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AT89LP828 - 8-bit Microcontroller

This page provides the datasheet information for the AT89LP828, a member of the AT89LP428 8-bit Microcontroller family.

Description

Table 1-1.

Pin Number TQFP /MLF PLCC PDIP Symbol Type I/O O 1 5 5 P4.1 O I/O Description P4.1: User-configurable I/O Port 4 bit 1.

XTAL2: Output from inverting oscillator amplifier.

Features

  • 8-bit Microcontroller Compatible with MCS®51 Products.
  • Enhanced 8051 Architecture.
  • Single-clock Cycle per Byte Fetch.
  • Up to 20 MIPS Throughput at 20 MHz Clock Frequency.
  • Fully Static Operation: 0 Hz to 20 MHz.
  • On-chip 2-cycle Hardware Multiplier.
  • 256 x 8 Internal RAM.
  • 512 x 8 Internal Extra RAM.
  • Dual Data Pointers.
  • 4-level Interrupt Priority Nonvolatile Program and Data Memory.
  • 4K/8K Bytes of In-S.

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Features • 8-bit Microcontroller Compatible with MCS®51 Products • Enhanced 8051 Architecture – Single-clock Cycle per Byte Fetch – Up to 20 MIPS Throughput at 20 MHz Clock Frequency – Fully Static Operation: 0 Hz to 20 MHz – On-chip 2-cycle Hardware Multiplier – 256 x 8 Internal RAM – 512 x 8 Internal Extra RAM – Dual Data Pointers – 4-level Interrupt Priority Nonvolatile Program and Data Memory – 4K/8K Bytes of In-System Programmable (ISP) Flash Program Memory – 512/1024 Bytes of Flash Data Memory – Endurance: Minimum 100,000 Write/Erase Cycles (for Both Program/Data Memories) – Serial Interface for Program Downloading – 64-byte Fast Page Programming Mode – 128-byte User Signature Array – 2-level Program Memory Lock for Software Security – In-Application Programming of Program Memory Per
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