Table 13. Oscillator DC electrical specifications, (VSSOSC= 0 VDC) (TA = TL to TH)
(continued)
Symbol
Description
Min.
Typ.
Max.
Unit
Notes
RF
Feedback resistor — low-frequency, low-power
mode
—
MΩ
Feedback resistor — low-frequency, high-gain
mode
—
10
—
MΩ
Feedback resistor — high-frequency, low-power
mode (1 – 8 MHz, 8 – 32 MHz)
—
MΩ
Feedback resistor — high-frequency, high-gain
mode (1 – 8 MHz, 8 – 32 MHz)
—
1
—
MΩ
RS
Series resistor — low-frequency, low-power
mode
—
kΩ
Series resistor — low-frequency, high-gain mode
—
200
—
kΩ
Series resistor — high-frequency, low-power
mode
—
kΩ
Series resistor — high-frequency, high-gain
mode
1 MHz resonator
2 MHz resonator
4 MHz resonator
8 MHz resonator
16 MHz resonator
20 MHz resonator
32 MHz resonator
—
6.6
3.3
0
—
kΩ
Vpp
Peak-to-peak amplitude of oscillation (oscillator
mode) — low-frequency, low-power mode
—
0.6
—
V
Peak-to-peak amplitude of oscillation (oscillator
mode) — low-frequency, high-gain mode
0.75 ×
VDD33OSC
—
V
Peak-to-peak amplitude of oscillation (oscillator
mode) — high-frequency, low-power mode
—
0.6
—
V
Peak-to-peak amplitude of oscillation (oscillator
mode) — high-frequency, high-gain mode
0.75 ×
VDD33OSC
—
V
1. VDD33OSC=3.3 V, Temperature =27 °C, Cx/Cy=20 pF
2. See crystal or resonator manufacturer's recommendation
3. RF and Cx,Cy are integrated in low-frequency, low-power mode and must not be attached externally
Peripheral operating requirements and behaviors
K40 Sub-Family Data Sheet Data Sheet, Rev. 1, 11/2010.
Freescale Semiconductor, Inc.
Preliminary
27
Preliminary