C8051F970-A-GM Datasheet, PDF (8/454 Pages) Silicon Laboratories – Low Power Capacitive Sensing MCU with up to 32 kB of Flash

C8051F97x
30.3.4.HS-mode ........................................................................................................... 368
30.3.5.DMA and CPU Mode Operations ...................................................................... 369
30.4.Using the I2CSLAVE0 Module................................................................................... 369
30.4.1.I2C0CNTL Control Register............................................................................... 369
30.4.2.I2C0STAT Status Register ................................................................................ 369
30.4.3.I2C0SLAD Slave Address Register ...................................................................370
30.4.4.I2C0DIN Received Data Register...................................................................... 370
30.4.5.I2C0DOUT Transmit Data Register...................................................................370
30.5.I2C Transfer Modes ................................................................................................... 371
30.5.1.I2C Write Sequence (CPU mode) ..................................................................... 371
30.5.2.I2C Read Sequence (CPU mode) ..................................................................... 372
30.5.3.I2C Write Sequence (DMA mode) ..................................................................... 372
30.5.4.I2C Read Sequence (DMA Mode)..................................................................... 374
30.6.I2CSLAVE0 Slave Registers...................................................................................... 375
31. Universal Asynchronous Receiver/Transmitter (UART0) ............................................ 381
31.1.Enhanced Baud Rate Generation .............................................................................. 381
31.2.Operational Modes..................................................................................................... 383
31.2.1.8-Bit UART ........................................................................................................ 383
31.2.2.9-Bit UART ........................................................................................................ 384
31.3.Multiprocessor Communications................................................................................ 385
31.4.UART Control Registers ............................................................................................ 387
32. Timers (Timer0, Timer1, Timer2, and Timer3) ............................................................... 390
32.1.Timer 0 and Timer 1................................................................................................... 391
32.1.1.Mode 0: 13-bit Counter/Timer............................................................................ 392
32.1.2.Mode 1: 16-bit Counter/Timer............................................................................ 392
32.1.3.Mode 2: 8-bit Counter/Timer with Auto-Reload ................................................. 393
32.1.4.Mode 3: Two 8-bit Counter/Timers (Timer 0 Only) ............................................ 394
32.2.Timer 2....................................................................................................................... 395
32.3.Timer 3....................................................................................................................... 398
32.4.Timer Control Registers ............................................................................................. 401
32.5.Timer 0/1 Registers.................................................................................................... 405
32.6.Timer 2 Registers....................................................................................................... 409
32.7.Timer 3 Registers....................................................................................................... 415
33. Programmable Counter Array (PCA0)............................................................................ 421
33.1.PCA Counter/Timer.................................................................................................... 422
33.2.PCA0 Interrupt Sources ............................................................................................. 423
33.3.Capture/Compare Modules........................................................................................424
33.3.1.Edge-triggered Capture Mode ........................................................................... 425
33.3.2.Software Timer (Compare) Mode ...................................................................... 426
33.3.3.High-Speed Output Mode.................................................................................. 427
33.3.4.Frequency Output Mode.................................................................................... 428
33.3.5. 8-bit, 9-bit, 10-bit and 11-bit Pulse Width Modulator Modes............................. 428
33.3.6. 8-Bit Pulse Width Modulator Mode ...................................................................429
33.3.7. 9/10/11-bit Pulse Width Modulator Mode ......................................................... 430
33.3.8. 16-Bit Pulse Width Modulator Mode ................................................................. 431
33.4.Watchdog Timer Mode...............................................................................................432
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Rev 1.0