MC9S08QE32_09 Datasheet, PDF (18/46 Pages) Freescale Semiconductor, Inc – 8-Bit HCS08 Central Processor Unit (CPU)

Electrical Characteristics
1 _{Not available in stop2 mode.}
3.8 External Oscillator (XOSCVLP) Characteristics
Reference Figure 11 and Figure 12 for crystal or resonator circuits.
Table 10. XOSC and ICS Specifications (Temperature Range = –40 to 85°C Ambient)
Num C
Characteristic
Symbol Min Typical¹ Max Unit
Oscillator crystal or resonator (EREFS = 1, ERCLKEN = 1)
1
C
Low range (RANGE = 0)
High range (RANGE = 1), high gain (HGO = 1)
High range (RANGE = 1), low power (HGO = 0)
Load capacitors
2
D
Low range (RANGE=0), low power (HGO=0)
Other oscillator settings
f_lo
32
—
38.4 kHz
f_hi
1
—
16 MHz
f_hi
1
—
8
MHz
C₁
See Note ²
C₂
See Note ³
Feedback resistor
3D
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
—
—
MΩ
—
1
—
Series resistor —
Low range, low power (RANGE = 0, HGO = 0)²
Low range, high gain (RANGE = 0, HGO = 1)
4D
High range, low power (RANGE = 1, HGO = 0)
High range, high gain (RANGE = 1, HGO = 1)
≥ 8 MHz
4 MHz
1 MHz
Crystal start-up time ⁴
Low range, low power
5 C Low range, high power
High range, low power
High range, high power
—
—
—
—
100
—
R_S
—
0
—
kΩ
—
0
0
—
0
10
—
0
20
t
CSTL
—
200
—
—
400
—
ms
t
CSTH
—
5
—
—
15
—
Square wave input clock frequency (EREFS = 0, ERCLKEN = 1)
6 D ^{FEE mode}
FBE or FBELP mode
f_extal 0.03125 —
0
—
40 MHz
40 MHz
1 _{Data in Typical column is characterized at 3.0 V, 25 °C or is typical recommended value.}
2 _{Load capacitors (C1,C2), feedback resistor (RF) and series resistor (RS) are incorporated internally when RANGE=HGO=0.}
3 _{See crystal or resonator manufacturer’s recommendation.}
4 _{Proper PC board layout procedures must be followed to achieve specifications.}
MC9S08QE32 Series MCU Data Sheet, Rev. 6
18
Freescale Semiconductor