C8051F912 View Datasheet(PDF) - Silicon Laboratories
Part Name
Description
Manufacturer
C8051F912 Datasheet PDF : 318 Pages
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C8051F91x-C8051F90x
6.2. IREF0 Specifications......................................................................................... 87
7. Comparators ........................................................................................................... 88
7.1. Comparator Inputs ............................................................................................ 88
7.2. Comparator Outputs ......................................................................................... 89
7.3. Comparator Response Time............................................................................. 90
7.4. Comparator Hysteresis ..................................................................................... 90
7.5. Comparator Register Descriptions.................................................................... 91
7.6. Comparator0 and Comparator1 Analog Multiplexers........................................ 95
8. CIP-51 Microcontroller ........................................................................................... 98
8.1. Performance ..................................................................................................... 98
8.2. Programming and Debugging Support ............................................................. 99
8.3. Instruction Set ................................................................................................... 99
8.3.1. Instruction and CPU Timing ..................................................................... 99
8.4. CIP-51 Register Descriptions.......................................................................... 104
9. Memory Organization........................................................................................... 107
9.1. Program Memory ............................................................................................ 108
9.1.1. MOVX Instruction and Program Memory ............................................... 108
9.2. Data Memory .................................................................................................. 108
9.2.1. Internal RAM .......................................................................................... 108
9.2.2. External RAM ......................................................................................... 110
10. On-Chip XRAM...................................................................................................... 111
10.1.Accessing XRAM............................................................................................ 111
10.1.1.16-Bit MOVX Example ........................................................................... 111
10.1.2.8-Bit MOVX Example ............................................................................. 111
10.2.Special Function Registers............................................................................. 112
11. Special Function Registers ................................................................................. 113
11.1.SFR Paging .................................................................................................... 114
12. Interrupt Handler .................................................................................................. 120
12.1.Enabling Interrupt Sources ............................................................................. 120
12.2.MCU Interrupt Sources and Vectors............................................................... 120
12.3.Interrupt Priorities ........................................................................................... 121
12.4.Interrupt Latency............................................................................................. 121
12.5.Interrupt Register Descriptions ....................................................................... 123
12.6.External Interrupts INT0 and INT1.................................................................. 130
13. Flash Memory ....................................................................................................... 132
13.1.Programming The Flash Memory ................................................................... 132
13.1.1.Flash Lock and Key Functions ............................................................... 132
13.1.2.Flash Erase Procedure .......................................................................... 133
13.1.3.Flash Write Procedure ........................................................................... 133
13.2.Non-volatile Data Storage .............................................................................. 133
13.3.Security Options ............................................................................................. 134
13.4.Determining the Device Part Number at Run Time ........................................ 136
13.5.Flash Write and Erase Guidelines .................................................................. 137
13.5.1.VDD Maintenance and the VDD Monitor ............................................... 137
13.5.2.PSWE Maintenance ............................................................................... 138
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Rev. 1.0
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