
J14
J13
TCLK
TRST
Figure 8. TRST timing
6.2 System modules
There are no specifications necessary for the device's system modules.
6.3 Clock modules
6.3.1 MCG specifications
Table 15. MCG specifications
Symbol
Description
Min.
Typ.
Max.
Unit
Notes
fints_ft
Internal reference frequency (slow clock) —
factory trimmed at nominal VDD and 25 °C
—
32.768
—
kHz
fints_t
Internal reference frequency (slow clock) — user
trimmed — over fixed voltage and temperature
range of 0–70°C
31.25
—
38.2
kHz
Δfdco_res_t Resolution of trimmed average DCO output
frequency at fixed voltage and temperature —
using SCTRIM and SCFTRIM
—
± 0.3
± 0.6
%fdco
Δfdco_t
Total deviation of trimmed average DCO output
frequency over fixed voltage and temperature
range of 0–70°C
—
± 4.5
—
%fdco
fintf_ft
Internal reference frequency (fast clock) —
factory trimmed at nominal VDD and 25°C
—
4
—
MHz
fintf_t
Internal reference frequency (fast clock) — user
trimmed at nominal VDD and 25 °C
3
—
5
MHz
floc_low
Loss of external clock minimum frequency —
RANGE = 00
(3/5) x
fints_t
—
kHz
floc_high
Loss of external clock minimum frequency —
RANGE = 01, 10, or 11
(16/5) x
fints_t
—
kHz
FLL
ffll_ref
FLL reference frequency range
31.25
—
39.0625
kHz
Table continues on the next page...
Peripheral operating requirements and behaviors
K60 Sub-Family Data Sheet Data Sheet, Rev. 7, 02/2013.
28
Freescale Semiconductor, Inc.