Datasheet

vi
SAM9M10 [DATASHEET]
6355F–ATARM–12-Mar-13
28.1 Description .........................................................................................................399
28.2 Embedded Characteristics ................................................................................399
28.3 Block Diagram ...................................................................................................400
28.4 Application Block Diagram .................................................................................401
28.5 Signal Description .............................................................................................402
28.6 Product Dependencies ......................................................................................402
28.7 Functional Description .......................................................................................403
28.8 Serial Peripheral Interface (SPI) User Interface ................................................417
29 Debug Unit (DBGU) ..............................................................................431
29.1 Description .........................................................................................................431
29.2 Embedded Characteristics ................................................................................431
29.3 Block Diagram ...................................................................................................432
29.4 Product Dependencies ......................................................................................433
29.5 UART Operations ..............................................................................................433
29.6 Debug Unit (DBGU) User Interface ...................................................................440
30 Parallel Input/Output Controller (PIO) ................................................455
30.1 Description .........................................................................................................455
30.2 Block Diagram ...................................................................................................456
30.3 Product Dependencies ......................................................................................457
30.4 Functional Description .......................................................................................458
30.5 I/O Lines Programming Example .......................................................................464
30.6 Parallel Input/Output Controller (PIO) User Interface ........................................466
31 Universal Synchronous Asynchronous Receiver Transmitter
(USART) .................................................................................................485
31.1 Description .........................................................................................................485
31.2 Embedded Characteristics ................................................................................485
31.3 Block Diagram ...................................................................................................486
31.4 Application Block Diagram .................................................................................487
31.5 I/O Lines Description ........................................................................................488
31.6 Product Dependencies ......................................................................................489
31.7 Functional Description .......................................................................................490
31.8 Universal Synchronous Asynchronous Receiver Transmitter (USART)
User Interface ...............................................................................................545
32 Two-wire Interface (TWI) ......................................................................575
32.1 Description .........................................................................................................575
32.2 Embedded Characteristics ................................................................................575