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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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ATMEGA8535-16AC Datenblatt(PDF) 57 Page - ATMEL Corporation |
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ATMEGA8535-16AC Datenblatt(HTML) 57 Page - ATMEL Corporation |
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57 / 321 page  57 ATmega8535(L) 2502K–AVR–10/06 Alternate Port Functions Most port pins have alternate functions in addition to being general digital I/Os. Figure 26 shows how the port pin control signals from the simplified Figure 23 can be overrid- den by alternate functions. The overriding signals may not be present in all port pins, but the figure serves as a generic description applicable to all port pins in the AVR micro- controller family. Figure 26. Alternate Port Functions (1) Note: 1. WPx, WDx, RRx, RPx, and RDx are common to all pins within the same port. clkI/O, SLEEP, and PUD are common to all ports. All other signals are unique for each pin. 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 |
Ähnliche Teilenummer - ATMEGA8535-16AC |
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Ähnliche Beschreibung - ATMEGA8535-16AC |
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