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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ATmega32A датащи(PDF) 56 Page - ATMEL Corporation |
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ATmega32A датащи(HTML) 56 Page - ATMEL Corporation |
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56 / 352 page  56 8155B–AVR–07/09 ATmega32A Figure 12-5. Alternate Port Functions (1) Note: 1. WPx, WDx, RRx, RPx, and RDx are common to all pins within the same port. clk I/O, SLEEP, and PUD are common to all ports. All other signals are unique for each pin. Table 12-2 summarizes the function of the overriding signals. The pin and port indexes from Fig- ure 12-5 are not shown in the succeeding tables. The overriding signals are generated internally in the modules having the alternate function. clk RPx RRx WPx RDx WDx PUD SYNCHRONIZER WDx: WRITE DDRx WPx: WRITE PORTx RRx: READ PORTx REGISTER RPx: READ PORTx PIN PUD: PULLUP DISABLE clk I/O: I/O CLOCK RDx: READ DDRx D L Q Q SET CLR 0 1 0 1 0 1 DIxn AIOxn DIEOExn PVOVxn PVOExn DDOVxn DDOExn PUOExn PUOVxn PUOExn: Pxn PULL-UP OVERRIDE ENABLE PUOVxn: Pxn PULL-UP OVERRIDE VALUE DDOExn: Pxn DATA DIRECTION OVERRIDE ENABLE DDOVxn: Pxn DATA DIRECTION OVERRIDE VALUE PVOExn: Pxn PORT VALUE OVERRIDE ENABLE PVOVxn: Pxn PORT VALUE OVERRIDE VALUE DIxn: DIGITAL INPUT PIN n ON PORTx AIOxn: ANALOG INPUT/OUTPUT PIN n ON PORTx RESET RESET Q Q D CLR Q Q D CLR Q Q D CLR PINxn PORTxn DDxn 0 1 DIEOVxn SLEEP DIEOExn: Pxn DIGITAL INPUT-ENABLE OVERRIDE ENABLE DIEOVxn: Pxn DIGITAL INPUT-ENABLE OVERRIDE VALUE SLEEP: SLEEP CONTROL Pxn I/O |
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