| 전자부품 데이터시트 검색엔진 |
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M32C/86 데이터시트(PDF) 272 Page - Renesas Technology Corp |
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M32C/86 데이터시트(HTML) 272 Page - Renesas Technology Corp |
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272 / 505 page ![]() Page 249 9 7 4 f o 5 0 0 2 , 8 0 . p e S 0 0 . 1 . v e R 0 0 1 0 - 4 0 2 0 B 9 0 J E R 18. A/D Converter ) T 6 8 / C 2 3 M , 6 8 / C 2 3 M ( p u o r G 6 8 / C 2 3 M 18.1.7 Multi-Port Repeat Sweep Mode 0 In multi-port repeat sweep mode 0, analog voltage that is applied to 16 selected pins is repeatedly con- verted to a digital code. Set the DUS bit in the AD0CON3 register to "1" (DMAC operating mode en- abled). Table 18.8 lists specifications of multi-port repeat sweep mode 0. Table 18.8 Multi-Port Repeat Sweep Mode 0 Specifications Item Specification Function The MPS11 and MPS10 bits in the AD0CON4 register select 16 pins. Analog voltage applied to the 16 pins is repeatedly converted to a digital code in the fol- lowing order: AN0 to AN7 ANi0 to ANi7 (i=0, 2, 15) e.g., When the MPS11 and MPS10 bits are set to "102" (AN0 to AN7, AN00 to AN07), analog voltage is repeatedly converted to a digital code in the following order: AN0 AN1 AN2 AN3 AN4 AN5 AN6 AN7 AN00 AN01 ....... AN06 AN07 Start Condition Same as one-shot mode Stop Condition The ADST bit is set to "0" (A/D conversion stopped) by program Interrupt Request Generation Timing An interrupt request is generated after each A/D conversion is completed (Set the DUS bit to "1") Analog Voltage Input Pins Selectable from AN0 to AN7 AN150 to AN157, AN0 to AN7 AN00 to AN07 or AN0 to AN7 AN20 to AN27 Reading of A/D Conversion Result Do not read the AD00 register. A/D conversion result is stored in the AD00 regis- ter after the A/D conversion is completed. DMAC transfers the conversion result to any memory space. Refer to 13. DMAC for DMAC settings (Set the DUS bit to "1") |
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