C8051F340-GQR Datasheet, PDF (141/276 Pages) Silicon Laboratories – Full Speed USB Flash MCU Family

C8051F340/1/2/3/4/5/6/7/8/9/A/B/C/D
Table 14.1. Oscillator Electrical Characteristics
V_DD = 2.7 to 3.6 V; –40 to +85 °C unless otherwise specified
Parameter
Conditions
Min Typ
Internal High-Frequency Oscillator (Using Factory-Calibrated Settings)
Oscillator Frequency
Oscillator Supply Current 
(from V_DD)
IFCN = 11b
24 ºC, V_DD = 3.0 V,
OSCICN.7 = 1
11.82 12.00
— 685
Internal Low-Frequency Oscillator (Using Factory-Calibrated Settings)
Oscillator Frequency
Oscillator Supply Current 
(from V_DD)
OSCLD = 11b
24 ºC, V_DD = 3.0 V,
OSCLCN.7 = 1
72 80
— 7.0
External USB Clock Requirements
USB Clock Frequency*
Full Speed Mode
Low Speed Mode
47.88 48
5.91 6
*Note: Applies only to external oscillator sources.
Max
12.18
—
99
—
48.12
6.09
Units
MHz
µA
kHz
µA
MHz
Rev. 1.3
141