Analog-to-digital converter and microcomputer in which the same is installed

摘要: An A/D converter 11 is provided with analog input terminals 12 , terminal selection circuit 13 preset registers 15 data 16 17 and sampling capacitor C. Input selects one of . Preset are correspondingly for digital which stores. stored at corresponding to designated by converted into signals as pre-charge voltages. One the selected each in response kinds It supplied C a voltage duration period conversion.