我们在学习传统的MCS-51单片机的时候，一定学习过51单片机的存储结构。传统的MCS-51存储器有三个空间，分别是片内RAM（内部数据存储器）、片外RAM（外部扩展的数据存储器） 和 ROM（内部或者外部程序存储器）。 按照具体数据的物理存储空间来说，MCS-51单片机 ...

Designers of microcontroller-based products that require a keypad for user data entry can select from dedicating an input line for each key, continuously polling the keypad's x and y lines, or ...

The Intel 80C51FX is a single-chip control oriented microcontroller which is fabricated on CHMOS III technology. Being a member of the MCS® 51 controller family, the 80C51FX uses the same powerful ...