Datasheet

Appendix A Electrical Characteristics
MC9S08SG8 MCU Series Data Sheet, Rev. 8
Freescale Semiconductor 297
A.8 External Oscillator (XOSC) Characteristics
Table A-8. Oscillator Electrical Specifications (Temperature Range = –40 to 125C Ambient)
Nu
m
C Rating Symbol Min Typ
1
1
Typical data was characterized at 5.0 V, 25C or is recommended value.
Max
Uni
t
Temp Rated
2
Standard
AEC
Grade 0
1C
Oscillator crystal or resonator (EREFS = 1,
ERCLKEN = 1)
Low range (RANGE = 0) f
lo
32 — 38.4 kHz x x
High range (RANGE = 1) FEE or FBE mode
3
f
hi
1—5MHzx x
High range (RANGE = 1, HGO = 1) FBELP
mode
f
hi-hgo
1—16MHzx x
High range (RANGE = 1, HGO = 0) FBELP
mode
f
hi-lp
1—8MHzx x
2—
Load capacitors
C
1,
C
2
See crystal or resonator manufacturer’s
recommendation.
3—
Feedback resistor
R
F
M
xx
Low range (32 kHz to 100 kHz) — 10 —
High range (1 MHz to 16 MHz) — 1 — x x
4—
Series resistor
R
S
k
Low range, low gain (RANGE = 0, HGO =
0)
—0—
xx
Low range, high gain (RANGE = 0, HGO =
1)
— 100 —
xx
High range, low gain (RANGE = 1, HGO =
0)
—0—
xx
High range, high gain (RANGE = 1, HGO
= 1)
 8 MHz — 0 0 x x
 MHz — 0 10 x x
 MHz — 0 20 x x
5T
Crystal start-up time
4
ms
Low range, low gain (RANGE = 0, HGO =
0)
t
CSTL-LP
— 200 —
xx
Low range, high gain (RANGE = 0, HGO =
1)
t
CSTL-HGO
— 400 —
xx
High range, low gain (RANGE = 1, HGO =
0)
5
t
CSTH-LP
—5—
xx
High range, high gain (RANGE = 1, HGO
= 1)
4
t
CSTH-HGO
—20—
xx
6T
Square wave input clock frequency (EREFS = 0,
ERCLKEN = 1)
f
extal
FEE or FBE mode
2
0.03125 — 5 MHz x
FBELP mode 0
0
—
—
40
36
MHz x
x