Rev. 1.4 3
C8051F320/1
Table of Contents
1. System Overview.................................................................................................... 15
1.1. CIP-51™ Microcontroller Core.......................................................................... 18
1.1.1. Fully 8051 Compatible.............................................................................. 18
1.1.2. Improved Throughput............................................................................... 18
1.1.3. Additional Features .................................................................................. 18
1.2. On-Chip Memory............................................................................................... 19
1.3. Universal Serial Bus Controller......................................................................... 20
1.4. Voltage Regulator ............................................................................................. 21
1.5. On-Chip Debug Circuitry................................................................................... 21
1.6. Programmable Digital I/O and Crossbar........................................................... 22
1.7. Serial Ports ....................................................................................................... 23
1.8. Programmable Counter Array........................................................................... 23
1.9. 10-Bit Analog to Digital Converter..................................................................... 24
1.10.Comparators..................................................................................................... 25
2. Absolute Maximum Ratings .................................................................................. 27
3. Global Electrical Characteristics .......................................................................... 28
4. Pinout and Package Definitions............................................................................ 30
5. 10-Bit ADC (ADC0).................................................................................................. 39
5.1. Analog Multiplexer ............................................................................................ 40
5.2. Temperature Sensor......................................................................................... 41
5.3. Modes of Operation .......................................................................................... 43
5.3.1. Starting a Conversion............................................................................... 43
5.3.2. Tracking Modes........................................................................................ 44
5.3.3. Settling Time Requirements..................................................................... 45
5.4. Programmable Window Detector...................................................................... 50
5.4.1. Window Detector In Single-Ended Mode ................................................. 52
5.4.2. Window Detector In Differential Mode...................................................... 53
6. Voltage Reference.................................................................................................. 55
7. Comparators ......................................................................................................... 57
8. Voltage Regulator (REG0)...................................................................................... 67
8.1. Regulator Mode Selection................................................................................. 67
8.2. VBUS Detection................................................................................................ 67
9. CIP-51 Microcontroller .......................................................................................... 71
9.1. Instruction Set................................................................................................... 72
9.1.1. Instruction and CPU Timing ..................................................................... 72
9.1.2. MOVX Instruction and Program Memory ................................................. 73
9.2. Memory Organization........................................................................................ 77
9.2.1. Program Memory...................................................................................... 77
9.2.2. Data Memory............................................................................................ 78
9.2.3. General Purpose Registers...................................................................... 78
9.2.4. Bit Addressable Locations........................................................................ 78
9.2.5. Stack ....................................................................................................... 78
9.2.6. Special Function Registers....................................................................... 79
