Ultra-High-Speed Microcontroller

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. Typic

文件：485.22 Kbytes 頁數(shù)：47 Pages

MAXIM

美信

Ultra-High-Speed Microcontroller

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. Typic

文件：539.93 Kbytes 頁數(shù)：59 Pages

DALLAS

Ultra-High-Speed Microcontroller

文件：669.69 Kbytes 頁數(shù)：58 Pages

MAXIM

美信

超高速微控制器

DS89C420是Maxim超高速閃存微控制器產(chǎn)品線的第一款產(chǎn)品。該器件采用重新設(shè)計的處理器內(nèi)核，在相同晶振速率下，執(zhí)行每個8051指令(取決于指令類型)要比原先快12倍。典型應(yīng)用中，在使用相同代碼和晶振時速率可提高10倍。在33MHz的最快晶振速率下，指令速率可達(dá)33兆指令每秒(MIPS)。\n DS89C420現(xiàn)在已不再供貨?，F(xiàn)在采用DS89C430替代該產(chǎn)品，除了DS89C430可提供在應(yīng)用編程特性外，兩個基本相同，價格也基本持平。對于DS89C420感興趣的用戶，請參照上面表格所示的信息訂購DS89C430。 \n? 兼容80C52 \n? 兼容8051引腳和指令集 \n? 四個雙向I/O端口 \n? 三個16位定時計數(shù)器 \n? 256字節(jié)寄存器RAM \n? 片內(nèi)存儲器 \n? 16kB閃存 \n? 通過串口在系統(tǒng)編程 \n? 用MOVX訪問的1kB SRAM \n? ROMSIZE特性 \n? 從0至16k選擇內(nèi)部程序存儲器空間 \n? 容許訪問整個外部存儲器映像 \n? 通過軟件動態(tài)調(diào)整 \n? 高速架構(gòu) \n? 每機(jī)器周期1個時鐘 \n? 直流至33MHz工作 \n? 30ns單周期指令 \n? 可變長MOVX支持快速/慢速外設(shè) \n? 雙數(shù)據(jù)指針可自動遞增/遞減和切換 \n? 支持四種頁;

ADI

亞德諾

Ultra-High-Speed Microcontroller

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. Typic

文件：485.22 Kbytes 頁數(shù)：47 Pages

MAXIM

美信

Ultra-High-Speed Microcontroller

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. Typic

文件：485.22 Kbytes 頁數(shù)：47 Pages

MAXIM

美信

Ultra-High-Speed Microcontroller

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. Typic

文件：539.93 Kbytes 頁數(shù)：59 Pages

DALLAS

Ultra-High-Speed Microcontroller

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. Typic

文件：485.22 Kbytes 頁數(shù)：47 Pages

MAXIM

美信

Ultra-High-Speed Microcontroller

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. Typic

文件：485.22 Kbytes 頁數(shù)：47 Pages

MAXIM

美信

Ultra-High-Speed Microcontroller

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. Typic

文件：485.22 Kbytes 頁數(shù)：47 Pages

MAXIM

美信