| 摘要 |
<p>A memory decoding system for portable data terminal is disclosed, and the system includes a memory control means (17), a memory storing means(16), a first selection signal generating means(18), and a second selection signal generating means(20). The memory control means (17) generates address signals and data signals. The memory storing means (16) is divided into a plurality of exclusive regions, and is controlled in such a manner as to write and read for the specified uses through the memory control means(17). The first selection signal generating means (18) outputs memory selecting signals in order to select one of the memory types of the memory storing means (16). The second selection signal generating means (20) generates memory selecting signals in order to select another memory type of the memory storing means(16). According to the present invention, the portable data terminal can be formed into a more compact type. <IMAGE></p> |
