| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To obtain a microcontroller which enables reduction of digital-to- analog converters and suppression of increase of circuits, by using a digital-to- analog converter (a resistance ladder) necessary for a successive approximation type analog-to-digital converter through time sharing. <P>SOLUTION: A digital-to-analog converter 8, which makes up a digital-to- analog converter to be used when digital-to-analog conversion is performed, and makes a digital-to-analog converter to be used when analog-to-digital conversion is performed, is provided. Digital data, to be inputted into the digital-to- analog converter 8 when the digital-to-analog conversion and analog-to-digital conversion are to be performed, are inputted by time sharing into the digital-to- analog converter 8 by a data selector 6. <P>COPYRIGHT: (C)2003,JPO</p> |
