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AT89C5131 - 8-bit Flash Microcontroller

Download the AT89C5131 datasheet PDF. This datasheet also covers the AT89 variant, as both devices belong to the same 8-bit flash microcontroller family and are provided as variant models within a single manufacturer datasheet.

Key Features

  • 80C52X2 Core (6 Clocks per Instruction).
  • Maximum Core Frequency 48 MHz in X1 Mode, 24MHz in X2 Mode.
  • Dual Data Pointer.
  • Full-duplex Enhanced UART (EUART).
  • Three 16-bit Timer/Counters: T0, T1 and T2.
  • 256 Bytes of Scratchpad RAM.
  • 32-Kbyte On-chip Flash In-System Programming through USB or UART.
  • 4-Kbyte EEPROM for Boot (3-Kbyte) and Data (1-Kbyte).
  • On-chip Expanded RAM (ERAM): 1024 Bytes.
  • USB 1.1 and 2.0 Full.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (AT89-C5131.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

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Other Datasheets by Atmel (now Microchip Technology)

Part Number Description
AT89C5131A USB Microcontrollers
AT89C5131A-M 8-bit Flash Microcontroller
AT89C5130A-M 8-bit Flash Microcontroller
AT89C5132 (AT83C5132 / AT89C5132) Usb C51-based Microcontroller
AT89C5115 Low Pin Countl 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 • 80C52X2 Core (6 Clocks per Instruction) – Maximum Core Frequency 48 MHz in X1 Mode, 24MHz in X2 Mode – Dual Data Pointer – Full-duplex Enhanced UART (EUART) – Three 16-bit Timer/Counters: T0, T1 and T2 – 256 Bytes of Scratchpad RAM • 32-Kbyte On-chip Flash In-System Programming through USB or UART • 4-Kbyte EEPROM for Boot (3-Kbyte) and Data (1-Kbyte) • On-chip Expanded RAM (ERAM): 1024 Bytes • USB 1.1 and 2.