C8051F305-GSR Silicon Labs, C8051F305-GSR Datasheet - Page 4

• Manufacturer Part Number: C8051F305-GSR
• Description: 8-bit Microcontrollers - MCU 2KB 14Pin MCU
• Manufacturer: Silicon Labs

Specifications of C8051F305-GSR

• Rohs: yes
• Core: 8051
• Processor Series: C8051
• Data Bus Width: 8 bit

C8051F300/1/2/3/4/5
9. Reset Sources......................................................................................................... 83
10. Flash Memory ......................................................................................................... 89
11. Oscillators ............................................................................................................... 97
12. Port Input/Output.................................................................................................. 103
13. SMBus ................................................................................................................... 111
4
8.4. Power Management Modes .............................................................................. 80
9.1. Power-On Reset ............................................................................................... 84
9.2. Power-Fail Reset/VDD Monitor......................................................................... 84
9.3. External Reset .................................................................................................. 85
9.4. Missing Clock Detector Reset........................................................................... 85
9.5. Comparator0 Reset........................................................................................... 85
9.6. PCA Watchdog Timer Reset............................................................................. 85
9.7. Flash Error Reset.............................................................................................. 86
9.8. Software Reset ................................................................................................. 86
10.1.Programming The Flash Memory ..................................................................... 89
10.2.Non-Volatile Data Storage................................................................................ 90
10.3.Security Options ............................................................................................... 90
10.4.Flash Write and Erase Guidelines .................................................................... 94
11.1.Programmable Internal Oscillator ..................................................................... 97
11.2.External Oscillator Drive Circuit........................................................................ 99
11.3.System Clock Selection.................................................................................... 99
11.4.External Crystal Example ............................................................................... 101
11.5.External RC Example ..................................................................................... 102
11.6.External Capacitor Example ........................................................................... 102
12.1.Priority Crossbar Decoder .............................................................................. 104
12.2.Port I/O Initialization ....................................................................................... 106
12.3.General Purpose Port I/O ............................................................................... 108
13.1.Supporting Documents ................................................................................... 112
13.2.SMBus Configuration...................................................................................... 112
13.3.SMBus Operation ........................................................................................... 112
8.3.4. Interrupt Latency ...................................................................................... 73
8.3.5. Interrupt Register Descriptions................................................................. 75
8.4.1. Idle Mode.................................................................................................. 80
8.4.2. Stop Mode ................................................................................................ 81
10.1.1.Flash Lock and Key Functions ................................................................. 89
10.1.2.Flash Erase Procedure ............................................................................ 89
10.1.3.Flash Write Procedure ............................................................................. 90
10.4.1.V
10.4.2.PSWE Maintenance ................................................................................. 94
10.4.3.System Clock ........................................................................................... 95
13.3.1.Arbitration............................................................................................... 113
13.3.2.Clock Low Extension.............................................................................. 114
13.3.3.SCL Low Timeout................................................................................... 114
13.3.4.SCL High (SMBus Free) Timeout .......................................................... 114
DD
Maintenance and the V
Rev. 2.9
DD
monitor ................................................... 94