C8051F305-GM Silicon Laboratories Inc, C8051F305-GM Datasheet - Page 9

• 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

List of Tables
1. System Overview
2. Absolute Maximum Ratings
3. Global Electrical Characteristics
4. Pinout and Package Definitions
5. ADC0 (8-Bit ADC, C8051F300/2)
6. Voltage Reference (C8051F300/2)
7. Comparator0
8. CIP-51 Microcontroller
9. Reset Sources
10. Flash Memory
11. Oscillators
12. Port Input/Output
13. SMBus
14. UART0
Table 1.1. Product Selection Guide ......................................................................... 14
Table 2.1. Absolute Maximum Ratings .................................................................... 24
Table 3.1. Global Electrical Characteristics ............................................................. 25
Table 4.1. Pin Definitions for the C8051F300/1/2/3/4/5 ........................................... 27
Table 4.2. QFN-11 Package Dimensions ................................................................ 29
Table 4.3. QFN-11 Landing Diagram Dimensions ................................................... 31
Table 4.4. SOIC-14 Package Dimensions ............................................................... 33
Table 4.5. SOIC-14 PCB Land Pattern Dimensions ................................................ 34
Table 5.1. ADC0 Electrical Characteristics .............................................................. 47
Table 6.1. External Voltage Reference Circuit Electrical Characteristics ................ 50
Table 7.1. Comparator0 Electrical Characteristics .................................................. 55
Table 8.1. CIP-51 Instruction Set Summary ............................................................ 59
Table 8.2. Special Function Register (SFR) Memory Map ...................................... 66
Table 8.3. Special Function Registers ..................................................................... 66
Table 8.4. Interrupt Summary .................................................................................. 74
Table 9.1. User Code Space Address Limits ........................................................... 86
Table 9.2. Reset Electrical Characteristics .............................................................. 86
Table 10.1. Flash Electrical Characteristics ............................................................ 90
Table 10.2. Security Byte Decoding ........................................................................ 91
Table 11.1. Internal Oscillator Electrical Characteristics ......................................... 99
Table 12.1. Port I/O DC Electrical Characteristics ................................................. 110
Table 13.1. SMBus Clock Source Selection .......................................................... 116
Table 13.2. Minimum SDA Setup and Hold Times ................................................ 117
Table 13.3. Sources for Hardware Changes to SMB0CN ..................................... 121
Table 13.4. SMBus Status Decoding ..................................................................... 127
Table 14.1. Timer Settings for Standard Baud Rates 
Table 14.2. Timer Settings for Standard Baud Rates 
Using The Internal 24.5 MHz Oscillator .............................................. 138
Using an External 25 MHz Oscillator .................................................. 138
Rev. 2.9
C8051F300/1/2/3/4/5
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