Silicon Laboratories C8051F344 ユーザーズマニュアル

Rev. 0.5

3

C8051F340/1/2/3/4/5/6/7

Table Of Contents

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

1.1. CIP-51™ Microcontroller Core.......................................................................... 21

1.1.1. Fully 8051 Compatible.............................................................................. 21
1.1.2. Improved Throughput ............................................................................... 21
1.1.3. Additional Features .................................................................................. 21

1.2. On-Chip Memory............................................................................................... 23
1.3. Universal Serial Bus Controller ......................................................................... 24
1.4. Voltage Regulator ............................................................................................. 25
1.5. On-Chip Debug Circuitry................................................................................... 25
1.6. Programmable Digital I/O and Crossbar ........................................................... 26
1.7. Serial Ports ....................................................................................................... 27
1.8. Programmable Counter Array ........................................................................... 27
1.9. 10-Bit Analog to Digital Converter..................................................................... 28
1.10.Comparators..................................................................................................... 29

2. Absolute Maximum Ratings .................................................................................. 30
3. Global DC Electrical Characteristics .................................................................... 31
4. Pinout and Package Definitions............................................................................ 33
5. 10-Bit ADC (ADC0).................................................................................................. 41

5.1. Analog Multiplexer ............................................................................................ 42
5.2. Temperature Sensor ......................................................................................... 43
5.3. Modes of Operation .......................................................................................... 45

5.3.1. Starting a Conversion............................................................................... 45
5.3.2. Tracking Modes........................................................................................ 46
5.3.3. Settling Time Requirements ..................................................................... 47

5.4. Programmable Window Detector ...................................................................... 52

5.4.1. Window Detector In Single-Ended Mode ................................................. 54
5.4.2. Window Detector In Differential Mode...................................................... 55

6. Voltage Reference .................................................................................................. 57
7. Comparators ........................................................................................................... 59
8. Voltage Regulator (REG0)...................................................................................... 69

8.1. Regulator Mode Selection................................................................................. 69
8.2. VBUS Detection ................................................................................................ 69

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 ................................................. 75

9.2. Memory Organization........................................................................................ 79

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
9.2.5. Stack ....................................................................................................... 80
9.2.6. Special Function Registers....................................................................... 81
9.2.7. Register Descriptions ............................................................................... 85