SAM4L_14 Datasheet, PDF (174/176 Pages) ATMEL Corporation – Technology for Ultra-low Power Consumption

ATSAM4L8/L4/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 ................................................................................. 9
3.1 Package .............................................................................................................9
3.2 Peripheral Multiplexing on I/O lines .................................................................19
3.3 Signals Description ..........................................................................................31
3.4 I/O Line Considerations ...................................................................................34
4 Cortex-M4 processor and core peripherals ......................................... 36
4.1 Cortex-M4 ........................................................................................................36
4.2 System level interface .....................................................................................37
4.3 Integrated configurable debug .........................................................................37
4.4 Cortex-M4 processor features and benefits summary .....................................38
4.5 Cortex-M4 core peripherals .............................................................................38
4.6 Cortex-M4 implementations options ................................................................39
4.7 Cortex-M4 Interrupts map ................................................................................39
4.8 Peripheral Debug .............................................................................................42
5 Memories ................................................................................................ 43
5.1 Product Mapping .............................................................................................43
5.2 Embedded Memories ......................................................................................44
5.3 Physical Memory Map .....................................................................................44
6 Power and Startup Considerations ...................................................... 46
6.1 Power Domain Overview .................................................................................46
6.2 Power Supplies ................................................................................................48
6.3 Startup Considerations ....................................................................................53
6.4 Power-on-Reset, Brownout and Supply Monitor .............................................53
7 Low Power Techniques ......................................................................... 55
7.1 Power Save Modes .........................................................................................55
7.2 Power Scaling ..................................................................................................60
42023GS–SAM–03/2014
174