AT32UC3A0512_09 Datasheet, PDF (95/98 Pages) ATMEL Corporation – AVR 32 32-Bit Microcontroller

AT32UC3A
Table of Contents
1 Description ............................................................................................... 3
2 Configuration Summary .......................................................................... 4
3 Abbreviations ........................................................................................... 4
4 Blockdiagram ........................................................................................... 5
4.1Processor and architecture .......................................................................................6
5 Signals Description ................................................................................. 8
6 Package and Pinout ............................................................................... 13
7 Power Considerations ........................................................................... 17
7.1Power Supplies .......................................................................................................17
7.2Voltage Regulator ....................................................................................................18
7.3Analog-to-Digital Converter (A.D.C) reference. .......................................................19
8 I/O Line Considerations ......................................................................... 20
8.1JTAG pins ................................................................................................................20
8.2RESET_N pin ..........................................................................................................20
8.3TWI pins ..................................................................................................................20
8.4GPIO pins ................................................................................................................20
9 Memories ................................................................................................ 21
9.1Embedded Memories ..............................................................................................21
9.2Physical Memory Map .............................................................................................21
9.3Bus Matrix Connections ..........................................................................................22
10 Peripherals ............................................................................................. 24
10.1Peripheral address map ........................................................................................24
10.2CPU Local Bus Mapping .......................................................................................25
10.3Interrupt Request Signal Map ................................................................................27
10.4Clock Connections ................................................................................................29
10.5Nexus OCD AUX port connections .......................................................................30
10.6PDC handshake signals ........................................................................................30
10.7Peripheral Multiplexing on I/O lines .......................................................................31
10.8Oscillator Pinout ....................................................................................................34
10.9USART Configuration ............................................................................................34
10.10GPIO ...................................................................................................................35
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32058HS–AVR32–03/09