Peripheral operating requirements and behaviors
TCLK
J14
J13
TRST
Figure 7. 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 13. MCG specifications
Symbol
f
ints_ft
f
ints_t
Δ
fdco_res_t
Description
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
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
Table continues on the next page...
Min.
—
31.25
—
Typ.
32.768
—
± 0.3
Max.
—
39.0625
± 0.6
Unit
kHz
kHz
%f
dco
Notes
Δf
dco_t
Δf
dco_t
—
—
+0.5/-0.7
± 0.3
±3
—
%f
dco
%f
dco
f
intf_ft
f
intf_t
f
loc_low
f
loc_high
—
3
(3/5) x
f
ints_t
(16/5) x
f
ints_t
4
—
—
—
—
5
—
—
MHz
MHz
kHz
kHz
K10 Sub-Family Data Sheet, Rev. 4 5/2012.
Freescale Semiconductor, Inc.
25
FREESCALE [ FREESCALE SEMICONDUCTOR, INC ]
