C8051F040-GQR datasheet(4/328 Pages) SILABS | Mixed Signal ISP Flash MCU Family

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C8051F040-GQR Datasheet(PDF) 4 Page - Silicon Laboratories

Part No.	C8051F040-GQR

Description	Mixed Signal ISP Flash MCU Family

Download	328 Pages

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Manufacturer	SILABS [Silicon Laboratories]

Direct Link	http://www.silabs.com

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C8051F040/1/2/3/4/5/6/7

Rev. 1.5

7.3.2. Window Detector in Differential Mode .................................................... 102

8. DACs, 12-Bit Voltage Mode (C8051F040/1/2/3 Only) ......................................... 105

8.1. DAC Output Scheduling.................................................................................. 106

8.1.1. Update Output On-Demand ................................................................... 106

8.1.2. Update Output Based on Timer Overflow .............................................. 106

8.2. DAC Output Scaling/Justification .................................................................... 106

9. Voltage Reference (C8051F040/2/4/6) ................................................................. 113

10. Voltage Reference (C8051F041/3/5/7) ................................................................. 117

11. Comparators ......................................................................................................... 121

11.1.Comparator Inputs.......................................................................................... 123

12. CIP-51 Microcontroller ......................................................................................... 127

12.1.Instruction Set................................................................................................. 129

12.1.1.Instruction and CPU Timing ................................................................... 129

12.1.2.MOVX Instruction and Program Memory ............................................... 129

12.2.Memory Organization ..................................................................................... 133

12.2.1.Program Memory ................................................................................... 133

12.2.2.Data Memory.......................................................................................... 134

12.2.3.General Purpose Registers.................................................................... 134

12.2.4.Bit Addressable Locations...................................................................... 134

12.2.5.Stack ..................................................................................................... 134

12.2.6.Special Function Registers .................................................................... 135

12.2.7.Register Descriptions ............................................................................. 150

12.3.Interrupt Handler............................................................................................. 153

12.3.1.MCU Interrupt Sources and Vectors ...................................................... 153

12.3.2.External Interrupts.................................................................................. 154

12.3.3.Interrupt Priorities................................................................................... 156

12.3.4.Interrupt Latency .................................................................................... 156

12.3.5.Interrupt Register Descriptions............................................................... 156

12.4.Power Management Modes............................................................................ 163

12.4.1.Idle Mode ............................................................................................... 163

12.4.2.Stop Mode.............................................................................................. 164

13. Reset Sources....................................................................................................... 165

13.1.Power-On Reset ............................................................................................. 166

13.2.Power-Fail Reset ............................................................................................ 166

13.3.External Reset ................................................................................................ 166

13.4.Missing Clock Detector Reset ........................................................................ 167

13.5.Comparator0 Reset ........................................................................................ 167

13.6.External CNVSTR0 Pin Reset ........................................................................ 167

13.7.Watchdog Timer Reset................................................................................... 167

13.7.1.Enable/Reset WDT ................................................................................ 168

13.7.2.Disable WDT .......................................................................................... 168

13.7.3.Disable WDT Lockout ............................................................................ 168

13.7.4.Setting WDT Interval .............................................................................. 168

14. Oscillators ............................................................................................................. 173

14.1.Programmable Internal Oscillator ................................................................... 173

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