mk50dn512zcll10 Freescale Semiconductor, Inc, mk50dn512zcll10 Datasheet - Page 32

• Manufacturer Part Number: mk50dn512zcll10
• Description: K50 Sub-family Data Sheet Supports The Following
• Manufacturer: Freescale Semiconductor, Inc

Peripheral operating requirements and behaviors
3. 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
1. The EXTAL32 and XTAL32 pins should only be connected to required oscillator components and must not be connected to
6.3.3.2 32kHz oscillator frequency specifications
1. Proper PC board layout procedures must be followed to achieve specifications.
6.4 Memories and memory interfaces
6.4.1 Flash (FTFL) electrical specifications
This section describes the electrical characteristics of the FTFL module.
6.4.1.1 Flash timing specifications — program and erase
The following specifications represent the amount of time the internal charge pumps are
active and do not include command overhead.
32
Symbol
Symbol
f
being set.
any other devices.
osc_lo
C
t
V
C
V
start
R
BAT
para
load
pp
F
1
Oscillator crystal
Crystal start-up time
Description
Supply voltage
Internal feedback resistor
Parasitical capacitance of EXTAL32 and XTAL32
Internal load capacitance (programmable)
Peak-to-peak amplitude of oscillation
Description
Table 18. 32kHz oscillator DC electrical specifications
Table 19. 32kHz oscillator frequency specifications
K50 Sub-Family Data Sheet Data Sheet, Rev. 5, 5/2011.
Preliminary
Min.
—
—
1.71
Min.
—
—
—
—
32.768
1000
Typ.
Typ.
100
2.5
0.6
15
—
Max.
—
—
Freescale Semiconductor, Inc.
Max.
Unit
kHz
3.6
—
—
—
—
ms
Notes
Unit
MΩ
1
pF
pF
V
V