| 摘要 |
<p>The objective of the present invention is to provide a microcomputer and a method, wherein a program is written from a host to a microcomputer at a high speed by utilizing a USB cable for connecting the host to a peripheral device. A flash ROM 50 for program storage has a first program area to which program data transmitted from a personal computer 100 are to be written and a second program area storing a write control program, and program data stored temporarily in a RAM 40 are written to the first program area of the flash ROM 50 through a USB interface circuit 30 in accordance with the write control program.</p> |
