C8051F305-GM Silicon Laboratories Inc, C8051F305-GM Datasheet - Page 4

• Manufacturer Part Number: C8051F305-GM
• Description: IC 8051 MCU 2K FLASH 11QFN
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F30xr

Specifications of C8051F305-GM

• Program Memory Type: FLASH
• Program Memory Size: 2KB (2K x 8)
• Package / Case: 11-VQFN
• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SMBus (2-Wire/I²C), UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Processor Series: C8051F3x
• Core: 8051
• 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: 3
• Operating Supply Voltage: 2.7 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: C8051F300DK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 bit, 8 Channel
• No. Of I/o's: 8
• Ram Memory Size: 256Byte
• Cpu Speed: 25MHz
• No. Of Timers: 3
• Rohs Compliant: Yes
• Package: 11QFN EP
• Device Core: 8051
• Family Name: C8051F30x
• Maximum Speed: 25 MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 770-1006 - ISP 4PORT FOR SILABS C8051F MCU336-1444 - ADAPTER PROGRAM TOOLSTICK F300
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1251

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