MC9S08GW64 Datasheet, PDF (21/38 Pages) Freescale Semiconductor, Inc – Covers: MC9S08GW64 and MC9S08GW32

Electrical Characteristics
Table 11. XOSCVLP and ICS Specifications (Temperature Range = –40 to 85°C Ambient)
Num C
Characteristic
Symbol Min
Typ¹ Max Unit
6 D Square wave input clock frequency (EREFS = 0, ERCLKEN = 1)
FEE mode
FBE or FBELP mode
f_extal 0.03125 —
0
—
20 MHz
20 MHz
1 _{Data in Typical column was characterized at 3.0 V, 25°C or is typical recommended value.}
2 _{Load capacitors (C1,C2), feedback resistor (RF) and series resistor (RS) are incorporated internally when RANGE=HGO=0.}
3 _{See crystal or resonator manufacturer’s recommendation.}
4 _{Proper PC board layout procedures must be followed to achieve specifications.}
EXTAL
XOSCVLP
R_F
XTAL
R_S
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 = –40 to 85°C Ambient)
Num C
Characteristic
Symbol Min
Typ¹
Max Unit
1 P Average internal reference frequency — factory trimmed at
VDD = 3.6 V and temperature = 25 °C
2 P Average internal reference frequency - trimmed
3 T Internal reference start-up time
f_{int_ft}
f_{int_t}
t_IRST
—
32.768
—
kHz
31.25
—
39.063 kHz
—
—
6
μs
MC9S08GW64 Series MCU Data Sheet, Rev. 1
Freescale Semiconductor
PRELIMINARY-SUBJECT TO CHANGE WITHOUT NOTICE
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