MC9S08QE8_09 Datasheet, PDF (18/46 Pages) Freescale Semiconductor, Inc – 8-Bit HCS08 Central Processor Unit

Electrical Characteristics
EXTAL
XOSCVLP
R_F
XTAL
R_S
Crystal or Resonator
C₁
C₂
Figure 12. Typical Crystal or Resonator Circuit: High Range and Low Range/High Gain
EXTAL
XOSCVLP
XTAL
Crystal or Resonator
Figure 13. Typical Crystal or Resonator Circuit: Low Range/Low Power
3.9 Internal Clock Source (ICS) Characteristics
Table 11. 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_t}
f_{int_ut}
— 32.768 — kHz
31.25
—
39.06 kHz
3 T Internal reference start-up time
t_IRST
—
5
10
μs
4
P
DCO output frequency range —
trimmed²
Low range
(DRS = 00)
f_{dco_t}
16
—
20 MHz
5 P ^{DCO output frequency2}
Reference = 32768 Hz and DMX32 = 1
f_{dco_DMX32}
—
19.92
— 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
MC9S08QE8 Series Data Sheet, Rev. 7
18
Freescale Semiconductor