MK60FX512VLQ15 FREESCALE [Freescale Semiconductor, Inc], MK60FX512VLQ15 Datasheet - Page 32
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MK60FX512VLQ15
Manufacturer Part Number
MK60FX512VLQ15
Description
K60 Sub-Family Data Sheet
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MK60FX512VLQ15.pdf
(82 pages)
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Peripheral operating requirements and behaviors
5. The EXTAL and XTAL pins should only be connected to required oscillator components and must not be connected to any
6.3.2.2 Oscillator frequency specifications
1. Frequencies less than 8 MHz are not in the PLL range.
2. Other frequency limits may apply when external clock is being used as a reference for the FLL or PLL.
3. When transitioning from FBE to FEI mode, restrict the frequency of the input clock so that, when it is divided by FRDIV, it
4. Proper PC board layout procedures must be followed to achieve specifications.
5. Crystal startup time is defined as the time between the oscillator being enabled and the OSCINIT bit in the MCG_S register
6.3.3 32kHz Oscillator Electrical Characteristics
This section describes the module electrical characteristics.
6.3.3.1 32kHz oscillator DC electrical specifications
32
Symbol
f
f
f
t
Symbol
osc_hi_1
osc_hi_2
ec_extal
dc_extal
f
other devices.
remains within the limits of the DCO input clock frequency.
being set.
osc_lo
V
t
cst
R
BAT
F
Oscillator crystal or resonator frequency — low
frequency mode (MCG_C2[RANGE]=00)
Oscillator crystal or resonator frequency — high
frequency mode (low range)
(MCG_C2[RANGE]=01)
Oscillator crystal or resonator frequency — high
frequency mode (high range)
(MCG_C2[RANGE]=1x)
Input clock frequency (external clock mode)
Input clock duty cycle (external clock mode)
Crystal startup time — 32 kHz low-frequency,
low-power mode (HGO=0)
Crystal startup time — 32 kHz low-frequency,
high-gain mode (HGO=1)
Crystal startup time — 8 MHz high-frequency
(MCG_C2[RANGE]=01), low-power mode
(HGO=0)
Crystal startup time — 8 MHz high-frequency
(MCG_C2[RANGE]=01), high-gain mode
(HGO=1)
Description
Supply voltage
Internal feedback resistor
Description
Table 17. 32kHz oscillator DC electrical specifications
K60 Sub-Family Data Sheet Data Sheet, Rev. 3, 2/2012.
Table 16. Oscillator frequency specifications
Table continues on the next page...
Preliminary
Min.
32
40
—
—
—
—
—
3
8
1.71
Min.
—
1000
Typ.
500
0.6
50
—
—
—
—
1
Typ.
100
—
Max.
40
32
60
60
—
—
—
—
8
Freescale Semiconductor, Inc.
Max.
MHz
MHz
MHz
Unit
kHz
3.6
ms
ms
ms
ms
—
%
Notes
2,
4,
Unit
MΩ
1
V
3
5