SAM4L Datasheet, PDF (1174/1185 Pages) ATMEL Corporation – ATSAM ARM-based Flash MCU

ATSAM4L4/L2
Table of Contents
Summary.................................................................................................... 1
Features ..................................................................................................... 1
1 Description ............................................................................................... 3
2 Overview ................................................................................................... 5
2.1 Block Diagram ...................................................................................................5
2.2 Configuration Summary .....................................................................................6
3 Package and Pinout ................................................................................. 8
3.1 Package .............................................................................................................8
3.2 Peripheral Multiplexing on I/O lines .................................................................18
3.3 I/O Line Considerations ...................................................................................29
4 Cortex-M4 processor and core peripherals ......................................... 31
4.1 Cortex-M4 ........................................................................................................31
4.2 System level interface .....................................................................................32
4.3 Integrated configurable debug .........................................................................32
4.4 Cortex-M4 processor features and benefits summary .....................................33
4.5 Cortex-M4 core peripherals .............................................................................33
4.6 Cortex-M4 implementations options ................................................................34
4.7 Cortex-M4 Interrupts map ................................................................................34
4.8 Peripheral Debug .............................................................................................37
5 Power and Startup Considerations ...................................................... 38
5.1 Power Domain Overview .................................................................................38
5.2 Power Supplies ................................................................................................40
5.3 Startup Considerations ....................................................................................45
5.4 Power-on-Reset, Brownout and Supply Monitor .............................................45
6 Low Power Techniques ......................................................................... 47
6.1 Power Save Modes .........................................................................................47
6.2 Power Scaling ..................................................................................................52
7 Memories ................................................................................................ 54
7.1 Product Mapping .............................................................................................54
7.2 Embedded Memories ......................................................................................55
7.3 Physical Memory Map .....................................................................................55
42023C–SAM–02/2013
1174