C8051F970-A-GM Datasheet, PDF (3/454 Pages) Silicon Laboratories – Low Power Capacitive Sensing MCU with up to 32 kB of Flash

C8051F97x
8.1.1. MOVX Instruction and Program Memory............................................................. 55
8.2. Data Memory................................................................................................................ 55
8.2.1. Internal RAM........................................................................................................55
8.2.2. External RAM....................................................................................................... 56
8.2.3. Special Function Registers .................................................................................. 56
9. Special Function Register Memory Map.......................................................................... 57
10. Flash Memory..................................................................................................................... 65
10.1.Security Options........................................................................................................... 65
10.2.Programming The Flash Memory ................................................................................ 67
10.2.1.Flash Lock and Key Functions ............................................................................67
10.2.2.Flash Erase Procedure........................................................................................ 67
10.2.3.Flash Write Procedure......................................................................................... 67
10.3.Non-volatile Data Storage............................................................................................ 68
10.4.Flash Write and Erase Guidelines ............................................................................... 68
10.4.1.Voltage Supply Maintenance and the Supply Monitor.........................................68
10.4.2.PSWE Maintenance ............................................................................................ 68
10.4.3.System Clock....................................................................................................... 69
10.5.Flash Control Registers ............................................................................................... 70
11. On-Chip XRAM ................................................................................................................... 74
11.1.Accessing XRAM ......................................................................................................... 74
11.1.1.16-Bit MOVX Example......................................................................................... 74
11.1.2.8-Bit MOVX Example........................................................................................... 74
11.2.External Memory Interface Registers........................................................................... 75
12. Device Identification and Unique Identifier .....................................................................76
12.1.Device Identification Registers..................................................................................... 77
13. Interrupts ............................................................................................................................ 79
13.1.MCU Interrupt Sources and Vectors ............................................................................79
13.1.1.Interrupt Priorities ................................................................................................ 79
13.1.2.Interrupt Latency.................................................................................................. 79
13.2.Interrupt Control Registers........................................................................................... 82
14. External Interrupts (INT0 and INT1).................................................................................. 91
14.1.External Interrupt Control Registers............................................................................. 92
15. Voltage Regulator (VREG0)............................................................................................... 93
15.1.Voltage Regulator Control Registers ........................................................................... 93
16. Power Management ........................................................................................................... 94
16.1.Normal Active Mode..................................................................................................... 95
16.2.Idle Mode ..................................................................................................................... 96
16.3.Stop Mode.................................................................................................................... 97
16.4.Suspend Mode............................................................................................................. 97
16.5.Sleep Mode.................................................................................................................. 97
16.6.Low Power Active Mode .............................................................................................. 98
16.7.Low Power Idle Mode .................................................................................................. 98
16.8.Configuring Wakeup Sources ...................................................................................... 99
16.9.Determining the Event that Caused the Last Wakeup ................................................. 99
16.10.Power Control Registers .......................................................................................... 100
17. Analog-to-Digital Converter (ADC0)............................................................................... 104
Rev 1.0
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