Datasheet

Appendix A Electrical Characteristics
MC9S08LC60 Series Data Sheet: Technical Data, Rev. 4
Freescale Semiconductor 339
A.9 Internal Clock Generation Module Characteristics
A.9.1 ICG Frequency Specifications
Table A-11. ICG DC Electrical Specifications (Temperature Range = 0 to 70°C Ambient)
Characteristic Symbol Min Typ
(1)
1
Data in Typical column was characterized at 3.0 V, 25°C or is typical recommended value.
Max Unit
Load capacitors C
1
C
2
See Note
(2)
2
See crystal or resonator manufacturer’s recommendation.
Feedback resistor
Low range (32k to 100 kHz)
High range (1M – 16 MHz)
R
F
10
1
MΩ
MΩ
Series resistor
Low range (32 kHz to 100 kHz)
High range (1 MHz to 16 MHz)
R
S
0
0
0
0
10
0
kΩ
Table A-12. ICG Frequency Specifications
(V
DDA
= V
DDA
(min) to V
DDA
(max), Temperature Range = 0 to 70°C Ambient)
Characteristic Symbol Min Typical Max Unit
Oscillator crystal or resonator (REFS = 1)
(Fundamental mode crystal or ceramic
resonator)
Low range
High range, FLL bypassed external (CLKS = 10)
High range, FLL engaged external (CLKS = 11)
f
lo
f
hi_byp
f
hi_eng
32
1
2
—
—
—
100
16
10
kHz
MHz
MHz
Input clock frequency (CLKS = 11, REFS = 0)
Low range
High range
f
lo
f
hi_eng
32
2
—
—
100
10
kHz
MHz
Input clock frequency (CLKS = 10, REFS = 0)
f
Extal
0 — 40 MHz
Internal reference frequency (untrimmed)
f
ICGIRCLK
182.25 243 303.75 kHz
ICG
EXTAL XTAL
Crystal or Resonator (See Note)
C
2
R
F
C
1
Use fundamental mode crystal or ceramic resonator only.
NOTE:
R
S