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MC9S08LL16 Datasheet, PDF (26/50 Pages) Freescale Semiconductor, Inc – 8-Bit HCS08 Central Processor Unit | |||
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Electrical Characteristics
EXTAL
XOSCVLP
RF
XTAL
RS
Crystal or Resonator
C1
C2
Figure 13. Typical Crystal or Resonator Circuit: High Range and Low Range/High Gain
EXTAL
XOSCVLP
XTAL
Crystal or Resonator
Figure 14. Typical Crystal or Resonator Circuit: Low Range/Low Power
3.9 Internal Clock Source (ICS) Characteristics
Table 12. ICS Frequency Specifications (Temperature Range = â40 to 85°C Ambient)
Num C
Characteristic
Symbol Min
Typ1
Max Unit
1
P
Average internal reference frequency â factory trimmed at
VDD = 3.6 V and temperature = 25 °C
fint_ft
â
32.768
â
kHz
2 P Average internal reference frequency - trimmed
fint_t
31.25
â
39.063 kHz
3 T Internal reference start-up time
tIRST
â
â
6
μs
4 P DCO output frequency range - untrimmed
fdco_ut
12.8
16.8
21.33 MHz
5 P DCO output frequency range - trimmed
fdco_t
16
â
20 MHz
6
C
Resolution of trimmed DCO output frequency at fixed
voltage and temperature (using FTRIM)
Îfdco_res_t â
±0.1
±0.2 %fdco
7
C
Resolution of trimmed DCO output frequency at fixed
voltage and temperature (not using FTRIM)
Îfdco_res_t â
±0.2
±0.4 %fdco
8
C
Total deviation from trimmed DCO output frequency over
voltage and temperature
Îfdco_t
â
+ 0.5
â1.0
±2 %fdco
MC9S08LL16 Series MCU Data Sheet, Rev. 4
26
Freescale Semiconductor
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