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DS89C430|DS89C440|DS89C450 PDF预览

DS89C430|DS89C440|DS89C450

更新时间: 2024-11-30 23:49:03
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描述
Ultra-High-Speed Flash Microcontrollers

DS89C430|DS89C440|DS89C450 数据手册

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DS89C430/DS89C440/DS89C450  
Ultra-High-Speed Flash Microcontrollers  
www.maxim-ic.com  
GENERAL DESCRIPTION  
FEATURES  
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  
Cꢀ 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  
speed improvement up to 10x. At  
1
million  
Dual Data Pointers with Automatic  
Increment/Decrement and Toggle Select  
Supports Four Paged Memory-Access Modes  
instructions per second (MIPS) per megahertz, the  
microcontrollers achieve 33 MIPS performance from  
a maximum 33MHz clock rate.  
Cꢀ On-Chip Memory  
16kB/32kB/64kB Flash Memory  
In-Application Programmable  
In-System Programmable Through Serial Port  
1kB SRAM for MOVX  
The Ultra-High-Speed Flash Microcontroller User’s Guide should  
be used in conjunction with this data sheet. Download it at  
www.maxim-ic.com/microcontrollers.  
APPLICATIONS  
Cꢀ 80C52 Compatible  
Data Logging  
Vending  
8051 Pin and Instruction Set Compatible  
Four Bidirectional, 8-Bit I/O Ports  
Three 16-Bit Timer Counters  
256 Bytes Scratchpad RAM  
Automotive Test Equipment  
Magstripe Reader/Scanner  
Gaming Equipment  
HVAC  
Motor Control  
Consumer Electronics  
Telephones  
Programmable Logic  
Controllers  
Cꢀ Power-Management Mode  
Uninterruptible Power  
Supplies  
Building Security and  
Door Access Control  
Programmable Clock Divider  
Building Energy Control and  
Management  
Automatic Hardware and Software Exit  
Industrial Control and  
Cꢀ ROMSIZE Feature  
Automation  
White Goods (Washers,  
Selects Internal Program Memory Size from  
0 to 64kB  
Microwaves, etc.)  
Allows Access to Entire External Memory Map  
ORDERING INFORMATION  
Dynamically Adjustable by Software  
FLASH  
Cꢀ Peripheral Features  
PART  
PIN-PACKAGE  
MEMORY SIZE  
Two Full-Duplex Serial Ports  
Programmable Watchdog Timer  
13 Interrupt Sources (Six External)  
Five Levels of Interrupt Priority  
Power-Fail Reset  
DS89C430-MNL  
DS89C430-QNL  
DS89C430-ENL  
DS89C440-MNL  
DS89C440-QNL  
DS89C440-ENL  
DS89C450-MNL  
DS89C450-QNL  
DS89C450-ENL  
16kB x 8  
16kB x 8  
16kB x 8  
32kB x 8  
32kB x 8  
32kB x 8  
64kB x 8  
64kB x 8  
64kB x 8  
40 PDIP  
44 PLCC  
44 TQFP  
40 PDIP  
44 PLCC  
44 TQFP  
40 PDIP  
44 PLCC  
44 TQFP  
Early Warning Power-Fail Interrupt  
Electromagnetic Interference (EMI) Reduction  
Complete Selector Guide appears at end of data sheet.  
Pin Configurations appear at end of data sheet.  
Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device  
may be simultaneously available through various sales channels. For information about device errata, click here: www.maxim-ic.com/errata.  
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