K22P80M50SF4 Datasheet, PDF (25/60 Pages) Freescale Semiconductor, Inc – K22 Sub-Family Data Sheet

6.3.1
Peripheral operating requirements and behaviors
MCG specifications
Table 14. MCG specifications
Symbol Description
Min.
Typ.
f_{ints_ft}
Internal reference frequency (slow clock) —
factory trimmed at nominal VDD and 25 °C
—
32.768
f_{ints_t} Internal reference frequency (slow clock) — user 31.25
—
trimmed
Δ_{fdco_res_t} Resolution of trimmed average DCO output
—
± 0.3
frequency at fixed voltage and temperature —
using SCTRIM and SCFTRIM
Δf_{dco_res_t} Resolution of trimmed average DCO output
—
± 0.2
frequency at fixed voltage and temperature —
using SCTRIM only
Δf_{dco_t} Total deviation of trimmed average DCO output
frequency over voltage and temperature
—
+0.5/-0.7
Δf_{dco_t} Total deviation of trimmed average DCO output
—
frequency over fixed voltage and temperature
range of 0–70°C
± 0.3
f_{intf_ft}
Internal reference frequency (fast clock) —
factory trimmed at nominal VDD and 25°C
—
4
f_{intf_t} Internal reference frequency (fast clock) — user
3
—
trimmed at nominal VDD and 25 °C
f_{loc_low} Loss of external clock minimum frequency —
(3/5) x
—
RANGE = 00
f_{ints_t}
f_{loc_high} Loss of external clock minimum frequency —
(16/5) x
—
RANGE = 01, 10, or 11
f_{ints_t}
FLL
f_{fll_ref}
f_dco
FLL reference frequency range
DCO output
frequency range
Low range (DRS=00)
640 × f_{fll_ref}
Mid range (DRS=01)
31.25
20
40
—
20.97
41.94
1280 × f_{fll_ref}
Mid-high range (DRS=10)
60
62.91
1920 × f_{fll_ref}
High range (DRS=11)
80
83.89
f_{dco_t_DMX32} DCO output
frequency
2560 × f_{fll_ref}
Low range (DRS=00)
732 × f_{fll_ref}
Mid range (DRS=01)
—
23.99
—
47.97
1464 × f_{fll_ref}
Mid-high range (DRS=10)
—
71.99
2197 × f_{fll_ref}
High range (DRS=11)
—
95.98
2929 × f_{fll_ref}
Table continues on the next page...
Max.
—
39.0625
± 0.6
± 0.5
±3
± 0.3
—
5
—
—
39.0625
25
50
75
100
—
—
—
—
Unit
kHz
kHz
%f_dco
%f_dco
%f_dco
%f_dco
MHz
MHz
kHz
kHz
kHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
Notes
1
1
1
1
2, 3
4, 5
K22 Sub-Family Data Sheet Data Sheet, Rev. 3, 08/2012.
Freescale Semiconductor, Inc.
25