip ROM/EPROM (8Kbytes) • Programmable Clock Out and Up/Down Timer/Counter 2 • Asynchronous Port Reset • Interrupt Structure with – 6 Interrupt Sources – 4 Level Priority Interrupt System • Full Duplex Enhanced UART – Framing Error Detection – Automatic Address Recognition • Low EMI (Inhibit ALE) • Power Control Modes – Idle Mode – Power-down Mode – Power-off Flag • Once Mode (On-chip Emulation) • Power Supply: 4.5 - 5.5V, 2.7 - 5.