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AT89C5121 Dataheets PDF



Part Number AT89C5121
Manufacturers ATMEL Corporation
Logo ATMEL Corporation
Description 8-bit Microcontroller
Datasheet AT89C5121 DatasheetAT89C5121 Datasheet (PDF)

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.

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