MK20DN512VMC10 FREESCALE [Freescale Semiconductor, Inc], MK20DN512VMC10 Datasheet - Page 30

• Manufacturer Part Number: MK20DN512VMC10
• Description: K20 Sub-Family
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Peripheral operating requirements and behaviors
3. Proper PC board layout procedures must be followed to achieve specifications.
4. 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 32 kHz Oscillator Electrical Characteristics
This section describes the module electrical characteristics.
6.3.3.1 32 kHz oscillator DC electrical specifications
1. When a crystal is being used with the 32 kHz oscillator, the EXTAL32 and XTAL32 pins should only be connected to
6.3.3.2 32kHz oscillator frequency specifications
1. Proper PC board layout procedures must be followed to achieve specifications.
2. This specification is for an externally supplied clock driven to EXTAL32 and does not apply to any other clock input. The
3. The parameter specified is a peak-to-peak value and V
6.4 Memories and memory interfaces
6.4.1 Flash electrical specifications
This section describes the electrical characteristics of the flash memory module.
30
v
f
Symbol
ec_extal32
ec_extal32
f
being set.
required oscillator components and must not be connected to any other devices.
oscillator remains enabled and XTAL32 must be left unconnected.
clock must be within the range of V
osc_lo
t
start
Symbol
C
V
V
R
BAT
para
pp
F
Oscillator crystal
Crystal start-up time
Externally provided input clock frequency
Externally provided input clock amplitude
1
Description
Table 18. 32kHz oscillator DC electrical specifications
Supply voltage
Internal feedback resistor
Parasitical capacitance of EXTAL32 and XTAL32
Peak-to-peak amplitude of oscillation
Table 19. 32kHz oscillator frequency specifications
Description
K20 Sub-Family Data Sheet, Rev. 1, 6/2012.
SS
to V
General Business Information
BAT
.
Preliminary
IH
and V
IL
Min.
700
—
—
—
specifications do not apply. The voltage of the applied
32.768
32.768
1000
1.71
Min.
Typ.
—
—
—
—
V
Max.
Typ.
100
0.6
—
—
—
—
BAT
5
Freescale Semiconductor, Inc.
Max.
Unit
kHz
kHz
mV
3.6
ms
—
—
7
Notes
Unit
2,
MΩ
pF
V
V
1
2
3