Datasheet

Electrical Characteristics
MC9S08QB8 Series MCU Data Sheet, Rev. 3
Freescale Semiconductor 15
3.8 External Oscillator (XOSC) Characteristics
Reference Figure 10 and Figure 11 for crystal or resonator circuits.
4 T RTC Does not include clock source
current
50 75 100 150 nA
5TLVD
1
LVDSE = 1 90 100 110 115 μA
6TACMP
1
Not using the bandgap (BGBE = 0) 18 20 22 23 μA
7TADC
1
ADLPC = ADLSMP = 1
Not using the bandgap (BGBE = 0)
95 106 114 120 μA
1
Not available in stop2 mode.
Table 10. XOSCVLP and ICS Specifications (Temperature Range = –40 to 85°C Ambient)
Num C Characteristic Symbol Min Typ
1
Max Unit
1C
Oscillator crystal or resonator (EREFS = 1, ERCLKEN = 1)
Low range (RANGE = 0)
High range (RANGE = 1), high gain (HGO = 1)
High range (RANGE = 1), low power (HGO = 0)
f
lo
f
hi
f
hi
32
1
1
—
—
—
38.4
16
8
kHz
MHz
MHz
2D
Load capacitors
Low range (RANGE=0), low power (HGO=0)
Other oscillator settings
C
1,
C
2
See Note
2
See Note
3
3D
Feedback resistor
Low range, low power (RANGE = 0, HGO = 0)
2
Low range, high gain (RANGE = 0, HGO = 1)
High range (RANGE = 1, HGO = X)
R
F
—
—
—
—
10
1
—
—
—
MΩ
4D
Series resistor —
Low range, low power (RANGE = 0, HGO = 0)
2
Low range, high gain (RANGE = 0, HGO = 1)
High range, low power (RANGE = 1, HGO = 0)
High range, high gain (RANGE = 1, HGO = 1)
≥ 8 MHz
4 MHz
1 MHz
R
S
—
—
—
—
—
—
—
100
0
0
0
0
—
—
—
0
10
20
kΩ
5C
Crystal start-up time
4
Low range, low power
Low range, high gain
High range, low power
High range, high gain
t
CSTL
t
CSTH
—
—
—
—
600
400
5
15
—
—
—
—
ms
6D
Square wave input clock frequency (EREFS = 0, ERCLKEN = 1)
FEE mode
FBE or FBELP mode
f
extal
0.03125
0
—
—
20
20
MHz
Table 9. Stop Mode Adders (continued)
Num C Parameter Condition
Temperature
Units
–40°C 25°C 70°C 85°C