C8051F987-C-GM datasheet(3/325 Pages) SILABS

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C8051F987-C-GM Datasheet(PDF) 3 Page - Silicon Laboratories

Part #	C8051F987-C-GM

Description	Ultra Low Power, 8-2 kB Flash, Capacitive Sensing MCU

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Manufacturer	SILABS [Silicon Laboratories]

Direct Link	http://www.silabs.com

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Rev. 1.2

C8051F99x-C8051F98x

6.2. IREF0 Specifications......................................................................................... 92

7. Comparator ............................................................................................................. 93

7.1. Comparator Inputs ............................................................................................ 93

7.2. Comparator Outputs ......................................................................................... 94

7.3. Comparator Response Time............................................................................. 94

7.4. Comparator Hysteresis ..................................................................................... 94

7.5. Comparator Register Descriptions.................................................................... 95

7.6. Comparator0 Analog Multiplexer ...................................................................... 98

8. Capacitive Sense (CS0)........................................................................................ 100

8.1. Configuring Port Pins as Capacitive Sense Inputs ......................................... 101

8.2. Initializing the Capacitive Sensing Peripheral ................................................. 101

8.3. Capacitive Sense Start-Of-Conversion Sources............................................. 101

8.4. CS0 Multiple Channel Enable ......................................................................... 102

8.5. CS0 Gain Adjustment ..................................................................................... 102

8.6. Wake from Suspend ....................................................................................... 102

8.7. Using CS0 in Applications that Utilize Sleep Mode......................................... 102

8.8. Automatic Scanning (Method 1—CS0SMEN = 0) .......................................... 103

8.9. Automatic Scanning (Method 2—CS0SMEN = 1) .......................................... 104

8.10.CS0 Comparator............................................................................................. 104

8.11.CS0 Conversion Accumulator ........................................................................ 105

8.12.CS0 Pin Monitor ............................................................................................. 106

8.13.Adjusting CS0 For Special Situations............................................................. 106

8.14.Capacitive Sense Multiplexer ......................................................................... 117

9. CIP-51 Microcontroller ......................................................................................... 119

9.1. Performance ................................................................................................... 119

9.2. Programming and Debugging Support ........................................................... 120

9.3. Instruction Set ................................................................................................. 120

9.3.1. Instruction and CPU Timing ................................................................... 120

9.4. CIP-51 Register Descriptions.......................................................................... 125

10. Memory Organization........................................................................................... 128

10.1.Program Memory............................................................................................ 129

10.1.1.MOVX Instruction and Program Memory ............................................... 129

10.2.Data Memory .................................................................................................. 129

10.2.1.Internal RAM .......................................................................................... 129

10.2.2.External RAM ......................................................................................... 130

11. On-Chip XRAM...................................................................................................... 131

11.1.Accessing XRAM............................................................................................ 131

11.1.1.16-Bit MOVX Example ........................................................................... 131

11.1.2.8-Bit MOVX Example ............................................................................. 131

12. Special Function Registers ................................................................................. 132

12.1.SFR Paging .................................................................................................... 133

13. Interrupt Handler .................................................................................................. 138

13.1.Enabling Interrupt Sources ............................................................................. 138

13.2.MCU Interrupt Sources and Vectors............................................................... 138

13.3.Interrupt Priorities ........................................................................................... 139

Similar Part No. - C8051F987-C-GM

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Similar Description - C8051F987-C-GM

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