Datasheet

Table 18. Oscillator DC electrical specifications (continued)
Symbol Description Min. Typ. Max. Unit Notes
• 24 MHz
• 32 MHz
C
x
EXTAL load capacitance — — — 2, 3
C
y
XTAL load capacitance — — — 2, 3
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
2. See crystal or resonator manufacturer's recommendation
3. C
x
,C
y
can be provided by using the integrated capacitors when the low frequency oscillator (RANGE = 00) is used. For
all other cases external capacitors must be used.
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.
Peripheral operating requirements and behaviors
22 Kinetis KL05 32 KB Flash, Rev4 03/2014.
Freescale Semiconductor, Inc.