描述P89C660/662/664/668單片機內帶6KB/32KB/64KB/64KB FlaSH存儲器,該存儲器既可并行編程也可以串行在系統編程(ISP).在實際的成型產品中,可通過ISP升級用戶程序.
在Boot ROM程序中可通過一個默認的串行下載器(UART)對FlaSH存儲器作ISP編程,而在FlaSH代碼區中并不需要有調用下載器的代碼,用戶程序可通過調用在Boot ROM中的標準子程對FlaSH存儲器擦寫和再編程(即IAP).
該器件在6個時鐘周期內執行一條指令,是傳統的80C51的兩倍.一個OTP結構位讓用戶選擇傳統的12個時鐘周期.
該器件用advanced CMOS工藝制造,是80C51單片機家族的衍生品.其指令集和80C51相同.
該器件有四個8位I/O口,三個16位定時器/事件計數器,多中斷源,四個優選級,可嵌套中斷結構,一個增強型UART和片內振蕩器以及時序電路.
P89C660/662/664/668新增特性使其成為一個功能強大的單片機,為某些應用提供PWM,高速的I/O和加/減計數,如汽車控制.
標簽：
80C51
FlaSH
bit
66
上傳時間：
2013-10-10
上傳用戶：FreeSky
Stellaris(群星)單片機的片上FlaSH編程(英)
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標簽：
Stellaris
FlaSH
單片機
編程
上傳時間：
2013-10-22
上傳用戶：JamesB
