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AT83C5112 - 8-bit Microcontroller with A/D Converter

Download the AT83C5112 datasheet PDF. This datasheet also covers the AT8 variant, as both devices belong to the same 8-bit microcontroller with a/d converter family and are provided as variant models within a single manufacturer datasheet.

General Description

The AT8xC5112 is a high performance ROM/OTP version of the 80C51 8-bit microcontroller.

Key Features

  • 80C51 Compatible.
  • Five I/O Ports.
  • Two 16-bit Timer/Counters.
  • 256 Bytes RAM 8K Bytes ROM/OTP Program Memory with 64 Bytes Encryption Array and 3 Security Levels High-Speed Architecture.
  • 33 MHz at 5V (66 MHz Equivalent).
  • X2 Speed Improvement Capability (6 Clocks/Machine Cycle) 10-bit, 8 Channels A/D Converter Hardware Watchdog Timer with Reset-out Programmable I/O Mode: Standard C51, Input Only, Push-pull, Open Drain Asynchronous Port Reset Fu.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (AT8-3C5.pdf) that lists specifications for multiple related part numbers.

Other Datasheets by Atmel (now Microchip Technology)

Part Number Description
AT83C5103 Low-pin Count 8-bit Microcontroller
AT83C5121 8-bit Microcontroller
AT83C5122 Smart Card Reader ICs
AT83C5122 (AT8xx512x) Smart Card Reader ICs
AT83C5123 Smart Card Reader ICs
AT83C5123 (AT8xx512x) Smart Card Reader ICs
AT83C5127 MICROCONTROLLER
AT83C5132 (AT83C5132 / AT89C5132) Usb C51-based Microcontroller
AT83C5134 8-bit Microcontroller
AT83C5135 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
Features • 80C51 Compatible – Five I/O Ports – Two 16-bit Timer/Counters – 256 Bytes RAM 8K Bytes ROM/OTP Program Memory with 64 Bytes Encryption Array and 3 Security Levels High-Speed Architecture – 33 MHz at 5V (66 MHz Equivalent) – X2 Speed Improvement Capability (6 Clocks/Machine Cycle) 10-bit, 8 Channels A/D Converter Hardware Watchdog Timer with Reset-out Programmable I/O Mode: Standard C51, Input Only, Push-pull, Open Drain Asynchronous Port Reset Full Duplex Enhanced UART with Baud Rate Generator SPI, Master Mode Dual System Clock – Crystal or Ceramic Oscillator (33/40 MHz) – Internal RC Oscillator (12 MHz) – Programmable Prescaler Programmable Counter Array with High-speed Output, Compare/Capture, Pulse Width Modulation and Watchdog Timer Capabilities Interrupt Structure – 8 Inter