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TSC87251G2D - 8/16-bit Microcontroller

Download the TSC87251G2D datasheet PDF. This datasheet also covers the TSC80251G2D variant, as both devices belong to the same 8/16-bit microcontroller family and are provided as variant models within a single manufacturer datasheet.

General Description

The TSC80251G2D products are derivatives of the Atmel Microcontroller family based on the 8/16-bit C251 Architecture.

Key Features

  • Pin and Software Compatibility with Standard 80C51 Products and 80C51Fx/Rx/Rx+ Plug-In Replacement of Intel’s 8xC251Sx C251 Core: Intel’s MCS®251 D-step Compliance 40-byte Register File Registers Accessible as Bytes, Words or Dwor.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (TSC80251G2D-Atmel.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Atmel (now Microchip Technology)

Part Number Description
TSC80251G2D 8/16-bit Microcontroller
TSC83251G2D 8/16-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 • • • • • • • • • • • • • • • • • • • • • • • • • • • Pin and Software Compatibility with Standard 80C51 Products and 80C51Fx/Rx/Rx+ Plug-In Replacement of Intel’s 8xC251Sx C251 Core: Intel’s MCS®251 D-step Compliance 40-byte Register File Registers Accessible as Bytes, Words or Dwords Three-stage Instruction Pipeline 16-bit Internal Code Fetch Enriched C51 Instruction Set 16-bit and 32-bit ALU Compare and Conditional Jump Instructions Expanded Set of Move Instructions Linear Addressing 1 Kbyte of On-Chip RAM External Memory Space (Code/Data) Programmable from 64 kilobytes to 256 kilobytes TSC87251G2D: 32 kilobytes of On-Chip EPROM/OTPROM – SINGLE PULSE Programming Algorithm TSC83251G2D: 32 kilobytes of On-Chip Masked ROM TSC80251G2D: ROMless Version Four 8-bit Parallel I/O Ports