MC9S08QE8 Datasheet, PDF (17/46 Pages) Freescale Semiconductor, Inc – 8-Bit HCS08 Central Processor Unit

EXTAL
XOSCVLP
R_F
XTAL
R_S
Electrical Characteristics
Crystal or Resonator
C₁
C₂
Figure 11. Typical Crystal or Resonator Circuit: High Range and Low Range/High Gain
EXTAL
XOSCVLP
XTAL
Crystal or Resonator
Figure 12. Typical Crystal or Resonator Circuit: Low Range/Low Power
3.9 Internal Clock Source (ICS) Characteristics
Table 10. ICS Frequency Specifications (Temperature Range = –40 to 85°C Ambient)
Num C
Characteristic
Symbol Min. Typical¹ 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
4 P _{DCO output frequency range — trimmed}²
f_{dco_u}
48
—
60 MHz
5 P ^{DCO output frequency2}
Reference = 32768 Hz and DMX32 = 1
f_{dco_DMX32}
—
59.77
— MHz
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
MC9S08QE8 Series, Rev. 3
Freescale Semiconductor
Preliminary
17
Subject to Change Without Notice