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DS89C450

Features: · High-Speed 8051 Architecture One Clock-Per-Machine Cycle DC to 33MHz Operation Single Cycle Instruction in 30ns Optional Variable Length MOVX to Access Fast/Slow Peripherals Dual Data Pointers with Automatic Increment/Decrement and Toggle Select Supports Four Paged Memory-Access Modes·...

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DS89C450: Features: · High-Speed 8051 Architecture One Clock-Per-Machine Cycle DC to 33MHz Operation Single Cycle Instruction in 30ns Optional Variable Length MOVX to Access Fast/Slow Peripherals Dual Data Po...

DS89C450 Data Sheet

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Part Number:
DS89C450
Supply Ability:
5000

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  • 1~5000
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  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

· High-Speed 8051 Architecture  One Clock-Per-Machine Cycle DC to 33MHz Operation Single Cycle Instruction in 30ns Optional Variable Length MOVX to Access Fast/Slow Peripherals Dual Data Pointers with Automatic Increment/Decrement and Toggle Select Supports Four Paged Memory-Access Modes
· On-Chip Memory 16kB/32kB/64kB Flash Memory In-Application Programmable In-System Programmable Through Serial Port 1kB SRAM for MOVX
· 80C52 Compatible  8051 Pin and Instruction Set Compatible  Four Bidirectional, 8-Bit I/O Ports Three 16-Bit Timer Counters 256 Bytes Scratchpad RAM
· Power-Management Mode Programmable Clock Divider Automatic Hardware and Software Exit
· ROMSIZE Feature  Selects Internal Program Memory Size from 0 to 64kB Allows Access to Entire External Memory Map Dynamically Adjustable by Software
· Peripheral Features  Two Full-Duplex Serial Ports Programmable Watchdog Timer 13 Interrupt Sources (Six External) Five Levels of Interrupt Priority Power-Fail Reset Early Warning Power-Fail Interrupt Electromagnetic Interference (EMI) Reduction


Application

·Data Logging Telephones Building Energy  Uninterruptible      Automotive Text    Industrial Control
                                           Control and        Power Supplies       Equipment            and Automation
·White Goods    HVAC         Management
·Motor Control   Vending    Programmable      Building Security      Consumer
                                         Logic Controllers   and Door Access      Electronics
·Magstripe        Gaming                                        Control
·Reader/Scanner Equipment


Pinout

Connection Diagram


Specifications

Voltage Range on Any Pin Relative to Ground..-0.3V to (VCC + 0.5V)
Voltage Range on VCC Relative to Ground.......-0.3V to +6.0V
Ambient Temperature Range (under bias).......-40 to +85
Storage Temperature Range..............-55to +125
Soldering Temperature...........See IPC/JEDEC J-STD-020
Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only,and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to the absolute maximum rating conditions for extended periods may affect device reliability.


Description

The DS89C430, DS89C440, and DS89C450 offer the highest performance available in 8051-compatible microcontrollers. They feature newly designed processor cores that execute instructions up to 12 times faster than the original 8051 at the same crystal speed. Typical applications will experience a speed improvement up to 10x. At 1 million instructions per second (MIPS) per megahertz, the microcontrollers achieve 33 MIPS performance from a maximum 33MHz clock rate.




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