Rainbow Electronics AT91CAP9S250A - Manual (Page 1003)

vii
6264A–CAP–21-May-07
AT91CAP9S500A/AT91CAP9S250A
33.7 Serial Peripheral Interface (SPI) User Interface ................................. 470
34 Two-wire Interface (TWI) ......................................................... 483
34.1 Description ......................................................................................... 483
34.2 List of Abbreviations ........................................................................... 484
34.3 Block Diagram .................................................................................... 484
34.4 Application Block Diagram ................................................................. 485
34.5 Product Dependencies ....................................................................... 485
34.6 Functional Description ........................................................................ 486
34.7 Master Mode ...................................................................................... 487
34.8 Multi-master Mode .............................................................................. 499
34.9 Slave Mode ........................................................................................ 502
34.10 Two-wire Interface (TWI) User Interface ......................................... 510
35 Universal Synchronous/Asynchronous Receiver/Transceiver 525
35.1 Description ......................................................................................... 525
35.2 Block Diagram .................................................................................... 526
35.3 Application Block Diagram ................................................................. 527
35.4 I/O Lines Description ......................................................................... 527
35.5 Product Dependencies ....................................................................... 528
35.6 Functional Description ........................................................................ 529
35.7 USART User Interface ....................................................................... 559
36 Serial Synchronous Controller (SSC) .................................... 579
36.1 Description ......................................................................................... 579
36.2 Block Diagram .................................................................................... 580
36.3 Application Block Diagram ................................................................. 580
36.4 Pin Name List ..................................................................................... 581
36.5 Product Dependencies ....................................................................... 581
36.6 Functional Description ........................................................................ 581
36.7 SSC Application Examples ................................................................. 592
36.8 Synchronous Serial Controller (SSC) User Interface ......................... 594
37 AC’97 Controller (AC’97C) ...................................................... 617
37.1 Description ......................................................................................... 617
37.2 Block Diagram .................................................................................... 618
37.3 Pin Name List ..................................................................................... 619
37.4 Application Block Diagram ................................................................. 619
37.5 Product Dependencies ....................................................................... 620