Datasheet

vi
11011B–ATARM–21-Feb-12
SAM3N
27.8 Serial Peripheral Interface (SPI) User Interface ............................................447
28 Two-wire Interface (TWI) ..................................................................... 463
28.1 Description .....................................................................................................463
28.2 Embedded Characteristics ............................................................................464
28.3 List of Abbreviations ......................................................................................464
28.4 Block Diagram ...............................................................................................465
28.5 Application Block Diagram .............................................................................465
28.6 Product Dependencies ..................................................................................466
28.7 Functional Description ...................................................................................467
28.8 Master Mode ..................................................................................................468
28.9 Multi-master Mode .........................................................................................480
28.10 Slave Mode ....................................................................................................483
28.11 Two-wire Interface (TWI) User Interface .......................................................491
29 Universal Asynchronous Receiver Transceiver (UART) .................. 505
29.1 Description .....................................................................................................505
29.2 Embedded Characteristics ............................................................................505
29.3 Block Diagram ...............................................................................................506
29.4 Product Dependencies ..................................................................................506
29.5 UART Operations ..........................................................................................507
29.6 Universal Asynchronous Receiver Transmitter (UART) User Interface .........513
30 Universal Synchronous Asynchronous Receiver Transmitter (USART)
523
30.1 Description .....................................................................................................523
30.2 Embedded Characteristics ............................................................................523
30.3 Block Diagram ...............................................................................................524
30.4 Application Block Diagram .............................................................................525
30.5 I/O Lines Description ....................................................................................526
30.6 Product Dependencies ..................................................................................527
30.7 Functional Description ...................................................................................528
30.8 Universal Synchronous Asynchronous Receiver Transmitter (USART) User In-
terface 557
31 Timer Counter (TC) .............................................................................. 579
31.1 Description .....................................................................................................579
31.2 Embedded Characteristics ............................................................................579
31.3 Block Diagram ...............................................................................................581