Datasheet
Table 56. Oscillator DC electrical specifications (continued)
Symbol Description Min. Typ. Max. Unit Notes
R
F
Feedback resistor — low-frequency, low-power
mode (HGO=0)
— — — MΩ 2, 4
Feedback resistor — low-frequency, high-gain
mode (HGO=1)
— 10 — MΩ
Feedback resistor — high-frequency, low-power
mode (HGO=0)
— — — MΩ
Feedback resistor — high-frequency, high-gain
mode (HGO=1)
— 1 — MΩ
R
S
Series resistor — low-frequency, low-power
mode (HGO=0)
— — — kΩ
Series resistor — low-frequency, high-gain
mode (HGO=1)
— 200 — kΩ
Series resistor — high-frequency, low-power
mode (HGO=0)
— — — kΩ
Series resistor — high-frequency, high-gain
mode (HGO=1)
—
0
—
kΩ
V
pp
5
Peak-to-peak amplitude of oscillation (oscillator
mode) — low-frequency, low-power mode
(HGO=0)
— 0.6 — V
Peak-to-peak amplitude of oscillation (oscillator
mode) — low-frequency, high-gain mode
(HGO=1)
— V
DD
— V
Peak-to-peak amplitude of oscillation (oscillator
mode) — high-frequency, low-power mode
(HGO=0)
— 0.6 — V
Peak-to-peak amplitude of oscillation (oscillator
mode) — high-frequency, high-gain mode
(HGO=1)
— V
DD
— V
1. V
DD
=3.3 V, Temperature =25 °C, Internal capacitance = 20 pf
2. See crystal or resonator manufacturer's recommendation
3. C
x
,C
y
can be provided by using either the integrated capacitors or by using external components.
4. When low power mode is selected, R
F
is integrated and must not be attached externally.
5. The EXTAL and XTAL pins should only be connected to required oscillator components and must not be connected to
any other devices.
5.4.2.3.2 Oscillator frequency specifications
Table 57. Oscillator frequency specifications
Symbol Description Min. Typ. Max. Unit Notes
f
osc_lo
Oscillator crystal or resonator frequency — low-
frequency mode (MCG_C2[RANGE]=00)
32 — 40 kHz
Table continues on the next page...
Electrical characteristics
Kinetis KL82 Microcontroller, Rev. 3, 08/2016
93
NXP Semiconductors