Motorola MVME 147-P3是一种嵌入式微处理器，是Motorola公司在1980年代后期推出的一款基于8051微处理器的单板机。它具有8051微处理器的所有功能，同时具有可扩展的内存和I/O接口，适用于各种嵌入式控制应用。
特点包括：
* 基于8051微处理器，具有8位数据总线，128字节的RAM和4K字节的ROM。
* 可通过扩展槽进行内存和I/O接口的扩展。
* 支持多种外设接口，如串口、并口、AD转换器等。
* 支持实时操作系统（RTOS）和开发工具，方便应用程序的开发和维护。
* 适用于各种嵌入式控制应用，如工业自动化、智能仪表、医疗设备等。

总之，Motorola MVME 147-P3是一款功能强大的嵌入式微处理器，在当时的嵌入式应用领域具有广泛的应用和影响力。

It is an embedded microprocessor, a single board computer based on the 8051 microprocessor launched by Motorola in the late 1980s. It has all the functions of an 8051 microprocessor, as well as expandable memory and I/O interfaces, suitable for various embedded control applications.
Features include:
*Based on an 8051 microprocessor, with an 8-bit data bus, 128 bytes of RAM, and 4K bytes of ROM.
*Memory and I/O interface expansion can be achieved through expansion slots.
*Support multiple peripheral interfaces, such as serial port, parallel port, AD converter, etc.
*Supports real-time operating systems (RTOS) and development tools, facilitating the development and maintenance of applications.
*Suitable for various embedded control applications, such as industrial automation, intelligent instruments, medical equipment, etc.
In summary, Motorola MVME 147-P3 is a powerful embedded microprocessor with extensive applications and influence in the field of embedded applications at that time.