C8051F52X_12 Datasheet, PDF (3/221 Pages) Silicon Laboratories – 8/4/2 kB ISP Flash MCU Family

C8051F52x/F53x
Table of Contents
1. System Overview ..................................................................................................... 13
1.1. Ordering Information.......................................................................................... 14
1.2. CIP-51™ Microcontroller ................................................................................... 18
1.2.1. Fully 8051 Compatible Instruction Set ...................................................... 18
1.2.2. Improved Throughput................................................................................ 18
1.2.3. Additional Features ................................................................................... 18
1.2.4. On-Chip Debug Circuitry ........................................................................... 18
1.3. On-Chip Memory ............................................................................................... 20
1.4. Operating Modes ............................................................................................... 21
1.5. 12-Bit Analog to Digital Converter ..................................................................... 22
1.6. Programmable Comparator ............................................................................... 23
1.7. Voltage Regulator.............................................................................................. 23
1.8. Serial Port.......................................................................................................... 23
1.9. Port Input/Output ............................................................................................... 24
2. Electrical Characteristics ........................................................................................ 25
2.1. Absolute Maximum Ratings............................................................................... 25
2.2. Electrical Characteristics ................................................................................... 26
3. Pinout and Package Definitions ............................................................................. 35
4. 12-Bit ADC (ADC0) ................................................................................................... 52
4.1. Analog Multiplexer ............................................................................................. 52
4.2. Temperature Sensor.......................................................................................... 53
4.3. ADC0 Operation ................................................................................................ 54
4.3.1. Starting a Conversion................................................................................ 54
4.3.2. Tracking Modes......................................................................................... 54
4.3.3. Timing ....................................................................................................... 55
4.3.4. Burst Mode................................................................................................ 57
4.3.5. Output Conversion Code........................................................................... 59
4.3.6. Settling Time Requirements...................................................................... 60
4.4. Selectable Gain ................................................................................................. 60
4.4.1. Calculating the Gain Value........................................................................ 61
4.4.2. Setting the Gain Value .............................................................................. 62
4.5. Programmable Window Detector....................................................................... 69
4.5.1. Window Detector In Single-Ended Mode .................................................. 71
5. Voltage Reference.................................................................................................... 72
6. Voltage Regulator (REG0) ....................................................................................... 74
7. Comparator ............................................................................................................. 76
8. CIP-51 Microcontroller............................................................................................. 81
8.1. Instruction Set.................................................................................................... 82
8.1.1. Instruction and CPU Timing ...................................................................... 82
8.1.2. MOVX Instruction and Program Memory .................................................. 83
8.2. Register Descriptions ........................................................................................ 86
8.3. Power Management Modes............................................................................... 89
8.3.1. Idle Mode .................................................................................................. 90
Rev. 1.4
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