MC9S08GW64_11 Datasheet, PDF (26/42 Pages) Freescale Semiconductor, Inc – HC08 instruction set with added BGND instruction

Electrical Characteristics
3.8 External Oscillator (XOSCVLP) Characteristics
Reference Figure 14 and Figure 15 for crystal or resonator circuits.
Table 11. XOSCVLP and ICS Specifications (Temperature Range = –40 to 85C Ambient)
Num C
Characteristic
Symbol Min
Typ¹ Max
1 C _{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)
2 D Load capacitors
Low range (RANGE=0), low power (HGO=0)
Other oscillator settings
f_lo
32
—
38.4
f_hi
1
—
16
f_hi
1
—
8
C_1,C₂
See Note ²
See Note ³
Unit
kHz
MHz
MHz
3 D 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
M
—
—
—
—
10
—
—
1
—
4 D 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
5 C Crystal start-up time ⁴
Low range, low power
Low range, high gain
High range, low power
High range, high gain
—
—
—
—
100
—
R_S
—
0
—
k
—
0
0
—
0
10
—
0
20
t
CSTL
—
600
—
t
CSTH
—
—
400
5
—
—
ms
—
15
—
6 D Square wave input clock frequency (EREFS = 0, ERCLKEN = 1)
FEE mode
FBE or FBELP mode
f_extal 0.03125 —
0
—
20 MHz
20 MHz
1 _{Data in Typical column was 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.}
MC9S08GW64 Series MCU Data Sheet, Rev. 3
26
Freescale Semiconductor