SI102X Datasheet, PDF (10/538 Pages) Silicon Laboratories – Ultra Low Power 128K, LCD MCU Family

Si102x/3x
31.6. Using SPI1 with the DMA .............................................................................. 435
31.7. Master Mode SPI1 DMA Transfers................................................................ 435
31.8. Master Mode Bidirectional Data Transfer ...................................................... 435
31.9. Master Mode Unidirectional Data Transfer.................................................... 437
31.10. SPI Special Function Registers ................................................................... 437
32. EZRadioPRO^® 240–960 MHz Transceiver.......................................................... 443
32.1. EZRadioPRO Operating Modes .................................................................... 444
32.1.1. Operating Mode Control ....................................................................... 445
32.2. Interrupts ...................................................................................................... 447
32.3. System Timing............................................................................................... 448
32.3.1. Frequency Control................................................................................. 449
32.3.2. Frequency Programming....................................................................... 449
32.3.3. Easy Frequency Programming for FHSS.............................................. 451
32.3.4. Automatic State Transition for Frequency Change ............................... 452
32.3.5. Frequency Deviation ............................................................................. 452
32.3.6. Frequency Offset Adjustment................................................................ 453
32.3.7. Automatic Frequency Control (AFC) ..................................................... 453
32.3.8. TX Data Rate Generator ....................................................................... 455
32.4. Modulation Options........................................................................................ 455
32.4.1. Modulation Type.................................................................................... 455
32.4.2. Modulation Data Source........................................................................ 456
32.4.3. PN9 Mode ............................................................................................. 460
32.5. Internal Functional Blocks ............................................................................. 460
32.5.1. RX LNA ................................................................................................. 460
32.5.2. RX I-Q Mixer ......................................................................................... 460
32.5.3. Programmable Gain Amplifier ............................................................... 460
32.5.4. ADC ..................................................................................................... 461
32.5.5. Digital Modem ....................................................................................... 461
32.5.6. Synthesizer ........................................................................................... 462
32.5.7. Power Amplifier ..................................................................................... 463
32.5.8. Crystal Oscillator ................................................................................... 464
32.5.9. Regulators............................................................................................. 464
32.6. Data Handling and Packet Handler ............................................................... 465
32.6.1. RX and TX FIFOs.................................................................................. 465
32.6.2. Packet Configuration............................................................................. 466
32.6.3. Packet Handler TX Mode ...................................................................... 467
32.6.4. Packet Handler RX Mode...................................................................... 467
32.6.5. Data Whitening, Manchester Encoding, and CRC ................................ 469
32.6.6. Preamble Detector ................................................................................ 470
32.6.7. Preamble Length................................................................................... 470
32.6.8. Invalid Preamble Detector..................................................................... 471
32.6.9. Synchronization Word Configuration..................................................... 471
32.6.10. Receive Header Check ....................................................................... 472
32.6.11. TX Retransmission and Auto TX......................................................... 472
32.7. RX Modem Configuration .............................................................................. 473
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Rev. 0.3