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DS83C520-QNL中文資料亞德諾數(shù)據(jù)手冊PDF規(guī)格書
DS83C520-QNL規(guī)格書詳情
DESCRIPTION
The DS87C520/DS83C520 EPROM/ROM high-speed microcontrollers are fast 8051-compatible microcontrollers. They feature a redesigned processor core without wasted clock and memory cycles. As a result, the devices execute every 8051 instruction between 1.5 and 3 times faster than the original for the same crystal speed. Typical applications will see a speed improvement of 2.5 times using the same code and the same crystal. The DS87C520/DS83C520 offer a maximum crystal speed of 33MHz, resulting in apparent execution speeds of 82.5MHz (approximately 2.5X).
FEATURES
■ 80C52 Compatible
8051 Pin- and Instruction-Set Compatible
Four 8-Bit I/O Ports
Three 16-Bit Timer/Counters
256 Bytes Scratchpad RAM
■ Large On-Chip Memory
16kB Program Memory
1kB Extra On-Chip SRAM for MOVX
■ ROMSIZE Feature
Selects Internal ROM Size from 0 to 16kB
Allows Access to Entire External Memory Map
Dynamically Adjustable by Software
Useful as Boot Block for External Flash
■ High-Speed Architecture
4 Clocks/Machine Cycle (8051 = 12)
Runs DC to 33MHz Clock Rates
Single-Cycle Instruction in 121ns
Dual Data Pointer
Optional Variable Length MOVX to Access Fast/Slow RAM/Peripherals
■ Power Management Mode
Programmable Clock Source to Save Power
CPU Runs from (crystal/64) or (crystal/1024)
Provides Automatic Hardware and Software Exit
■ EMI Reduction Mode Disables ALE
■ Two Full-Duplex Hardware Serial Ports
■ High Integration Controller Includes:
Power-Fail Reset
Early-Warning Power-Fail Interrupt
Programmable Watchdog Timer
■ 13 Interrupt Sources with Six External
■ Available in 40-pin PDIP, 44-Pin PLCC, 44-Pin TQFP, and 40-Pin Windowed CERDIP
■ Factory Mask DS83C520 or EPROM (OTP) DS87C520
產(chǎn)品屬性
- 型號:
DS83C520-QNL
- 制造商:
DALLAS
- 制造商全稱:
Dallas Semiconductor
- 功能描述:
EPROM/ROM High-Speed Micro
供應商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
---|---|---|---|---|---|---|---|
N/A |
2020+ |
QFN |
80000 |
只做自己庫存,全新原裝進口正品假一賠百,可開13%增 |
詢價 | ||
N/A |
10+ |
QFN |
32 |
一級代理,專注軍工、汽車、醫(yī)療、工業(yè)、新能源、電力 |
詢價 | ||
N/A |
21+ |
QFN |
52 |
原裝現(xiàn)貨假一賠十 |
詢價 | ||
DALLAS |
23+ |
PLCC-44 |
6500 |
專注配單,只做原裝進口現(xiàn)貨 |
詢價 | ||
Maxim(美信) |
23+ |
NA |
20094 |
正納10年以上分銷經(jīng)驗原裝進口正品做服務做口碑有支持 |
詢價 | ||
MAXIM |
22+ |
BGA |
8000 |
原裝正品支持實單 |
詢價 | ||
DALLAS |
2020+ |
PLCC44 |
750 |
百分百原裝正品 真實公司現(xiàn)貨庫存 本公司只做原裝 可 |
詢價 | ||
N/A |
589220 |
16余年資質(zhì) 絕對原盒原盤 更多數(shù)量 |
詢價 | ||||
DALLAS |
23+ |
PLCC |
3200 |
全新原裝、誠信經(jīng)營、公司現(xiàn)貨銷售 |
詢價 | ||
24+ |
SOP |
2000 |
詢價 |