C8051F97X View Datasheet(PDF) - Silicon Laboratories

Part Name

Description

Manufacturer

C8051F97X

Low Power Capacitive Sensing MCU with up to 32 kB of Flash

Silicon Laboratories 

30.3.4.HS-mode ........................................................................................................... 367

30.3.5.DMA and CPU Mode Operations ...................................................................... 368

30.4.Using the I2CSLAVE0 Module................................................................................... 368

30.4.1.I2C0CNTL Control Register............................................................................... 368

30.4.2.I2C0STAT Status Register ................................................................................ 368

30.4.3.I2C0SLAD Slave Address Register ...................................................................369

30.4.4.I2C0DIN Received Data Register...................................................................... 369

30.4.5.I2C0DOUT Transmit Data Register...................................................................369

30.5.I2C Transfer Modes ................................................................................................... 370

30.5.1.I2C Write Sequence (CPU mode) ..................................................................... 370

30.5.2.I2C Read Sequence (CPU mode) ..................................................................... 371

30.5.3.I2C Write Sequence (DMA mode) ..................................................................... 371

30.5.4.I2C Read Sequence (DMA Mode)..................................................................... 373

30.6.I2CSLAVE0 Slave Registers...................................................................................... 374

31. Universal Asynchronous Receiver/Transmitter (UART0) ............................................ 380

31.1.Enhanced Baud Rate Generation .............................................................................. 380

31.2.Operational Modes..................................................................................................... 382

31.2.1.8-Bit UART ........................................................................................................ 382

31.2.2.9-Bit UART ........................................................................................................ 383

31.3.Multiprocessor Communications................................................................................ 384

31.4.UART Control Registers ............................................................................................ 386

32. Timers (Timer0, Timer1, Timer2, and Timer3) ............................................................... 389

32.1.Timer 0 and Timer 1................................................................................................... 390

32.1.1.Mode 0: 13-bit Counter/Timer............................................................................ 391

32.1.2.Mode 1: 16-bit Counter/Timer............................................................................ 391

32.1.3.Mode 2: 8-bit Counter/Timer with Auto-Reload ................................................. 392

32.1.4.Mode 3: Two 8-bit Counter/Timers (Timer 0 Only) ............................................ 393

32.2.Timer 2....................................................................................................................... 394

32.3.Timer 3....................................................................................................................... 397

32.4.Timer Control Registers ............................................................................................. 400

32.5.Timer 0/1 Registers.................................................................................................... 404

32.6.Timer 2 Registers....................................................................................................... 408

32.7.Timer 3 Registers....................................................................................................... 414

33. Programmable Counter Array (PCA0)............................................................................ 420

33.1.PCA Counter/Timer.................................................................................................... 421

33.2.PCA0 Interrupt Sources ............................................................................................. 422

33.3.Capture/Compare Modules........................................................................................423

33.3.1.Edge-triggered Capture Mode ........................................................................... 424

33.3.2.Software Timer (Compare) Mode ...................................................................... 425

33.3.3.High-Speed Output Mode.................................................................................. 426

33.3.4.Frequency Output Mode.................................................................................... 427

33.3.5. 8-bit, 9-bit, 10-bit and 11-bit Pulse Width Modulator Modes............................. 427

33.3.6. 8-Bit Pulse Width Modulator Mode ...................................................................428

33.3.7. 9/10/11-bit Pulse Width Modulator Mode ......................................................... 429

33.3.8. 16-Bit Pulse Width Modulator Mode ................................................................. 430

33.4.Watchdog Timer Mode...............................................................................................431

Rev 1.1

8

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