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DS89C440 Datasheet(PDF) 1 Page - Maxim Integrated Products |
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DS89C440 Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 48 page 1 of 48 REV: 060805 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. GENERAL 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. The Ultra-High-Speed Flash Microcontroller Userís Guide should be used in conjunction with this data sheet. Download it at www.maxim-ic.com/microcontrollers. ORDERING INFORMATION PART FLASH MEMORY SIZE PIN-PACKAGE DS89C430-MNL 16kB 40 PDIP DS89C430-MNL+ 16kB 40 PDIP DS89C430-QNL 16kB 44 PLCC DS89C430-QNL+ 16kB 44 PLCC DS89C430-ENL 16kB 44 TQFP DS89C430-ENL+ 16kB 44 TQFP DS89C440-MNL 32kB 40 PDIP DS89C440-MNL+ 32kB 40 PDIP DS89C440-QNL 32kB 44 PLCC DS89C440-QNL+ 32kB 44 PLCC DS89C440-ENL 32kB 44 TQFP DS89C440-ENL 32kB 44 TQFP DS89C450-MNL 64kB 40 PDIP DS89C450-MNL+ 64kB 40 PDIP DS89C450-QNL 64kB 44 PLCC DS89C450-QNL+ 64kB 44 PLCC DS89C450-ENL 64kB 44 TQFP DS89C450-ENL+ 64kB 44 TQFP + Denotes a lead-free/RoHS-compliant device. Complete Selector Guide appears at end of data sheet. Pin Configurations appear at end of data sheet. 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 APPLICATIONS Data Logging Telephones White Goods HVAC Building Energy Control and Management Uninterruptible Power Supplies Automotive Text Equipment Industrial Control and Automation Motor Control Vending Magstripe Reader/Scanner Gaming Equipment Programmable Logic Controllers Building Security and Door Access Control Consumer Electronics DS89C430/DS89C440/DS89C450 Ultra-High-Speed Flash Microcontrollers www.maxim-ic.com |
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