MC9S08FL16 Datasheet, PDF (19/34 Pages) Freescale Semiconductor, Inc – 8-Bit S08 Central Processor Unit (CPU)

Electrical Characteristics
5.8 External Oscillator (XOSC) and ICS Characteristics
Refer to Figure 11 for crystal or resonator circuits.
Table 9. XOSC and ICS Specifications (Temperature Range = –40 to 85 °C Ambient)
Num C
Characteristic
Symbol
Min Typical¹ Max
Oscillator crystal or resonator (EREFS = 1, ERCLKEN = 1)
Low range (RANGE = 0)
High range (RANGE = 1) FEE or FBE mode²
f_lo
1 C _{High range (RANGE = 1), high gain (HGO = 1), FBELP}
f_hi
mode
f_hi
High range (RANGE = 1), low power (HGO = 0), FBELP
f_hi
mode
2 D Load capacitors
C₁
C₂
Feedback resistor
3 D ^{Low range (32 kHz to 38.4 kHz)}
R_F
High range (1 MHz to 16 MHz)
32
—
38.4
1
—
5
1
—
16
1
—
8
See Note³
10
1
Series resistor — Low range
4 D Low gain (HGO = 0)
High gain (HGO = 1)
Series resistor — High range
Low Gain (HGO = 0)
5
D
High Gain (HGO = 1)
≥ 8 MHz
4 MHz
1 MHz
Crystal startup time^{4, 5}
Low range, low power
6 C Low range, high power
High range, low power
High range, high power
7 T Internal reference start-up time
Square wave input clock frequency (EREFS = 0, ERCLKEN
= 1)
8 D _{FEE or FBE mode2}
FBELP mode
9 P Average internal reference frequency — trimmed
10 P ^{DCO output frequency range — trimmed6}
Low range (DRS = 00)
Total deviation of DCO output from trimmed frequency⁴
11 C _{Over full voltage and temperature range}
Over fixed voltage and temperature range of 0 to 70°C
12 C _{FLL acquisition time}^4,7
R_S
R_S
t
CSTL
t
CSTH
t_IRST
f_extal
f_{int_t}
f_{dco_t}
Δf_{dco_t}
t_Acquire
—
0
—
—
100
—
—
0
0
—
0
10
—
0
20
—
200
—
—
400
—
—
5
—
—
15
—
—
60
100
0.03125
—
5
0
—
20
—
31.25
—
16
—
20
— –1.0 to 0.5 ± 2
±0.5
±1
1
Unit
kHz
MHz
MHz
MHz
MΩ
MΩ
kΩ
kΩ
ms
μs
MHz
MHz
kHz
MHz
%f_dco
ms
MC9S08FL16 Series Data Sheet, Rev. 2
Freescale Semiconductor
19