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MC9S08AW60 Datasheet, PDF (293/320 Pages) Freescale Semiconductor, Inc – Microcontrollers
Appendix A Electrical Characteristics and Timing Specifications
A.9.1 ICG Frequency Specifications
Table A-12. ICG Frequency Specifications
(VDDA = VDDA (min) to VDDA (max), Temperature Range = –40 to 125°C Ambient)
Num
C
Characteristic
Symbol
Min
Typ1
Max
Unit
Oscillator crystal or resonator (REFS = 1)
(Fundamental mode crystal or ceramic resonator)
Low range
flo
32
—
100
kHz
1
T
High range
High Gain, FBE (HGO = 1,CLKS = 10)
fhi_byp
1
—
16
MHz
High Gain, FEE (HGO = 1,CLKS = 11)
fhi_eng
2
—
10
MHz
Low Power, FBE (HGO = 0, CLKS = 10)
flp_byp
1
8
MHz
Low Power, FEE (HGO = 0, CLKS = 11)
flp_eng
2
8
MHz
Input clock frequency (CLKS = 11, REFS = 0)
2
T
Low range
High range
flo
fhi_eng
32
—
100
kHz
2
—
10
MHz
3
T Input clock frequency (CLKS = 10, REFS = 0)
fExtal
0
—
40
MHz
4
P Internal reference frequency (untrimmed)
fICGIRCLK
182.25
243
303.75
kHz
5
P Duty cycle of input clock (REFS = 0)
tdc
40
—
60
%
Output clock ICGOUT frequency
CLKS = 10, REFS = 0
6
P
All other cases
fICGOUT
fExtal (min)
flo (min)
—
—
fExtal (max)
fICGDCLKmax(
MHz
max)
7
Minimum DCO clock (ICGDCLK) frequency
8
Maximum DCO clock (ICGDCLK) frequency
9
P Self-clock mode (ICGOUT) frequency 2
10
P Self-clock mode reset (ICGOUT) frequency
Loss of reference frequency 3
11
T
Low range
High range
12
T Loss of DCO frequency 4
Crystal start-up time 5, 6
13
T
Low range
High range
FLL lock time , 7
14
P
Low range
High range
15
T FLL frequency unlock range
fICGDCLKmin
8
—
MHz
fICGDCLKmax
—
40
MHz
fSelf
fICGDCLKmin
fICGDCLKmax MHz
fSelf_reset
5.5
8
10.5
MHz
fLOR
fLOD
t
CSTL
t
CSTH
5
50
25
500
kHz
0.5
1.5
MHz
—
430
—
—
4
—
ms
tLockl
tLockh
nUnlock
—
—
–4*N
5
ms
5
4*N
counts
16
T FLL frequency lock range
nLock
17
T
ICGOUT period jitter, , 8 measured at fICGOUT Max
Long term jitter (averaged over 2 ms interval)
CJitter
–2*N
—
Internal oscillator deviation from trimmed
18
P
frequency9
VDD = 2.7 – 5.5 V, (constant temperature)
C
VDD = 5.0 V ±10%, –40° C to 125°C
ACCint
—
—
± 0.5
±0.5
1 Typical values are based on characterization data at VDD = 5.0V, 25°C unless otherwise stated.
2 Self-clocked mode frequency is the frequency that the DCO generates when the FLL is open-loop.
2*N
counts
0.2
% fICG
±2
±2
%
MC9S08AW60 Data Sheet, Rev.1.0
Freescale Semiconductor
293