C8051F302 Silicon Laboratories Inc, C8051F302 Datasheet - Page 4
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C8051F302
Manufacturer Part Number
C8051F302
Description
IC 8051 MCU 8K FLASH 11MLP
Manufacturer
Silicon Laboratories Inc
Series
C8051F30xr
Specifications of C8051F302
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
External
Operating Temperature
-40°C ~ 85°C
Package / Case
11-VQFN
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
I2C, SMBus, UART
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
8
Number Of Timers
16 bit
Operating Supply Voltage
2.7 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
On-chip Adc
8 bit
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Lead Free Status / Rohs Status
No
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F302-GMR
Manufacturer:
SiliconL
Quantity:
3 000
Company:
Part Number:
C8051F302-GMR
Manufacturer:
SILICON
Quantity:
5 000
Part Number:
C8051F302-GMR
Manufacturer:
SILICONLABS/芯科
Quantity:
20 000
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