C8051F320 View Datasheet(PDF) - Unspecified
Part Name
Description
Manufacturer
C8051F320 Datasheet PDF : 256 Pages
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C8051F320/1
9.2.7. Register Descriptions .............................................................................................84
9.3. Interrupt Handler .............................................................................................................87
9.3.1. MCU Interrupt Sources and Vectors .....................................................................87
9.3.2. External Interrupts .................................................................................................88
9.3.3. Interrupt Priorities..................................................................................................88
9.3.4. Interrupt Latency....................................................................................................88
9.3.5. Interrupt Register Descriptions ..............................................................................90
9.4. Power Management Modes .............................................................................................96
9.4.1. Idle Mode ...............................................................................................................96
9.4.2. Stop Mode..............................................................................................................96
10. RESET SOURCES ..............................................................................................................99
10.1. Power-On Reset.............................................................................................................100
10.2. Power-Fail Reset / VDD Monitor..................................................................................101
10.3. External Reset................................................................................................................102
10.4. Missing Clock Detector Reset .......................................................................................102
10.5.Comparator0 Reset ........................................................................................................102
10.6. PCA Watchdog Timer Reset .........................................................................................102
10.7. FLASH Error Reset .......................................................................................................102
10.8. Software Reset...............................................................................................................103
10.9. USB Reset .....................................................................................................................103
11. FLASH MEMORY ............................................................................................................107
11.1. Programming The FLASH Memory .............................................................................107
11.1.1. FLASH Lock and Key Functions ........................................................................107
11.1.2. FLASH Erase Procedure......................................................................................107
11.1.3. FLASH Write Procedure .....................................................................................108
11.2. Non-volatile Data Storage .............................................................................................109
11.3. Security Options ............................................................................................................109
12. EXTERNAL RAM .............................................................................................................113
12.1. Accessing User XRAM .................................................................................................113
12.2. Accessing USB FIFO Space..........................................................................................114
13. OSCILLATORS...................................................................................................................117
13.1. Programmable Internal Oscillator .................................................................................117
13.1.1. Programming the Internal Oscillator on C8051F320/1 Devices .........................118
13.1.2. Internal Oscillator Suspend Mode .......................................................................118
13.2.External Oscillator Drive Circuit...................................................................................120
13.2.1. Clocking Timers Directly Through the External Oscillator ................................120
13.2.2. External Crystal Example ....................................................................................120
13.2.3. External RC Example ..........................................................................................121
13.2.4. External Capacitor Example ................................................................................121
13.3.4x Clock Multiplier .......................................................................................................123
13.4. System and USB Clock Selection .................................................................................124
13.4.1. System Clock Selection .......................................................................................124
13.4.2. USB Clock Selection ...........................................................................................124
14. PORT INPUT/OUTPUT ...................................................................................................127
14.1. Priority Crossbar Decoder .............................................................................................129
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Rev. 1.1
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