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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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EM73P968 датащи(PDF) 29 Page - ELAN Microelectronics Corp |
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EM73P968 датащи(HTML) 29 Page - ELAN Microelectronics Corp |
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29 / 53 page  29 * This specification are subject to be changed without notice. EM73P968 4-BIT MICRO-CONTROLLER FOR LCD PRODUCT 8.14.2001 Preliminary ADC control register P26(BIT) 3 2 1 0 Initial value : 0000 SYMBOL ADEN * F_RUN START Port 26 is A/D control register , when P26.3 (ADEN) is high A/D converter enable , P26.3 is low A/D converter disable , P26.1(F_RUN) is high, select A/D conversion is free run , P26.1(F_RUN) is slow , A/D could not convert P26.0(START) is high , A/D converter is only one time. A/D clock rate control register P23(BIT) 3 2 1 0 Initial value : 0000 SYMBOL * * A/D rate select A/D rate A/D clock rate 0 0 CLK / 25 0 1 CLK / 26 1 0 CLK / 27 1 1 CLK / 27 CLK=system clock (4M) ADC Data Register (P12,P13) When we use ADC , first ADC must get P12,P13 ,because P12,P13 share with SPI , ADC and HTC when the A/D conversion is complete ,the result is load to the P12,P13, and the ADC can generate an interrupt (ADI), the INT2_S ( P14.3) is set high. |
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