C8051F331 datasheet(3/216 Pages) SILABS

3 / 216 page

Rev. 1.5

C8051F330/1/2/3/4/5

Table of Contents

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

1.1. CIP-51™ Microcontroller Core.......................................................................... 22

1.1.1. Fully 8051 Compatible.............................................................................. 22

1.1.2. Improved Throughput ............................................................................... 22

1.1.3. Additional Features .................................................................................. 23

1.2. On-Chip Memory............................................................................................... 24

1.3. On-Chip Debug Circuitry................................................................................... 25

1.4. Programmable Digital I/O and Crossbar ........................................................... 26

1.5. Serial Ports ....................................................................................................... 26

1.6. Programmable Counter Array ........................................................................... 27

1.7. 10-Bit Analog to Digital Converter..................................................................... 28

1.8. Comparators ..................................................................................................... 29

1.9. 10-bit Current Output DAC................................................................................ 30

2. Absolute Maximum Ratings .................................................................................. 31

3. Global Electrical Characteristics .......................................................................... 32

4. Pinout and Package Definitions............................................................................ 35

5. 10-Bit ADC (ADC0, C8051F330/2/4 only) .............................................................. 43

5.1. Analog Multiplexer ............................................................................................ 43

5.2. Temperature Sensor ......................................................................................... 44

5.3. Modes of Operation .......................................................................................... 45

5.3.1. Starting a Conversion............................................................................... 46

5.3.2. Tracking Modes........................................................................................ 47

5.3.3. Settling Time Requirements ..................................................................... 48

5.4. Programmable Window Detector ...................................................................... 53

5.4.1. Window Detector In Single-Ended Mode ................................................. 55

5.4.2. Window Detector In Differential Mode...................................................... 56

6. 10-Bit Current Mode DAC (IDA0, C8051F330 only).............................................. 59

6.1. IDA0 Output Scheduling ................................................................................... 59

6.1.1. Update Output On-Demand ..................................................................... 59

6.1.2. Update Output Based on Timer Overflow ................................................ 60

6.1.3. Update Output Based on CNVSTR Edge................................................. 60

6.2. IDAC Output Mapping....................................................................................... 60

7. Voltage Reference (C8051F330/2/4 only).............................................................. 63

8. Comparator0 ........................................................................................................... 67

9. CIP-51 Microcontroller ........................................................................................... 73

9.1. Instruction Set ................................................................................................... 74

9.1.1. Instruction and CPU Timing ..................................................................... 74

9.1.2. MOVX Instruction and Program Memory ................................................. 74

9.2. Memory Organization........................................................................................ 78

9.2.1. Program Memory...................................................................................... 79

9.2.2. Data Memory............................................................................................ 80

9.2.3. General Purpose Registers ...................................................................... 80

9.2.4. Bit Addressable Locations........................................................................ 80

C8051F331 数据表(PDF) 3 Page - Silicon Laboratories

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