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T89C51RC2 - (T89C51RB2/RC2) 8-bit Microcontroller with 16 Kbytes/ 32 Kbytes FLASH

Download the T89C51RC2 datasheet PDF. This datasheet also covers the T89C51RB2 variant, as both devices belong to the same (t89c51rb2/rc2) 8-bit microcontroller with 16 kbytes/ 32 kbytes flash family and are provided as variant models within a single manufacturer datasheet.

General Description

T89C51RB2/RC2 is a high-performance FLASH version of the 80C51 8-bit microcontrollers.

It contains a 16K or 32K byte Flash memory block for program and data.

The Flash memory can be programmed either in parallel mode or in serial mode with the ISP capability or with software.

Key Features

  • 80C52 Compatible.
  • 8051 Pin and Instruction Compatible.
  • Four 8-bit I/O Ports.
  • Three 16-bit timer/counters.
  • 256 Bytes Scratch Pad RAM.
  • 10 Interrupt Sources with 4 Priority Levels.
  • Dual Data Pointer Variable Length MOVX for slow RAM/Peripherals ISP (In-System Programming) using Standard VCC Power Supply Boot ROM Contains Low Level FLASH Programming Routines and a Default Serial Loader High-Speed Architecture.
  • 40 MHz in Standar.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (T89C51RB2_ATMELCorporation.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Atmel (now Microchip Technology)

Part Number Description
T89C51RB2 (T89C51RB2/RC2) 8-bit Microcontroller with 16 Kbytes/ 32 Kbytes FLASH
T89C51RD2 0 to 40MHz Flash Programmable 8-bit Microcontroller
T89C5115 Low Pin Count 8-bit Microcontroller
T89C5121 8-bit Microcontroller
T89C51AC2 Enhanced 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 • 80C52 Compatible – 8051 Pin and Instruction Compatible – Four 8-bit I/O Ports – Three 16-bit timer/counters – 256 Bytes Scratch Pad RAM – 10 Interrupt Sources with 4 Priority Levels – Dual Data Pointer Variable Length MOVX for slow RAM/Peripherals ISP (In-System Programming) using Standard VCC Power Supply Boot ROM Contains Low Level FLASH Programming Routines and a Default Serial Loader High-Speed Architecture – 40 MHz in Standard Mode – 20 MHz in X2 Mode (6 clocks/machine cycle) 16K/32K Bytes on-chip FLASH Program/Data Memory – Byte and Page (128 Bytes) Erase and Write – 10k Write Cycles On-chip 1024 Bytes Expanded RAM (XRAM) – Software Selectable Size (0, 256, 512, 768, 1024 bytes) – 256 Bytes Selected at Reset for TS87C51RB2/RC2 Compatibility Keyboard Interrupt Interface on