C8051F310 datasheet(3/228 Pages) SILABS

3 / 228 page

Rev. 1.7

C8051F310/1/2/3/4/5/6/7

Table Of Contents

1. System Overview.................................................................................................... 17

1.1. CIP-51™ Microcontroller Core.......................................................................... 27

1.1.1. Fully 8051 Compatible.............................................................................. 27

1.1.2. Improved Throughput ............................................................................... 27

1.1.3. Additional Features .................................................................................. 28

1.2. On-Chip Memory............................................................................................... 29

1.3. On-Chip Debug Circuitry................................................................................... 30

1.4. Programmable Digital I/O and Crossbar ........................................................... 31

1.5. Serial Ports ....................................................................................................... 32

1.6. Programmable Counter Array ........................................................................... 32

1.7. 10-Bit Analog to Digital Converter..................................................................... 33

1.8. Comparators ..................................................................................................... 34

2. Absolute Maximum Ratings .................................................................................. 35

3. Global DC Electrical Characteristics .................................................................... 36

4. Pinout and Package Definitions............................................................................ 39

5. 10-Bit ADC (ADC0, C8051F310/1/2/3/6 only) ........................................................ 51

5.1. Analog Multiplexer ............................................................................................ 51

5.2. Temperature Sensor ......................................................................................... 52

5.3. Modes of Operation .......................................................................................... 54

5.3.1. Starting a Conversion............................................................................... 54

5.3.2. Tracking Modes........................................................................................ 55

5.3.3. Settling Time Requirements ..................................................................... 56

5.4. Programmable Window Detector ...................................................................... 61

5.4.1. Window Detector In Single-Ended Mode ................................................. 63

5.4.2. Window Detector In Differential Mode...................................................... 64

6. Voltage Reference (C8051F310/1/2/3/6 only)........................................................ 67

7. Comparators ........................................................................................................... 69

8. CIP-51 Microcontroller .......................................................................................... 79

8.1. Instruction Set ................................................................................................... 80

8.1.1. Instruction and CPU Timing ..................................................................... 80

8.1.2. MOVX Instruction and Program Memory ................................................. 81

8.2. Memory Organization........................................................................................ 85

8.2.1. Program Memory...................................................................................... 85

8.2.2. Data Memory............................................................................................ 86

8.2.3. General Purpose Registers ...................................................................... 86

8.2.4. Bit Addressable Locations........................................................................ 86

8.2.5. Stack ....................................................................................................... 86

8.2.6. Special Function Registers....................................................................... 87

8.2.7. Register Descriptions ............................................................................... 90

8.3. Interrupt Handler ............................................................................................... 93

8.3.1. MCU Interrupt Sources and Vectors ........................................................ 94

8.3.2. External Interrupts .................................................................................... 95

8.3.3. Interrupt Priorities ..................................................................................... 95

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