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T85C5121 - 8-bit Microcontroller

This page provides the datasheet information for the T85C5121, a member of the T83C 8-bit Microcontroller family.

Datasheet Summary

Description

T8xC5121 is a high performance CMOS ROM/CRAM derivative of the 80C51 CMOS single chip 8-bit microcontrollers.

Features

  • 80C51 Core.
  • 12 or 6 Clocks per Instruction (X1 and X2 Modes).
  • 256 Bytes Scratchpad RAM.
  • Dual Data Pointer.
  • Two 16-bit Timer/Counters: T0 and T1 T83C5121 with 16 Kbytes Mask ROM T85C5121 with 16 Kbytes Code RAM T89C5121 with 16 Kbytes Code RAM and 16 Kbytes EEPROM On-chip Expanded RAM (XRAM): 256 Bytes Versatile Host Serial Interface.
  • Full-duplex Enhanced UART (EUART) with Dedicated Baud Rate Generator (BRG): Most Standard Speeds up to 230K b.

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Datasheet preview – T85C5121

Datasheet Details

Part number T85C5121
Manufacturer ATMEL Corporation
File Size 864.85 KB
Description 8-bit Microcontroller
Datasheet download datasheet T85C5121 Datasheet
Additional preview pages of the T85C5121 datasheet.

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    Full PDF Text Transcription

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    Features • 80C51 Core – 12 or 6 Clocks per Instruction (X1 and X2 Modes) – 256 Bytes Scratchpad RAM – Dual Data Pointer – Two 16-bit Timer/Counters: T0 and T1 T83C5121 with 16 Kbytes Mask ROM T85C5121 with 16 Kbytes Code RAM T89C5121 with 16 Kbytes Code RAM and 16 Kbytes EEPROM On-chip Expanded RAM (XRAM): 256 Bytes Versatile Host Serial Interface – Full-duplex Enhanced UART (EUART) with Dedicated Baud Rate Generator (BRG): Most Standard Speeds up to 230K bits/s at 7.36 MHz – Output Enable Input – Multiple Logic Level Shifters Options (1.8V to V CC) – Automatic Level Shifter Option Multi-protocol Smart Card Interface – Certified with Dedicated Firmware According to ISO 7816, EMV2000, GIE-CB, GSM 11.
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