mc9s08qg4 Freescale Semiconductor, Inc, mc9s08qg4 Datasheet - Page 276

• Manufacturer Part Number: mc9s08qg4
• Description: Hcs08 Microcontrollers Microcontroller Family
• Manufacturer: Freescale Semiconductor, Inc

Internal reference frequency — factory trimmed at V
temperature = 25°C
Oscillator crystal or resonator (EREFS = 1, ERCLKEN = 1)
Load capacitors
Feedback resistor
Series resistor — Low range
Series resistor — High range
Crystal start-up time
Internal reference start-up time
Square wave input clock frequency (EREFS = 0, ERCLKEN = 1)
DCO output frequency range - untrimmed
DCO output frequency range - trimmed
Appendix A Electrical Characteristics
A.7
Reference
276
Internal reference frequency - untrimmed
Internal reference frequency - trimmed
Low range (RANGE = 0)
High range (RANGE = 1) FEE or FBE mode
High range (RANGE = 1), high gain (HGO = 1), FBELP mode
High range (RANGE = 1), low power (HGO = 0), FBELP mode
Low range (32 kHz to 38.4 kHz)
High range (1 MHz to 16 MHz)
FEE or FBE mode
FBELP mode
Low Gain (HGO = 0)
High Gain (HGO = 1)
Low Gain (HGO = 0)
High Gain (HGO = 1)
Low range, low power
Low range, high power
High range, low power
High range, high power
≥ 8 MHz
4 MHz
1 MHz
External Oscillator (XOSC) and Internal Clock Source (ICS)
Characteristics
Table A-8. XOSC and ICS Specifications (Temperature Range = –40 to 125°C Ambient)
Figure A-7
2
3, 4
Characteristic
for crystal or resonator circuit.
MC9S08QG8 and MC9S08QG4 Data Sheet, Rev. 4
5
5
f
dco
1
= 512 * f
DD
= 3.6V and
int_ut
Symbol
f
t
t
f
f
t
dco_ut
f
CSTH
f
CSTL
f
int_ut
dco_t
IRST
int_ft
extal
R
R
C
C
R
int_t
f
f
f
f
lo
hi
hi
hi
S
S
1
2
F
0.03125
31.25
12.8
Min
—
32
—
—
—
—
—
—
—
—
—
—
25
16
1
1
1
0
31.25
32.7
16.8
Typ
100
200
400
See Note
10
15
60
—
—
—
—
—
—
—
—
1
0
0
0
0
5
Freescale Semiconductor
2
41.66
39.06
21.33
Max
38.4
100
16
10
20
20
20
—
—
—
—
—
—
—
5
8
0
5
MHz
MHz
MHz
MHz
MHz
MHz
MHz
Unit
kHz
kHz
kHz
kHz
MΩ
MΩ
ms
kΩ
kΩ
μs