Datasheet
ii
32058–AVR32–11/09
AT32UC3A
12.3Interrupt Request Signal Map ................................................................................41
12.4Clock Connections .................................................................................................43
12.5Nexus OCD AUX port connections ........................................................................44
12.6PDC handshake signals ........................................................................................44
12.7Peripheral Multiplexing on I/O lines .......................................................................45
12.8Oscillator Pinout ....................................................................................................48
12.9USART Configuration ............................................................................................48
12.10GPIO ....................................................................................................................49
12.11Peripheral overview .............................................................................................49
13 Power Manager (PM) .............................................................................. 53
13.1Features ................................................................................................................53
13.2Description .............................................................................................................53
13.3Block Diagram .......................................................................................................54
13.4Product Dependencies ..........................................................................................55
13.5Functional Description ...........................................................................................55
13.6User Interface ........................................................................................................66
14 Real Time Counter (RTC) ....................................................................... 86
14.1Features ................................................................................................................86
14.2Description .............................................................................................................86
14.3Block Diagram .......................................................................................................87
14.4Product Dependencies ..........................................................................................87
14.5Functional Description ...........................................................................................87
14.6User Interface ........................................................................................................89
15 Watchdog Timer (WDT) ......................................................................... 94
15.1Features ................................................................................................................94
15.2Description .............................................................................................................94
15.3Block Diagram .......................................................................................................94
15.4Product Dependencies ..........................................................................................94
15.5Functional Description ...........................................................................................95
15.6User Interface ........................................................................................................96
16 Interrupt Controller (INTC) .................................................................... 99
16.1Description .............................................................................................................99
16.2Block Diagram .......................................................................................................99
16.3Operation ...............................................................................................................99
16.4User Interface ......................................................................................................101