C8051F860-B-IU datasheet(4/290 Pages) SILABS

Part #	C8051F860-B-IU

Description	Low-Cost 8-bit MCU Family with up to 8 kB of Flash

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Manufacturer	SILABS [Silicon Laboratories]

Direct Link	http://www.silabs.com

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C8051F85x/86x

4

Preliminary Rev 0.6

14.9.Temperature Sensor....................................................................................................90

14.9.1.Calibration ...........................................................................................................90

14.10.ADC Control Registers...............................................................................................91

15.CIP-51 Microcontroller Core ...........................................................................................106

15.1.Performance ..............................................................................................................106

15.2.Programming and Debugging Support ......................................................................107

15.3.Instruction Set............................................................................................................107

15.3.1.Instruction and CPU Timing...............................................................................107

15.4.CPU Core Registers ..................................................................................................112

16.Clock Sources and Selection (HFOSC0, LFOSC0, and EXTCLK)................................118

16.1.Programmable High-Frequency Oscillator.................................................................118

16.2.Programmable Low-Frequency Oscillator..................................................................118

16.2.1.Calibrating the Internal L-F Oscillator................................................................118

16.3.External Clock............................................................................................................118

16.4.Clock Selection ..........................................................................................................119

16.5.High Frequency Oscillator Control Registers.............................................................120

16.6.Low Frequency Oscillator Control Registers..............................................................121

16.7.Clock Selection Control Registers .............................................................................122

17.Comparators (CMP0 and CMP1).....................................................................................123

17.1.System Connectivity ..................................................................................................123

17.2.Functional Description ...............................................................................................126

17.3.Comparator Control Registers ...................................................................................127

18.Cyclic Redundancy Check Unit (CRC0).........................................................................133

18.1.CRC Algorithm...........................................................................................................133

18.2.Preparing for a CRC Calculation................................................................................135

18.3.Performing a CRC Calculation...................................................................................135

18.4.Accessing the CRC0 Result.......................................................................................135

18.5.CRC0 Bit Reverse Feature ........................................................................................135

18.6.CRC Control Registers ..............................................................................................136

19.External Interrupts (INT0 and INT1)................................................................................142

19.1.External Interrupt Control Registers...........................................................................143

20.Programmable Counter Array (PCA0)............................................................................146

20.1.PCA Counter/Timer....................................................................................................147

20.2.PCA0 Interrupt Sources.............................................................................................147

20.3.Capture/Compare Modules........................................................................................148

20.3.1.Output Polarity...................................................................................................148

20.3.2.Edge-triggered Capture Mode...........................................................................149

20.3.3.Software Timer (Compare) Mode......................................................................150

20.3.4.High-Speed Output Mode..................................................................................151

20.3.5.Frequency Output Mode....................................................................................152

20.4.PWM Waveform Generation......................................................................................153

20.4.1.Edge Aligned PWM ...........................................................................................153

20.4.2.Center Aligned PWM.........................................................................................155

20.4.3. 8 to11-bit Pulse Width Modulator Modes..........................................................157

20.4.4. 16-Bit Pulse Width Modulator Mode.................................................................158

20.5.Comparator Clear Function........................................................................................159

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