at91sam9260-cj ATMEL Corporation, at91sam9260-cj Datasheet - Page 786

• Manufacturer Part Number: at91sam9260-cj
• Description: At91 Arm Thumb Microcontrollers
• Manufacturer: ATMEL Corporation

vi
AT91SAM9260
29 Parallel Input/Output Controller (PIO) ................................................ 333
30 Serial Peripheral Interface (SPI) ......................................................... 359
31 Two-wire Interface (TWI) ..................................................................... 385
32 Universal Synchronous Asynchronous Receiver Transmitter
(USART) ................................................................................................ 425
28.1 Description .......................................................................................................309
28.2 Block Diagram ..................................................................................................310
28.3 Product Dependencies .....................................................................................311
28.4 UART Operations .............................................................................................311
28.5 Debug Unit (DBGU) User Interface .................................................................318
29.1 Description .......................................................................................................333
29.2 Block Diagram ..................................................................................................334
29.3 Product Dependencies .....................................................................................335
29.4 Functional Description ......................................................................................336
29.5 I/O Lines Programming Example .....................................................................340
29.6 Parallel Input/Output Controller (PIO) User Interface .......................................342
30.1 Description .......................................................................................................359
30.2 Block Diagram ..................................................................................................360
30.3 Application Block Diagram ...............................................................................360
30.4 Signal Description ...........................................................................................361
30.5 Product Dependencies .....................................................................................361
30.6 Functional Description ......................................................................................362
30.7 Serial Peripheral Interface (SPI) User Interface ...............................................371
31.1 Description .......................................................................................................385
31.2 List of Abbreviations .........................................................................................385
31.3 Block Diagram ..................................................................................................386
31.4 Application Block Diagram ...............................................................................386
31.5 Product Dependencies .....................................................................................387
31.6 Functional Description ......................................................................................387
31.7 Master Mode ....................................................................................................389
31.8 Multi-master Mode ...........................................................................................400
31.9 Slave Mode ......................................................................................................403
31.10 Two-wire Interface (TWI) User Interface ..........................................................411
32.1 Description .......................................................................................................425
32.2 Block Diagram ..................................................................................................426
6221G–ATARM–31-Jan-08