| 전자부품 데이터시트 검색엔진 |
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AT83SND1CXXX-ROTIL 데이터시트(PDF) 176 Page - ATMEL Corporation |
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AT83SND1CXXX-ROTIL 데이터시트(HTML) 176 Page - ATMEL Corporation |
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176 / 212 page ![]() 176 4109J–8051–10/06 AT8xC51SND1C enabled by setting EADC bit in IEN1 register. This flag is set by hardware and must be reset by software. 20.2 Registers Table 137. ADCON Register ADCON (S:F3h) – ADC Control Register Reset Value = 0000 0000b Table 138. ADCLK Register ADCLK (S:F2h) – ADC Clock Divider Register Reset Value = 0000 0000b 7654 3210 - ADIDL ADEN ADEOC ADSST - - ADCS Bit Number Bit Mnemonic Description 7- Reserved The value read from this bit is always 0. Do not set this bit. 6 ADIDL ADC Pseudo-Idle Mode Set to suspend the CPU core activity (pseudo-idle mode) during conversion. Clear by hardware at the end of conversion. 5ADEN ADC Enable Bit Set to enable the A to D converter. Clear to disable the A to D converter and put it in low power stand by mode. 4ADEOC End Of Conversion Flag Set by hardware when ADC result is ready to be read. This flag can generate an interrupt. Must be cleared by software. 3ADSST Start and Status Bit Set to start an A to D conversion on the selected channel. Cleared by hardware at the end of conversion. 2 - 1 - Reserved The value read from these bits is always 0. Do not set these bits. 0ADCS Channel Selection Bit Set to select channel 0 for conversion. Clear to select channel 1 for conversion. 7654 3210 - - - ADCD4 ADCD3 ADCD2 ADCD1 ADCD0 Bit Number Bit Mnemonic Description 7 - 5 - Reserved The value read from these bits is always 0. Do not set these bits. 4 - 0 ADCD4:0 ADC Clock Divider 5-bit divider for ADC clock generation. |
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