2017年12月22日星期五

DS89C450-ENL DS89C450 Ultra-High-Speed Flash Microcontrollers

DS89C450-ENL DS89C450 Ultra-High-Speed Flash Microcontrollers

Part Number: DS89C450-ENL

Brand: MAXIM

Package: TQFP44



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
APP

Part StatusActive 
Core Processor8051 
Core Size8-Bit 
Speed33MHz 
ConnectivityEBI/EMI, SIO, UART/USART 
PeripheralsPower-Fail Reset, WDT 
Number of I/O32 
Program Memory Size64KB (64K x 8) 
Program Memory TypeFLASH 
EEPROM Size- 
RAM Size1K x 8 
Voltage - Supply (Vcc/Vdd)4.5 V ~ 5.5 V 
Data Converters- 
Oscillator TypeExternal 
Operating Temperature-40°C ~ 85°C (TA) 
Package / Case44-TQFP 
Supplier Device Package44-TQFP (10x10) 
Base Part NumberDS89C450


Contact Type

Skype ID: mjdccm
Email: Fanny.Young@szmjd.net
Trademanager: cn200873376

Website:

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