MC9S08QE128_08 Datasheet, PDF (22/50 Pages) Freescale Semiconductor, Inc – 8-Bit HCS08 Central Processor Unit (CPU)

Electrical Characteristics
EXTAL
XOSC
R_F
XTAL
R_S
Crystal or Resonator
C₁
C₂
Figure 13. Typical Crystal or Resonator Circuit: High Range and Low Range/High Gain
EXTAL
XOSC
XTAL
Crystal or Resonator
Figure 14. Typical Crystal or Resonator Circuit: Low Range/Low Gain
3.9 Internal Clock Source (ICS) Characteristics
Table 12. ICS Frequency Specifications (Temperature Range = –40 to 85°C Ambient)
Num C
Characteristic
Symbol
Min Typ¹ Max Unit
1
P
Average internal reference frequency — factory trimmed
at V_DD = 3.6 V and temperature = 25°C
2 P Internal reference frequency — user trimmed
f_{int_ft}
f_{int_ut}
— 32.768 —
kHz
31.25 — 39.06 kHz
3 T Internal reference start-up time
t_IRST
—
60
100
μs
P
Low range (DRS=00)
DCO output frequency range —
4 P _{trimmed 2}
Mid range (DRS=01)
P
High range (DRS=10)
f_{dco_u}
16
—
20
32
—
40 MHz
48
—
60
P _{DCO output frequency} ²
5 P ^{Reference = 32768 Hz}
and
P DMX32 = 1
Low range (DRS=00)
Mid range (DRS=01)
High range (DRS=10)
— 19.92 —
f_{dco_DMX32}
—
39.85
—
MHz
— 59.77 —
6
C
Resolution of trimmed DCO output frequency at fixed voltage and
temperature (using FTRIM)
Δf_{dco_res_t}
—
± 0.1 ± 0.2 %f_dco
7
C
Resolution of trimmed DCO output frequency at fixed voltage and
temperature (not using FTRIM)
Δf_{dco_res_t}
—
± 0.2 ± 0.4 %f_dco
MC9S08QE128 Series Data Sheet, Rev. 7
22
Freescale Semiconductor