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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AT89C5122D-RDRUM датащи(PDF) 168 Page - ATMEL Corporation |
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AT89C5122D-RDRUM датащи(HTML) 168 Page - ATMEL Corporation |
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168 / 208 page  168 AT83R5122, AT8xC5122/23 4202F–SCR–07/2008 Reset Value = 0000 0000b Table 107. Interrupt Enable Register - ISEL (S:A1h) 7654 3210 CPLEV - PRESIT RXIT OELEV OEEN PRESEN RXEN Bit Number Bit Mnemonic Description 7 CPLEV Card presence detection level This bit indicates which CPRES level will bring about an interrupt Set this bit to indicate that Card Presence IT will appear if CPRES is at high level. Clear this bit to indicate that Card Presence IT will appear if CPRES is at low level. 6- Reserved The value read from this bit is indeterminate. Do not change this bit. 5 PRESIT Card presence detection interrupt flag Set by hardware Must be cleared by software 4 RXIT Received data interrupt flag Set by hardware Must be cleared by software 3 OELEV INT1 signal active level Set this bit to indicate that high level is active. Clear this bit to indicate that low level is active. 2 OEEN INT1 Interrupt Disable bit Clear to disable INT1 interrupt Set to enable INT1 interrupt 1 PRESEN Card presence detection Interrupt Enable bit Clear to disable the card presence detection interrupt coming from SCIB. Set to enable the card presence detection interrupt coming from SCIB. 0 RXEN Received data Interrupt Enable bit Clear to disable the RxD interrupt. Set to enable the RxD interrupt (a minimal bit width of 100 μs is required to wake up from power-down) . |
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