MC9S08SE8 Datasheet, PDF (20/38 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 15. Typical Crystal or Resonator Circuit: High Range and Low Range/High Gain
EXTAL
XOSCVLP
XTAL
Crystal or Resonator
Figure 16. Typical Crystal or Resonator Circuit: Low Range/Low Power
3.8 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 = 5 V and temperature = 25 °C
2 P Internal reference frequency — user trimmed
f_{int_t}
f_{int_ut}
— 39.0625 — kHz
31.25
—
39.06 kHz
3 T Internal reference start-up time
t_IRST
—
60
100 μs
4
D
DCO output frequency range —
trimmed²
Low range
(DRS = 00)
f_{dco_t}
16
—
20 MHz
5 D ^{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
MC9S08SE8 Series MCU Data Sheet, Rev. 3
20
Freescale Semiconductor