W78E51B 规格书 W78E51B 是宽频率范围、低功耗的8 位微控制器。它的指令集同标准8051 指令集完全兼容。W78E51B 包含4K 字节的Flash EPROM；128 字节的RAM；4 个8 位双向、可位寻址的I/O 口；一个附加的4 位 I/O 口P4；2 个16 位定时/计数器；一个硬件Watchdog 定时器及一个串行口。这些外围设备都由有7 个中断源和2 级中断能力的中断系统支持。为了方便用户进行编程和验证，W78E51B 内含的Flash EPROM

用ADS开发的，基于44b0的I/o 读写程序，包括完整的个中函数块，是学习ARM编程的好例子 -with ADS, developed by the 44b0-based I / O read and write procedures, including full-Function blocks, ARM program is learning a good example

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c语言程序，将阿拉伯数字翻译成英文。如输入：792677321 输出：seven hundred ninety-two million six hundred seventy-seven thousand three hundred twenty-one -c language program will be translated into Arabic and English. If input : 792677321 output : seven hundred ninety-two