C8051F311 Silicon Laboratories Inc, C8051F311 Datasheet - Page 123

• Manufacturer Part Number: C8051F311
• Description: IC 8051 MCU 16K FLASH 28MLP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F31xr

Specifications of C8051F311

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: POR, PWM, Temp Sensor, WDT
• Number Of I /o: 25
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 1.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 17x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

V
Internal Oscillator Frequency
Internal Oscillator Supply
Current (from V
Bits7–1: Reserved. Read = 0000000b, Must Write = 0000000.
Bit0:
DD
Reserved Reserved Reserved Reserved Reserved Reserved Reserved CLKSL0 00000000
= 2.7 to 3.6 V; –40 to +85 °C unless otherwise specified.
R/W
Bit7
Parameter
CLKSL0: System Clock Source Select Bit.
0: SYSCLK derived from the Internal Oscillator, and scales per the IFCN bits in register
OSCICN.
1: SYSCLK derived from the External Oscillator circuit.
DD
R/W
Bit6
Table 12.1. Internal Oscillator Electrical Characteristics
)
SFR Definition 12.3. CLKSEL: Clock Select
R/W
Bit5
R/W
Bit4
OSCICN.7 = 1
Conditions
Rev. 1.7
R/W
Bit3
C8051F310/1/2/3/4/5/6/7
R/W
Bit2
Min
24
—
R/W
Bit1
24.5
Typ
450
R/W
Bit0
1000
Max
25
SFR Address:
Reset Value
0xA9
Units
MHz
µA
123