C8051F327 View Datasheet(PDF) - Silicon Laboratories

Part Name

Description

MFG CO.

C8051F327

Full Speed USB, 16 kB Flash MCU Family

Silicon Laboratories 

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C8051F326/7

Table 10.3. Internal Oscillator Electrical Characteristics

–40 to +85 °C unless otherwise specified.

Parameter

Conditions

Min

Internal High-Frequency Oscillator

Internal Oscillator Frequency Reset Frequency

11.82

Internal Oscillator Supply

Current (from VDD)

USB Clock Frequency1

OSCICN.7 = 1

Full Speed Mode

—

47.88

Typ Max

12 12.18

574

—

48 48.12

Low Speed Mode

5.91

6

6.09

Internal Low-Frequency Oscillator (Using Factory-Calibrated Settings)

Internal Oscillator Frequency

—

88

—

Internal Oscillator Supply

Current (from VDD)

Power Supply Sensitivity

25 ºC, VDD = 3.0 V,

OSCLCN.7 = 1

Constant Temperature

—

17

—

—

–3 ± 0.12 —

Temperature Sensitivity

Constant Supply

—

20 ± 8 —

Notes:

1. Applies only to external oscillator sources.

2. Represents Mean ± 1 Standard Deviation.

Units

MHz

µA

MHz

KHz

µA

%/V

ppm/ºC

78

Rev. 1.1

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