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DS89C420-MNG中文资料PDF规格书
DS89C420-MNG规格书详情
GENERAL DESCRIPTION
The DS89C420 offers the highest performance available in 8051-compatible microcontrollers. It features a redesigned processor core that executes every 8051 instruction (depending on the instruction type) up to 12 times faster than the original for the same crystal speed. Typical applications see a speed improvement of 10 times using the same code and crystal. The DS89C420 offers a maximum crystal speed of 33MHz, achieving execution rates up to 33 million instructions per second (MIPS).
FEATURES
■ 80C52 Compatible
8051 Pin- and Instruction-Set Compatible
Four Bidirectional I/O Ports
Three 16-Bit Timer Counters
256 Bytes Scratchpad RAM
■ On-Chip Memory
16kB Flash Memory
In-System Programmable through Serial Port
1kB SRAM for MOVX
■ ROMSIZE Feature
Selects Internal Program Memory Size from
0 to 16k
Allows Access to Entire External Memory Map
Dynamically Adjustable by Software
■ High-Speed Architecture
1 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 Auto
Increment/Decrement and Toggle Select
Supports Four Paged Modes
■ Power Management Mode
Programmable Clock Divider
Automatic Hardware and Software Exit
■ 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
APPLICATIONS
Data Logging
Vending
Automotive Test Equipment
Motor Control
Magstripe Reader/Scanner
Consumer Electronics
Gaming Equipment
Appliances (Washers, Microwaves, etc.)
Telephones
HVAC
Building Security and Door Access Control
Building Energy Control and Management
Uninterruptible Power Supplies
Programmable Logic Controllers
Industrial Control and Automation
产品属性
- 型号:
DS89C420-MNG
- 制造商:
MAXIM
- 制造商全称:
Maxim Integrated Products
- 功能描述:
Ultra-High-Speed Microcontroller
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
DALLAS |
2020+ |
DIP40 |
80000 |
只做自己库存,全新原装进口正品假一赔百,可开13%增 |
询价 | ||
DALLAS |
23+ |
DIP20 |
18000 |
询价 | |||
DALLAS |
2015+ |
SOP/DIP |
19889 |
一级代理原装现货,特价热卖! |
询价 | ||
22+ |
5000 |
询价 | |||||
Dallas |
06+ |
300 |
全新原装 绝对有货 |
询价 | |||
DALLAS |
22+ |
DIP |
50000 |
只做正品原装,假一罚十,欢迎咨询 |
询价 | ||
DALLAS |
23+ |
DIP-40 |
65480 |
询价 | |||
Dallas |
23+ |
DIP40 |
9896 |
询价 | |||
DALLAS |
23+ |
DIP-40 |
3200 |
全新原装、诚信经营、公司现货销售 |
询价 | ||
MAXIM |
22+ |
DIP-40 |
2000 |
全新原装品牌专营 |
询价 |