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DS89C430_07

更新时间： 2024-12-01 12:50:11
品牌 Logo 应用领域
达拉斯 - DALLAS 闪存微控制器
页数 文件大小 规格书
46页 310K
描述
Ultra-High-Speed Flash Microcontrollers

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DS89C430_07 数据手册

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DS89C430/DS89C450  
Ultra-High-Speed Flash Microcontrollers  
www.maxim-ic.com  
GENERAL DESCRIPTION  
The DS89C430 and DS89C450 offer the highest  
FEATURES  
.
High-Speed 8051 Architecture  
One Clock-Per-Machine Cycle  
performance  
available  
in  
8051-compatible  
DC to 33MHz Operation  
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  
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  
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.  
.
.
On-Chip Memory  
16kB/64kB Flash Memory  
In-Application Programmable  
In-System Programmable Through Serial Port  
1kB SRAM for MOVX  
The DS89C440 is a 32kB version of the DS89C450  
that is no longer available. The DS89C450 can be  
used as a drop-in replacement.  
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.  
80C52 Compatible  
8051 Pin and Instruction Set Compatible  
Four Bidirectional, 8-Bit I/O Ports  
Three 16-Bit Timer Counters  
256 Bytes Scratchpad RAM  
ORDERING INFORMATION  
FLASH  
MEMORY SIZE  
PART  
PIN-PACKAGE  
.
.
Power-Management Mode  
Programmable Clock Divider  
Automatic Hardware and Software Exit  
DS89C430-MNL  
DS89C430-MNL+  
DS89C430-QNL  
DS89C430-QNL+  
DS89C430-ENL  
DS89C430-ENL+  
16kB  
16kB  
16kB  
16kB  
16kB  
16kB  
40 PDIP  
40 PDIP  
44 PLCC  
44 PLCC  
44 TQFP  
44 TQFP  
ROMSIZE Feature  
Selects Internal Program Memory Size from  
0 to 64kB  
Allows Access to Entire External Memory Map  
Dynamically Adjustable by Software  
Contact factory or replace with  
DS89C430 or DS89C450.  
DS89C440-xxx  
DS89C450-MNL  
DS89C450-MNL+  
DS89C450-QNL  
DS89C450-QNL+  
DS89C450-ENL  
DS89C450-ENL+  
64kB  
64kB  
64kB  
64kB  
64kB  
64kB  
40 PDIP  
40 PDIP  
44 PLCC  
44 PLCC  
44 TQFP  
44 TQFP  
.
Peripheral Features  
Two Full-Duplex Serial Ports  
Programmable Watchdog Timer  
13 Interrupt Sources (Six External)  
Five Levels of Interrupt Priority  
Power-Fail Reset  
+ Denotes a lead(Pb)-free/RoHS-compliant device.  
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.  
APPLICATIONS  
Data Logging  
Telephones  
Building Energy  
Control and  
Management  
Uninterruptible  
Power Supplies  
Automotive Text Industrial Control  
Equipment  
and Automation  
White Goods  
HVAC  
Motor Control  
Vending  
Programmable  
Building Security  
Consumer  
Logic Controllers and Door Access Electronics  
Control  
Magstripe  
Reader/Scanner  
Gaming  
Equipment  
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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REV: 040507  
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