Datasheet

Appendix A Electrical Characteristics
MC9S08DZ60 Series Data Sheet, Rev. 4
380 Freescale Semiconductor
A.10 External Oscillator (XOSC) Characteristics
3
Monotonicity and No-Missing-Codes guaranteed in 10 bit and 8 bit modes
4
Based on input pad leakage current. Refer to pad electricals.
Table A-11. Oscillator Electrical Specifications (Temperature Range = –40 to 125°C Ambient)
Num C Rating Symbol Min Typ
1
1
Typical data was characterized at 3.0 V, 25°C or is recommended value.
Max Unit
1
Oscillator crystal or resonator (EREFS = 1, ERCLKEN = 1
Low range (RANGE = 0) f
lo
32 — 38.4 kHz
C
High range (RANGE = 1) FEE or FBE mode
2
2
When MCG is configured for FEE or FBE mode, the input clock source must be divisible using RDIV to within the range of
31.25 kHz to 39.0625 kHz.
f
hi-fll
1 — 5 MHz
High range (RANGE = 1) PEE or PBE mode
3
3
When MCG is configured for PEE or PBE mode, input clock source must be divisible using RDIV to within the range of 1 MHz
to 2 MHz.
f
hi-pll
1 — 16 MHz
High range (RANGE = 1, HGO = 1) BLPE mode f
hi-hgo
1 — 16 MHz
High range (RANGE = 1, HGO = 0) BLPE mode f
hi-lp
1 — 8 MHz
2 — Load capacitors
C
1
C
2
See crystal or resonator
manufacturer’s recommendation.
3
Feedback resistor
—
Low range (32 kHz to 100 kHz) R
F
—10—MΩ
High range (1 MHz to 16 MHz) — 1 — MΩ
4
Series resistor
Low range, low gain (RANGE = 0, HGO = 0) — 0 —
Low range, high gain (RANGE = 0, HGO = 1) — 100 —
—
High range, low gain (RANGE = 1, HGO = 0) R
S
—0—kΩ
High range, high gain (RANGE = 1, HGO = 1) ≥ 8 MHz — 0 0
4 MHz — 0 10
1 MHz — 0 20
5
Crystal start-up time
4
4
This parameter is characterized and not tested on each device. Proper PC board layout procedures must be followed to
achieve specifications. This data will vary based upon the crystal manufacturer and board design. The crystal should be
characterized by the crystal manufacturer.
Low range, low gain (RANGE = 0, HGO = 0)
t
CSTL-LP
— 200 —
T Low range, high gain (RANGE = 0, HGO = 1)
t
CSTL-HGO
— 400 —
High range, low gain (RANGE = 1, HGO = 0)
5
5
4 MHz crystal.
t
CSTH-LP
—5—ms
High range, high gain (RANGE = 1, HGO = 1)
4
t
CSTH-HGO
—15—
6
Square wave input clock frequency (EREFS = 0, ERCLKEN = 1)
T
FEE or FBE mode
2
0.03125 — 5
PEE or PBE mode
3
f
extal
1 — 16 MHz
BLPE mode 0 — 40