C8051F313R Silicon Labs, C8051F313R Datasheet - Page 123

• Manufacturer Part Number: C8051F313R
• Description: 8-bit Microcontrollers - MCU 8KB 10ADC
• Manufacturer: Silicon Labs

Specifications of C8051F313R

• Product Category: 8-bit Microcontrollers - MCU
• Core: 8051
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 25 MHz
• Program Memory Size: 8 KB
• Data Ram Size: 1.25 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 2.7 V to 3.6 V
• Package / Case: QFN-28
• Mounting Style: SMD/SMT
• A/d Bit Size: 10 bit
• A/d Channels Available: 17
• Data Rom Size: 128 B
• Interface Type: I2C, SMBus, SPI, UART
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Number Of Programmable I/os: 25
• Number Of Timers: 5
• On-chip Dac: No
• Processor Series: C8051
• Program Memory Type: Flash
• Factory Pack Quantity: 1500
• Supply Voltage - Max: 3.6 V
• Supply Voltage - Min: 2.7 V

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