| 释义 |
memory data register 存储数据寄存器;[记忆资料暂存器] A 4-,8-,12-,16-,or 32-bit register that holds the last data word read from, or written into, the memory location addressed by the contents of the memory-address register. 一种4,8,12,16或32位的寄存器,其中保存从存储单元读出的 或向存储单元写入的最新数据字,存储单元则按存储器地址寄存器的内容来寻址。 |