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Unlock Microcomputer IC Dallas Semiconductor DS89C450
Unlock Microcomputer IC Dallas Semiconductor DS89C450
We can unlock Microcompter IC Dallas Semiconductor DS89C450 Ultra-High-Speed Flash , please view the chip features for your reference:
FEATURES
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
a maximum 33MHz clock rate.
The Ultra-High-Speed Flash Microcontroller User’s Guide should
be used in conjunction with this data sheet. Download it at
\
16kB/32kB/64kB Flash Memory
In-Application Programmable
In-System Programmable Through Serial Port
ORDERING INFORMATION
FLASH
MEMORY SIZE
DS89C430-MNL 16kB
DS89C430-QNL 16kB
DS89C430-QNL+ 16kB
DS89C430-ENL 16kB before unlock Microcompter IC
PIN-PACKAGE
40 PDIP
40 PDIP
44 PLCC
44 TQFP
1kB SRAM for MOVX
80C52 Compatible
8051 Pin and Instruction Set Compatible
Four Bidirectional, 8-Bit I/O Ports
256 Bytes Scratchpad RAM
Power-Management Mode
Programmable Clock Divider after unlock Microcompter IC
DS89C430-ENL+
DS89C440-MNL
DS89C440-MNL+
DS89C440-QNL
DS89C440-QNL+
DS89C440-ENL
16kB
32kB
32kB
32kB
32kB
32kB
32kB
44 TQFP
40 PDIP
40 PDIP
44 PLCC
44 TQFP
44 TQFP
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
DS89C450-MNL 64kB
DS89C450-QNL 64kB
DS89C450-QNL+ 64kB
DS89C450-ENL 64kB
DS89C450-ENL+ 64kB
+ Denotes a lead-free/RoHS-compliant device.
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
Complete Selector Guide appears at end of data sheet.
Pin Configurations appear at end of data sheet.
APPLICATIONS
Electromagnetic Interference (EMI) Reduction if unlock Microcompter IC
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