Техническая Спецификация для Freescale Semiconductor DEMO9S08DZ60 Demo Board DEMO9S08DZ60 DEMO9S08DZ60
Модели
DEMO9S08DZ60
Appendix A Electrical Characteristics
MC9S08DZ60 Series Data Sheet, Rev. 4
Freescale Semiconductor
381
A.11
MCG Specifications
Table A-12. MCG Frequency Specifications (Temperature Range = –40 to 125
°
C Ambient)
Num C
Rating
Symbol
Min
Typical
Max
Unit
1
P
Internal reference frequency - factory trimmed at
V
V
DD
= 5 V and temperature = 25
°
C
f
int_ft
—
31.25
—
kHz
2
P
Average internal reference frequency -
untrimmed
1
f
int_ut
25
32.7
41.66
kHz
3
P
Average internal reference frequency - user
trimmed
trimmed
f
int_t
31.25
—
39.0625
kHz
4
D Internal reference startup time
t
irefst
—
60
100
us
5
—
DCO output frequency range - untrimmed
value provided for reference: f
dco_ut
= 1024 X
f
int_ut
f
dco_ut
25.6
33.48
42.66
MHz
6
P DCO output frequency range - trimmed
f
dco_t
32
—
40
MHz
7
C
Resolution of trimmed DCO output frequency at
fixed voltage and temperature (using FTRIM)
fixed voltage and temperature (using FTRIM)
Δ
f
dco_res_t
—
±
0.1
±
0.2
%f
dco
8
C
Resolution of trimmed DCO output frequency at
fixed voltage and temperature (not using FTRIM)
fixed voltage and temperature (not using FTRIM)
Δ
f
dco_res_t
—
±
0.2
±
0.4
%f
dco
9
P
Total deviation of trimmed DCO output frequency
over voltage and temperature
over voltage and temperature
Δ
f
dco_t
—
+ 0.5
-1.0
±
2
%f
dco
10
C
Total deviation of trimmed DCO output frequency
over fixed voltage and temperature range of
0 - 70
over fixed voltage and temperature range of
0 - 70
°
C
Δ
f
dco_t
—
±
0.5
±
1
%f
dco
11
C FLL acquisition time
2
t
fll_acquire
—
—
1
ms
12
D PLL acquisition time
3
t
pll_acquire
—
—
1
ms
13
C
Long term Jitter of DCO output clock (averaged
over 2ms interval)
4
C
Jitter
—
0.02
0.2
%f
dco
14
D VCO operating frequency
f
vco
7.0
—
55.0
MHz
15
D PLL reference frequency range
f
pll_ref
1.0
—
2.0
MHz
16
T
RMS frequency variation of a single clock cycle
measured 2 ms after reference edge.
5
f
pll_cycjit_2ms
—
—
%f
pll
17
T
Maximum frequency variation averaged over
2 ms window.
2 ms window.
f
pll_maxjit_2ms
—
0.001
—
%f
pll
MCU
EXTAL
XTAL
Crystal or Resonator
R
S
C
2
R
F
C
1