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DS89C450-ENL+ Datasheet

  • DS89C450-ENL+

  • Ultra-High-Speed Flash Microcontrollers

  • 48頁

  • DALLAS   DALLAS

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

DS89C450-ENL+ 產(chǎn)品屬性

  • Lead (SnPb) Finish for COTSObsolescence Mitigation Program

  • 160

  • 集成電路 (IC)

  • 嵌入式 - 微控制器，

  • 89C

  • 8051

  • 8-位

  • 33MHz

  • EBI/EMI，SIO，UART/USART

  • 電源故障復位，WDT

  • 32

  • 64KB（64K x 8）

  • 閃存

  • -

  • 1K x 8

  • 4.5 V ~ 5.5 V

  • -

  • 外部

  • -40°C ~ 85°C

  • 44-TQFP

  • 托盤

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