MC9S08QE8C20 View Datasheet(PDF) - Freescale Semiconductor
Part Name
Description
MFG CO.
'MC9S08QE8C20' PDF : 46 Pages View PDF
Electrical Characteristics
EXTAL
XOSCVLP
RF
XTAL
RS
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 VDD = 3.6 V and temperature = 25 °C
2 P Internal reference frequency — user trimmed
fint_t
fint_ut
— 32.768 — kHz
31.25
—
39.06 kHz
3 T Internal reference start-up time
tIRST
—
5
10
μs
4
P
DCO output frequency range —
trimmed2
Low range
(DRS = 00)
fdco_t
16
—
20 MHz
5 P DCO output frequency2
Reference = 32768 Hz and DMX32 = 1
fdco_DMX32
—
19.92
— MHz
6
C
Resolution of trimmed DCO output frequency at fixed
voltage and temperature (using FTRIM)
Δfdco_res_t
—
±0.1
±0.2 %fdco
MC9S08QE8 Series Data Sheet, Rev. 7
18
Freescale Semiconductor
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