mcf51qe32 Freescale Semiconductor, Inc, mcf51qe32 Datasheet - Page 22
mcf51qe32
Manufacturer Part Number
mcf51qe32
Description
Mc9s08qe128 Flexis 8-bit Hcs08 Microcontrollers
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MCF51QE32.pdf
(52 pages)
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Electrical Characteristics
3.9
22
Num
1
2
3
4
5
6
7
C
C
C
C
P
P Internal reference frequency — user trimmed
T
P
P
P DCO output frequency
P
P
Average internal reference frequency — factory trimmed
Internal reference start-up time
DCO output frequency range —
trimmed
Resolution of trimmed DCO output frequency at fixed voltage and
temperature (using FTRIM)
Resolution of trimmed DCO output frequency at fixed voltage and
temperature (not using FTRIM)
Internal Clock Source (ICS) Characteristics
Figure 13. Typical Crystal or Resonator Circuit: High Range and Low Range/High Gain
Reference = 32768 Hz
DMX32 = 1
Table 11. ICS Frequency Specifications (Temperature Range = –40 to 85°C Ambient)
at V
and
DD
2
= 3.6 V and temperature = 25°C
Figure 14. Typical Crystal or Resonator Circuit: Low Range/Low Gain
MC9S08QE128 Series Advance Information Data Sheet, Rev. 4
2
Characteristic
C
1
EXTAL
EXTAL
Low range (DRS=00)
Mid range (DRS=01)
High range (DRS=10)
Low range (DRS=00)
Mid range (DRS=01)
High range (DRS=10)
Crystal or Resonator
Crystal or Resonator
XOSC
XOSC
R
F
XTAL
XTAL
f
Δf
Δf
dco_DMX32
Symbol
dco_res_t
dco_res_t
f
f
t
R
f
dco_u
int_ut
IRST
int_ft
S
C
2
31.25
Min
16
32
48
—
—
—
—
—
—
—
Freescale Semiconductor
32.768
19.92
39.85
59.77
Typ
± 0.1
± 0.2
60
—
—
—
—
1
39.06
± 0.2
± 0.4
Max
100
20
40
60
—
—
—
—
%f
%f
MHz
MHz
Unit
kHz
kHz
μs
dco
dco