Datasheet
1198
42023E–SAM–07/2013
ATSAM4L8/L4/L2
574
24.1 Features ........................................................................................................574
24.2 Overview ........................................................................................................574
24.3 Block Diagram ...............................................................................................575
24.4 I/O Lines Description ....................................................................................577
24.5 Product Dependencies ..................................................................................577
24.6 Functional Description ...................................................................................578
24.7 User Interface ................................................................................................621
24.8 Module Configuration ....................................................................................651
25 Picopower UART (PICOUART) ............................................................ 652
25.1 Features ........................................................................................................652
25.2 Overview ........................................................................................................652
25.3 Block Diagram ...............................................................................................652
25.4 I/O Lines Description .....................................................................................653
25.5 Product Dependencies ..................................................................................653
25.6 Functional Description ...................................................................................653
25.7 User Interface ................................................................................................656
25.8 Module Configuration ....................................................................................662
26 Serial Peripheral Interface (SPI) ......................................................... 663
26.1 Features ........................................................................................................663
26.2 Overview ........................................................................................................663
26.3 Block Diagram ...............................................................................................664
26.4 Application Block Diagram .............................................................................664
26.5 I/O Lines Description .....................................................................................665
26.6 Product Dependencies ..................................................................................665
26.7 Functional Description ...................................................................................665
26.8 User Interface ................................................................................................676
26.9 Module Configuration ....................................................................................703
27 Two-wire Master Interface (TWIM) ...................................................... 704
27.1 Features ........................................................................................................704
27.2 Overview ........................................................................................................704
27.3 List of Abbreviations ......................................................................................705
27.4 Block Diagram ...............................................................................................705
27.5 Application Block Diagram .............................................................................706
27.6 I/O Lines Description .....................................................................................706