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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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M16C/26 датащи(PDF) 162 Page - Renesas Technology Corp |
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M16C/26 датащи(HTML) 162 Page - Renesas Technology Corp |
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162 / 239 page  Renesas Technology Corp. A-D Converter 156 M16C/26 Group SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER Under development Preliminary Specifications Rev. 0.9 Specifications in this manual are tentative and subject to change. CKS0 CKS1 CKS2 φAD 00 0 00 1 01 0 10 0 10 1 11 0 11 1 01 1 fAD fAD/3 Note: Divide the fAD if f(XIN) exceeds 10MHZ, and make φAD frequency equal to or less than 10MHZ. fAD/6 fAD/2 fAD/3 fAD/12 fAD/4 fAD Figure 1.16.3. A-D converter control registers (2) Table 1.16.2. Operation clock fAD A-D control register 2 (Note 1) Symbol Address When reset ADCON2 03D416 0016 b7 b6 b5 b4 b3 b2 b1 b0 A-D conversion method select bit 0 : Without sample and hold 1 : With sample and hold Bit symbol Bit name Function R W Nothing is assigned. In an attempt to write to these bits, write 0 . The value, if read, turns out to be 0 . A-D register i Symbol Address When reset ADi(i=0 to 7) 03C016 to 03CF16 Indeterminate Eight low-order bits of A-D conversion result Function R W (b15) b7 b7 b0 b0 (b8) During 10-bit mode Two high-order bits of A-D conversion result Nothing is assigned. In an attempt to write to these bits, write 0 . The value, if read, turns out to be 0 . During 8-bit mode When read, the content is indeterminate SMP Reserved bits Must always be set to 0 0 Note 1: If the A-D control register is rewritten during A-D conversion, the conversion result is indeterminate. Frequency select bit 2 Refer to table 1.16.2 CKS2 00 |
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