MK20DN512VMC10 FREESCALE [Freescale Semiconductor, Inc], MK20DN512VMC10 Datasheet - Page 26

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

Peripheral operating requirements and behaviors
6.3.1 MCG specifications
26
f
dco_t_DMX32
Δ
Δf
Symbol
f
fdco_res_t
Δf
Δf
f
loc_high
dco_res_t
f
loc_low
f
f
f
f
ints_ft
ints_t
intf_ft
fll_ref
f
intf_t
dco_t
dco_t
dco
Internal reference frequency (slow clock) —
factory trimmed at nominal VDD and 25 °C
Internal reference frequency (slow clock) — user
trimmed
Resolution of trimmed average DCO output
frequency at fixed voltage and temperature —
using SCTRIM and SCFTRIM
Resolution of trimmed average DCO output
frequency at fixed voltage and temperature —
using SCTRIM only
Total deviation of trimmed average DCO output
frequency over voltage and temperature
Total deviation of trimmed average DCO output
frequency over fixed voltage and temperature
range of 0–70°C
Internal reference frequency (fast clock) —
factory trimmed at nominal VDD and 25°C
Internal reference frequency (fast clock) — user
trimmed at nominal VDD and 25 °C
Loss of external clock minimum frequency —
RANGE = 00
Loss of external clock minimum frequency —
RANGE = 01, 10, or 11
FLL reference frequency range
DCO output
frequency range
DCO output
frequency
Description
Mid-high range (DRS=10)
Mid-high range (DRS=10)
High range (DRS=11)
High range (DRS=11)
Low range (DRS=00)
Low range (DRS=00)
Mid range (DRS=01)
Mid range (DRS=01)
K20 Sub-Family Data Sheet, Rev. 1, 6/2012.
1280 × f
1920 × f
2560 × f
1464 × f
2197 × f
2929 × f
640 × f
732 × f
Table 15. MCG specifications
Table continues on the next page...
General Business Information
fll_ref
fll_ref
fll_ref
fll_ref
fll_ref
fll_ref
fll_ref
fll_ref
Preliminary
FLL
(16/5) x
(3/5) x
31.25
31.25
f
f
Min.
ints_t
ints_t
20
40
60
80
—
—
—
—
—
—
—
—
—
—
3
+0.5/-0.7
32.768
20.97
41.94
62.91
83.89
23.99
47.97
71.99
95.98
± 0.3
± 0.2
± 0.3
Typ.
—
—
—
—
—
4
39.0625
39.0625
± 0.6
± 0.5
Max.
TBD
100
± 3
25
50
75
—
—
—
—
—
—
—
—
5
Freescale Semiconductor, Inc.
%f
%f
%f
%f
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
Unit
kHz
kHz
kHz
kHz
kHz
dco
dco
dco
dco
Notes
2,
4,
1
1
1
1
3
5