C8051F38C-GMR View Datasheet(PDF) - Silicon Laboratories

Part Name

Description

MFG CO.

C8051F38C-GMR

Full Speed USB Flash MCU Family

Silicon Laboratories 

C8051F380/1/2/3/4/5/6/7/C

Table 5.7. Internal High-Frequency Oscillator Electrical Characteristics

VDD = 2.7 to 3.6 V; TA = –40 to +85 °C unless otherwise specified; Using factory-calibrated settings.

Parameter

Test Condition

Min

Typ

Max

Oscillator Frequency

IFCN = 11b

47.3

48

48.7

Oscillator Supply Current

(from VDD)

25 °C, VDD = 3.0 V,

OSCICN.7 = 1,

OCSICN.5 = 0

—

900

—

Power Supply Sensitivity

Constant Temperature

—

110

—

Temperature Sensitivity

Constant Supply

—

25

—

Table 5.8. Internal Low-Frequency Oscillator Electrical Characteristics

VDD = 2.7 to 3.6 V; TA = –40 to +85 °C unless otherwise specified; Using factory-calibrated settings.

Parameter

Test Condition

Min

Typ

Max

Oscillator Frequency

OSCLD = 11b

75

80

85

Oscillator Supply Current

(from VDD)

Power Supply Sensitivity

25 °C, VDD = 3.0 V,

—

4

—

OSCLCN.7 = 1

Constant Temperature

—

0.05

—

Temperature Sensitivity

Constant Supply

—

65

—

Table 5.9. External Oscillator Electrical Characteristics

VDD = 2.7 to 3.6 V; TA = –40 to +85 °C unless otherwise specified.

Parameter

Test Condition

Min

Typ

Max

External Crystal Frequency

0.02

—

30

External CMOS Oscillator

Frequency

0

—

48

Unit

MHz

µA

ppm/V

ppm/°C

Unit

kHz

µA

%/V

ppm/°C

Unit

MHz

MHz

Rev. 1.4

41

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