C8051F326/7 - Silicon Labs
C8051F326/7 - Silicon Labs
C8051F326/7 - Silicon Labs
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<strong>C8051F326</strong>/7<br />
Table 10.3. Internal Oscillator Electrical Characteristics<br />
–40 to +85 °C unless otherwise specified.<br />
Parameter Conditions Min Typ Max Units<br />
Internal High-Frequency Oscillator<br />
Internal Oscillator Frequency Reset Frequency 11.82 12 12.18 MHz<br />
Internal Oscillator Supply<br />
Current (from VDD)<br />
OSCICN.7 = 1 — 574 — µA<br />
USB Clock Frequency 1<br />
Full Speed Mode<br />
47.88 48 48.12<br />
MHz<br />
Low Speed Mode<br />
5.91 6 6.09<br />
Internal Low-Frequency Oscillator (Using Factory-Calibrated Settings)<br />
Internal Oscillator Frequency — 88 — KHz<br />
Internal Oscillator Supply 25 ºC, VDD = 3.0 V,<br />
— 17 — µA<br />
Current (from VDD) OSCLCN.7 = 1<br />
Power Supply Sensitivity Constant Temperature — –3 ± 0.1 2 — %/V<br />
Temperature Sensitivity Constant Supply — 20 ± 8 — ppm/ºC<br />
Notes:<br />
1. Applies only to external oscillator sources.<br />
2. Represents Mean ± 1 Standard Deviation.<br />
78 Rev. 1.1
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