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在8位单片机系统中使用NORFlash存储器,可以实现用简单设计完成复杂任务的目标,从而有效地缩短产品的开发周期,降低产品的制造成本。本文以NORFlash存储器SST39SF040和MCS-51系列单片机为例,详细介绍大容量NORFlash存储器与8位单片机的接口技术,给出硬件连接电路和扇区擦除操作的源程序代码。
Using NORFlash memory in an 8-bit microcontroller system can achieve the goal of accomplishing complex tasks with a simple design, thus effectively reducing the product development cycle and reducing the manufacturing cost of the product. In this paper, NORFlash memory SST39SF040 and MCS-51 series of microcontrollers as an example, a detailed introduction of large-capacity NORFlash memory and 8-bit microcontroller interface technology to give the hardware connection circuit and sector erase source code.