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K20P144M120SF3 Datasheet, PDF (28/80 Pages) Freescale Semiconductor, Inc – K20 Sub-Family Data Sheet | |||
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Peripheral operating requirements and behaviors
TCLK
TRST
J14
J13
Figure 9. 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 14. MCG specifications
Symbol Description
fints_ft
Internal reference frequency (slow clock) â
factory trimmed at nominal VDD and 25 °C
fints_t
Internal reference frequency (slow clock) â user
trimmed
Iints
Internal reference (slow clock) current
Îfdco_res_t Resolution of trimmed average DCO output
frequency at fixed voltage and temperature â
using SCTRIM and SCFTRIM
Îfdco_res_t Resolution of trimmed average DCO output
frequency at fixed voltage and temperature â
using SCTRIM only
Îfdco_t Total deviation of trimmed average DCO output
frequency over voltage and temperature
Îfdco_t
Total deviation of trimmed average DCO output
frequency over fixed voltage and temperature
range of 0â70°C
fintf_ft
Internal reference frequency (fast clock) â
factory trimmed at nominal VDD and 25°C
fintf_t Internal reference frequency (fast clock) â user
trimmed at nominal VDD and 25 °C
Iintf
Internal reference (fast clock) current
Min.
â
31.25
â
â
â
â
â
3
â
Typ.
32.768
â
TBD
± 0.3
± 0.2
± 10
± 4.5
â
TBD
Table continues on the next page...
Max.
â
39.0625
â
± 0.6
± 0.5
â
â
4
5
â
Unit
kHz
kHz
µA
%fdco
%fdco
%fdco
%fdco
MHz
MHz
µA
Notes
1
1
1
1
K20 Sub-Family Data Sheet Data Sheet, Rev. 3, 2/2012.
28
Preliminary
Freescale Semiconductor, Inc.
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