EFM32WG Datasheet, PDF (827/834 Pages) List of Unclassifed Manufacturers – The EFM32WG Wonder Gecko is the ideal choice for demanding 8-, 16-, and 32-bit energy sensitive applications.

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17.14. USART SmartCard Stop Bit Sampling .................................................................................................. 461
17.15. USART SPI Timing .......................................................................................................................... 462
17.16. USART SPI timing with SMSDELAY .................................................................................................... 464
17.17. USART SPI Slave Timing with SSSEARLY ........................................................................................... 465
17.18. USART Standard I2S waveform .......................................................................................................... 466
17.19. USART Standard I2S waveform (reduced accuracy) ............................................................................... 466
17.20. USART Left-justified I2S waveform ...................................................................................................... 467
17.21. USART Right-justified I2S waveform .................................................................................................... 467
17.22. USART Mono I2S waveform .............................................................................................................. 467
17.23. USART Example RZI Signal for a given Asynchronous USART Frame ....................................................... 470
19.1. LEUART Overview ............................................................................................................................. 494
19.2. LEUART Asynchronous Frame Format .................................................................................................. 495
19.3. LEUART Transmitter Overview ............................................................................................................. 497
19.4. LEUART Receiver Overview ................................................................................................................ 499
19.5. LEUART Local Loopback .................................................................................................................... 502
19.6. LEUART Half Duplex Communication with External Driver ......................................................................... 502
19.7. LEUART - NRZ vs. RZI ...................................................................................................................... 504
20.1. TIMER Block Overview ....................................................................................................................... 521
20.2. TIMER Hardware Timer/Counter Control ................................................................................................ 522
20.3. TIMER Clock Selection ....................................................................................................................... 522
20.4. TIMER Connections ........................................................................................................................... 523
20.5. TIMER TOP Value Update Functionality ................................................................................................. 523
20.6. TIMER Quadrature Encoded Inputs ....................................................................................................... 524
20.7. TIMER Quadrature Decoder Configuration .............................................................................................. 524
20.8. TIMER X2 Decoding Mode .................................................................................................................. 525
20.9. TIMER X4 Decoding Mode .................................................................................................................. 525
20.10. TIMER Input Pin Logic ...................................................................................................................... 526
20.11. TIMER Input Capture Buffer Functionality ............................................................................................. 526
20.12. TIMER Output Compare/PWM Buffer Functionality ................................................................................. 527
20.13. TIMER Input Capture ........................................................................................................................ 527
20.14. TIMER Period and/or Pulse width Capture ............................................................................................ 528
20.15. TIMER Block Diagram Showing Comparison Functionality ........................................................................ 528
20.16. TIMER Output Logic ......................................................................................................................... 529
20.17. TIMER Up-count Frequency Generation ............................................................................................... 529
20.18. TIMER Up-count PWM Generation ...................................................................................................... 529
20.19. TIMER CC out in 2x mode ................................................................................................................ 530
20.20. TIMER Up/Down-count PWM Generation .............................................................................................. 531
20.21. TIMER CC out in 2x mode ................................................................................................................ 531
20.22. TIMER Dead-Time Insertion Unit Overview ........................................................................................... 532
20.23. TIMER Triple Half-Bridge ................................................................................................................... 532
20.24. TIMER Overview of Dead-Time Insertion Block for a Single PWM channel .................................................. 533
20.25. TIMER Polarity of Both Signals are Set as Active-High ............................................................................ 533
20.26. TIMER Output Polarities .................................................................................................................... 534
21.1. RTC Overview ................................................................................................................................... 557
22.1. BURTC Overview .............................................................................................................................. 566
23.1. LETIMER Overview ............................................................................................................................ 580
23.2. LETIMER State Machine for Free-running Mode ...................................................................................... 582
23.3. LETIMER One-shot Repeat State Machine ............................................................................................. 583
23.4. LETIMER Buffered Repeat State Machine .............................................................................................. 584
23.5. LETIMER Double Repeat State Machine ................................................................................................ 585
23.6. LETIMER Simple Waveforms Output ..................................................................................................... 587
23.7. LETIMER Repeated Counting .............................................................................................................. 587
23.8. LETIMER Dual Output ........................................................................................................................ 587
23.9. LETIMER Triggered Operation ............................................................................................................. 588
23.10. LETIMER Continuous Operation ......................................................................................................... 589
23.11. LETIMER LETIMERn_CNT Not Initialized to 0 ....................................................................................... 590
24.1. PCNT Overview ................................................................................................................................. 602
24.2. PCNT Quadrature Coding ................................................................................................................... 603
24.3. PCNT Direction Change Interrupt (DIRCNG) Generation ........................................................................... 606
25.1. LESENSE block diagram ..................................................................................................................... 617
25.2. Scan sequence ................................................................................................................................. 619
25.3. Timing diagram, short excitation ........................................................................................................... 619
25.4. Pin sequencing .................................................................................................................................. 621
25.5. Scan result and interrupt generation ...................................................................................................... 622
25.6. Sensor scan and decode sequence ...................................................................................................... 622
25.7. Decoder state transition evaluation ........................................................................................................ 623
25.8. Decoder hysteresis ............................................................................................................................ 624
25.9. Circular result buffer ........................................................................................................................... 625
25.10. Capacitive sense setup ..................................................................................................................... 627
25.11. LC sensor setup .............................................................................................................................. 627
25.12. LC sensor oscillations ....................................................................................................................... 628
25.13. FSM example 1 ............................................................................................................................... 628
25.14. FSM example 2 ............................................................................................................................... 629
26.1. ACMP Overview ................................................................................................................................ 662
2013-05-08 - Wonder Gecko Family - d0233_Rev0.50
827
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