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Microchip Technology AT89LP52 8位微控制器

Atmel AT89LP52 8位微控制器(MCU)是具有8KB系统内可编程(ISP)闪存的单周期器件。Atmel AT89LP52 MCU的特点是12时钟兼容模式、256字节闪存数据存储器和256字节RAM。这些Atmel MCU拥有增强型8051架构，可提供高达20MIPS吞吐量（20MHz时钟频率时）、双数据指针和4级中断优先级。

特性

  • 8-bit Microcontroller Compatible with 8051 Products
  • Enhanced 8051 Architecture
    • Single Clock Cycle per Byte Fetch
    • 12 Clock per Machine Cycle Compatibility Mode
    • Up to 20 MIPS Throughput at 20MHz Clock Frequency
    • Fully Static Operation: 0Hz to 20MHz
    • On-chip 2-cycle Hardware Multiplier
    • 256 x 8 Internal RAM
    • External Data/Program Memory Interface
    • Dual Data Pointers
    • 4-level Interrupt Priority
  • Nonvolatile Program and Data Memory
    • 8K Bytes of In-System Programmable (ISP) Flash Program Memory
    • 256 Bytes of Flash Data Memory
    • 256-byte User Signature Array
    • Endurance: 10,000 Write/Erase Cycles
    • Serial Interface for Program Downloading
    • 64-byte Fast Page Programming Mode
    • 3-level Program Memory Lock for Software Security
    • In-Application Programming of Program Memory
  • Peripheral Features
    • Three 16-bit Timer/Counters with Clock Out Modes
    • Enhanced UART
      • Automatic Address Recognition
      • Framing Error Detection
      • SPI and TWI Emulation Modes
    • Programmable Watchdog Timer with Software Reset and Prescaler
  • Special Microcontroller Features
    • Brown-out Detection and Power-on Reset with Power-off Flag
    • Selectable Polarity External Reset Pin
    • Low Power Idle and Power-down Modes
    • Interrupt Recovery from Power-down Mode
    • Internal 1.8432 MHz Auxiliary Oscillator
  • I/O and Packages
    • Up to 36 Programmable I/O Lines
    • Green (Pb/Halide-free) Packages
      • 40-lead PDIP
      • 44-lead TQFP/PLCC
      • 44-pad VQFN/MLF
    • Configurable Port Modes (per 8-bit port)
      • Quasi-bidirectional (80C51 Style)
      • Input-only (Tristate)
      • Push-pull CMOS Output
      • Open-drain
  • Operating Conditions
    • 2.4V to 5.5V VCC Voltage Range
    • -40°C to 85°C Temperature Range
    • 0 to 20 MHz @ 2.4V-5.5V
    • 0 to 25 MHz @ 4.5V-5.5V

应用

  • Battery management
  • White goods
  • Universal remote control
  • Power management
  • Industrial and motor control

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Block Diagram

Microchip Technology AT89LP52 8位微控制器
发布日期: 2011-08-29 | 更新日期: 2023-08-08