User manual

...the world's most energy friendly microcontrollers
2012-04-24 - Giant Gecko Family - d0053_Rev0.96 819
www.energymicro.com
13.3. Functional Description ................................................................................................................ 164
13.4. Register Map ............................................................................................................................ 169
13.5. Register Description ................................................................................................................... 169
14. EBI - External Bus Interface .................................................................................................................. 175
14.1. Introduction ............................................................................................................................... 175
14.2. Features .................................................................................................................................. 175
14.3. Functional Description ................................................................................................................ 176
14.4. Register Map ............................................................................................................................ 210
14.5. Register Description ................................................................................................................... 211
15. USB - Universal Serial Bus Controller ...................................................................................................... 240
15.1. Introduction ............................................................................................................................... 240
15.2. Features .................................................................................................................................. 240
15.3. USB System Description ............................................................................................................. 241
15.4. USB Core Description ................................................................................................................. 247
15.5. Register Map ............................................................................................................................ 347
15.6. Register Description ................................................................................................................... 351
16. I
2
C - Inter-Integrated Circuit Interface ....................................................................................................... 413
16.1. Introduction ............................................................................................................................... 413
16.2. Features .................................................................................................................................. 413
16.3. Functional Description ................................................................................................................ 414
16.4. Register Map ............................................................................................................................ 434
16.5. Register Description ................................................................................................................... 434
17. USART - Universal Synchronous Asynchronous Receiver/Transmitter ............................................................ 446
17.1. Introduction ............................................................................................................................... 446
17.2. Features .................................................................................................................................. 446
17.3. Functional Description ................................................................................................................ 447
17.4. Register Map ............................................................................................................................ 471
17.5. Register Description ................................................................................................................... 471
18. UART - Universal Asynchronous Receiver/Transmitter ................................................................................. 491
18.1. Introduction ............................................................................................................................... 491
18.2. Features .................................................................................................................................. 491
18.3. Functional Description ................................................................................................................ 492
18.4. Register Description ................................................................................................................... 492
18.5. Register Map ............................................................................................................................ 492
19. LEUART - Low Energy Universal Asynchronous Receiver/Transmitter ............................................................ 493
19.1. Introduction ............................................................................................................................... 493
19.2. Features .................................................................................................................................. 493
19.3. Functional Description ................................................................................................................ 494
19.4. Register Map ............................................................................................................................ 505
19.5. Register Description ................................................................................................................... 505
20. TIMER - Timer/Counter ......................................................................................................................... 519
20.1. Introduction ............................................................................................................................... 519
20.2. Features .................................................................................................................................. 519
20.3. Functional Description ................................................................................................................ 520
20.4. Register Map ............................................................................................................................ 537
20.5. Register Description ................................................................................................................... 538
21. RTC - Real Time Counter ...................................................................................................................... 556
21.1. Introduction ............................................................................................................................... 556
21.2. Features .................................................................................................................................. 556
21.3. Functional Description ................................................................................................................ 556
21.4. Register Map ............................................................................................................................ 560
21.5. Register Description ................................................................................................................... 560
22. BURTC - Backup Real Time Counter ....................................................................................................... 565
22.1. Introduction ............................................................................................................................... 565
22.2. Features .................................................................................................................................. 565
22.3. Functional Description ................................................................................................................ 566
22.4. Register Map ............................................................................................................................ 569
22.5. Register Description ................................................................................................................... 569
23. LETIMER - Low Energy Timer ................................................................................................................ 579
23.1. Introduction ............................................................................................................................... 579
23.2. Features .................................................................................................................................. 579
23.3. Functional Description ................................................................................................................ 580
23.4. Register Map ............................................................................................................................ 592
23.5. Register Description ................................................................................................................... 592
24. PCNT - Pulse Counter .......................................................................................................................... 601
24.1. Introduction ............................................................................................................................... 601
24.2. Features .................................................................................................................................. 601
24.3. Functional Description ................................................................................................................ 601
24.4. Register Map ............................................................................................................................ 607
24.5. Register Description ................................................................................................................... 607
25. LESENSE - Low Energy Sensor Interface ................................................................................................. 616
25.1. Introduction ............................................................................................................................... 616
25.2. Features .................................................................................................................................. 616
25.3. Functional description ................................................................................................................. 617