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介绍MCS 251微控制器-- 8XC251SB的新功能应用

消耗积分:5 | 格式:rar | 大小:106 | 2009-06-24

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The MCS® 251 microcontroller is Intel’s next generation MCS 51 microcontroller. The first product in the MCS 251 architecture, the 8XC251SB, is binary code and pin compatible with current 8XC51FX microcontrollers. Utilizing an instruction pipeline and a register-based architecture, the 8XC251SB CPU can execute some instructions in the shortest time of one state compared with six states in the 8XC51FX. The instruction set is also enriched with 16-bit and 32-bit capability.
Introduction ... 4
8XC251SB Feature Overview..... 4
CPU Architecture .. 5
Memory Organization........... 6
Configuration....... 10
Instruction Set..... 11
Peripherals... 12
Hardware WatchDog Timer (WDT).. 13
I/O Ports ....... 13
Interrupts ..... 14
Additional References........ 15
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