C8051F300 Silicon Laboratories Inc, C8051F300 Datasheet - Page 4

• Manufacturer Part Number: C8051F300
• Description: IC 8051 MCU 8K FLASH 11MLP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F30xr

Specifications of C8051F300

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SMBus (2-Wire/I²C), UART/USART
• Peripherals: POR, PWM, Temp Sensor, WDT
• Number Of I /o: 8
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 8x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 11-VQFN
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

C8051F300/1/2/3/4/5
9. RESET SOURCES ................................................................................................................77
10. FLASH MEMORY ................................................................................................................83
11. OSCILLATORS.....................................................................................................................89
12. PORT INPUT/OUTPUT .......................................................................................................95
13. SMBUS..................................................................................................................................103
4
8.4. Power Management Modes .............................................................................................75
9.1. Power-On Reset...............................................................................................................78
9.2. Power-Fail Reset / VDD Monitor....................................................................................78
9.3. External Reset..................................................................................................................79
9.4. Missing Clock Detector Reset .........................................................................................79
9.5. Comparator0 Reset ..........................................................................................................79
9.6. PCA Watchdog Timer Reset ...........................................................................................79
9.7. FLASH Error Reset .........................................................................................................79
9.8. Software Reset.................................................................................................................80
10.1.Programming The FLASH Memory ...............................................................................83
10.2.Non-volatile Data Storage ...............................................................................................85
10.3. Security Options ..............................................................................................................85
11.1.Programmable Internal Oscillator ...................................................................................89
11.2.External Oscillator Drive Circuit.....................................................................................91
11.3.System Clock Selection...................................................................................................91
11.4. External Crystal Example................................................................................................93
11.5.External RC Example ......................................................................................................93
11.6. External Capacitor Example............................................................................................93
12.1.Priority Crossbar Decoder ...............................................................................................96
12.2.Port I/O Initialization.......................................................................................................98
12.3.General Purpose Port I/O...............................................................................................101
13.1.Supporting Documents ..................................................................................................104
13.2. SMBus Configuration....................................................................................................104
13.3. SMBus Operation ..........................................................................................................105
13.4.Using the SMBus...........................................................................................................107
13.5.SMBus Transfer Modes.................................................................................................115
8.3.4. Interrupt Latency....................................................................................................68
8.3.5. Interrupt Register Descriptions ..............................................................................70
8.4.1. Idle Mode ...............................................................................................................75
8.4.2. Stop Mode..............................................................................................................75
10.1.1. FLASH Lock and Key Functions ..........................................................................83
10.1.2. FLASH Erase Procedure........................................................................................83
10.1.3. FLASH Write Procedure .......................................................................................84
13.3.1. Arbitration............................................................................................................105
13.3.2. Clock Low Extension...........................................................................................106
13.3.3. SCL Low Timeout ...............................................................................................106
13.3.4. SCL High (SMBus Free) Timeout.......................................................................106
13.4.1. SMBus Configuration Register............................................................................108
13.4.2. SMB0CN Control Register ..................................................................................111
13.4.3. Data Register........................................................................................................114
Rev. 2.3