MCF51QM128VHS FREESCALE [Freescale Semiconductor, Inc], MCF51QM128VHS Datasheet - Page 26

• Manufacturer Part Number: MCF51QM128VHS
• Description: MCF51QM128
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Clock modules
1. V
2. See crystal or resonator manufacturer's recommendation
3. C
4. When low power mode is selected, R
5. The EXTAL and XTAL pins should only be connected to required oscillator components and must not be connected to any
26
Symbol
other devices.
V
R
R
DD
x
pp
,C
F
S
5
=3.3 V, Temperature =25 °C
y
can be provided by using either the integrated capacitors or by using external components.
Feedback resistor — low-frequency, low-power
mode (HGO=0)
Feedback resistor — low-frequency, high-gain
mode (HGO=1)
Feedback resistor — high-frequency, low-power
mode (HGO=0)
Feedback resistor — high-frequency, high-gain
mode (HGO=1)
Series resistor — low-frequency, low-power
mode (HGO=0)
Series resistor — low-frequency, high-gain mode
(HGO=1)
Series resistor — high-frequency, low-power
mode (HGO=0)
Series resistor — high-frequency, high-gain
mode (HGO=1)
Peak-to-peak amplitude of oscillation (oscillator
mode) — low-frequency, low-power mode
(HGO=0)
Peak-to-peak amplitude of oscillation (oscillator
mode) — low-frequency, high-gain mode
(HGO=1)
Peak-to-peak amplitude of oscillation (oscillator
mode) — high-frequency, low-power mode
(HGO=0)
Peak-to-peak amplitude of oscillation (oscillator
mode) — high-frequency, high-gain mode
(HGO=1)
Description
• 1 MHz resonator
• 2 MHz resonator
• 4 MHz resonator
• 8 MHz resonator
• 16 MHz resonator
• 20 MHz resonator
• 32 MHz resonator
Table 15. Oscillator DC electrical specifications (continued)
MCF51QM128 Data Sheet, Rev. 6, 01/2012.
F
is integrated and must not be attached externally.
Min.
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Typ.
200
V
V
6.6
3.3
0.6
0.6
10
—
—
—
—
1
0
0
0
0
0
DD
DD
Max.
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Freescale Semiconductor, Inc.
Unit
MΩ
MΩ
MΩ
MΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
V
V
V
V
Notes
2,
4