C8051F850-B-GM Datasheet, PDF (3/290 Pages) Silicon Laboratories – Low-Cost 8-bit MCU Family with up to 8 kB of Flash

C8051F85x/86x
8.2.3. Special Function Registers .................................................................................. 48
9. Special Function Register Memory Map.......................................................................... 49
10. Flash Memory..................................................................................................................... 54
10.1.Security Options........................................................................................................... 54
10.2.Programming The Flash Memory ................................................................................ 56
10.2.1.Flash Lock and Key Functions ............................................................................56
10.2.2.Flash Erase Procedure........................................................................................ 56
10.2.3.Flash Write Procedure......................................................................................... 56
10.3.Non-volatile Data Storage............................................................................................ 57
10.4.Flash Write and Erase Guidelines ............................................................................... 57
10.4.1.Voltage Supply Maintenance and the Supply Monitor.........................................57
10.4.2.PSWE Maintenance ............................................................................................ 57
10.4.3.System Clock....................................................................................................... 58
10.5.Flash Control Registers ............................................................................................... 59
11. Device Identification .......................................................................................................... 62
11.1.Device Identification Registers..................................................................................... 62
12. Interrupts ............................................................................................................................ 65
12.1.MCU Interrupt Sources and Vectors ............................................................................65
12.1.1.Interrupt Priorities ................................................................................................ 65
12.1.2.Interrupt Latency.................................................................................................. 65
12.2.Interrupt Control Registers........................................................................................... 67
13. Power Management and Internal Regulator .................................................................... 74
13.1.Power Modes ...............................................................................................................74
13.1.1.Idle Mode............................................................................................................. 74
13.1.2.Stop Mode ........................................................................................................... 75
13.2.LDO Regulator .............................................................................................................75
13.3.Power Control Registers .............................................................................................. 75
13.4.LDO Control Registers.................................................................................................76
14. Analog-to-Digital Converter (ADC0)................................................................................. 78
14.1.ADC0 Analog Multiplexer............................................................................................. 79
14.2.ADC Operation.............................................................................................................80
14.2.1.Starting a Conversion ..........................................................................................80
14.2.2.Tracking Modes ................................................................................................... 80
14.2.3.Burst Mode .......................................................................................................... 81
14.2.4.Settling Time Requirements ................................................................................ 82
14.2.5.Gain Setting......................................................................................................... 83
14.3.8-Bit Mode.................................................................................................................... 83
14.4.12-Bit Mode.................................................................................................................. 83
14.5.Power Considerations.................................................................................................. 84
14.6.Output Code Formatting .............................................................................................. 86
14.7.Programmable Window Detector ................................................................................. 87
14.7.1.Window Detector In Single-Ended Mode............................................................. 87
14.8.Voltage and Ground Reference Options...................................................................... 89
14.8.1.External Voltage Reference................................................................................. 89
14.8.2.Internal Voltage Reference.................................................................................. 89
14.8.3.Analog Ground Reference...................................................................................89
Preliminary Rev 0.6
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