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MC9S08AW60CFUE Datasheet, PDF (297/324 Pages) Freescale Semiconductor, Inc – Microcontrollers | |||
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Appendix A Electrical Characteristics and Timing Speciï¬cations
A.9.1 ICG Frequency Specifications
Num
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Table A-12. ICG Frequency Speciï¬cations
(VDDA = VDDA (min) to VDDA (max), Temperature Range = â40 to 125°C Ambient)
C
Characteristic
Symbol
Min
Typ1
Max
Unit
Oscillator crystal or resonator (REFS = 1)
(Fundamental mode crystal or ceramic resonator)
Low range
ï¬o
32
â
100
kHz
T
High range
High Gain, FBE (HGO = 1,CLKS = 10)
fhi_byp
1
â
16
MHz
High Gain, FEE (HGO = 1,CLKS = 11)
fhi_eng
2
â
10
MHz
Low Power, FBE (HGO = 0, CLKS = 10)
ï¬p_byp
1
8
MHz
Low Power, FEE (HGO = 0, CLKS = 11)
ï¬p_eng
2
8
MHz
Input clock frequency (CLKS = 11, REFS = 0)
T
Low range
High range
flo
fhi_eng
32
â
100
kHz
2
â
10
MHz
T Input clock frequency (CLKS = 10, REFS = 0)
fExtal
0
â
40
MHz
P Internal reference frequency (untrimmed)
fICGIRCLK
182.25
243
303.75
kHz
P Duty cycle of input clock (REFS = 0)
Output clock ICGOUT frequency
CLKS = 10, REFS = 0
P
All other cases
tdc
40
â
60
%
fICGOUT
fExtal (min)
flo (min)
â
â
fExtal (max)
fICGDCLKmax
MHz
(max)
Minimum DCO clock (ICGDCLK) frequency
fICGDCLKmin
8
â
MHz
Maximum DCO clock (ICGDCLK) frequency
P Self-clock mode (ICGOUT) frequency 2
fICGDCLKmax
â
40
MHz
fSelf
fICGDCLKmin
fICGDCLKmax MHz
P Self-clock mode reset (ICGOUT) frequency
Loss of reference frequency 3
T
Low range
High range
T Loss of DCO frequency 4
Crystal start-up time 5, 6
T
Low range
High range
fSelf_reset
fLOR
fLOD
t
CSTL
t
CSTH
5.5
8
10.5
MHz
5
50
25
500
kHz
0.5
1.5
MHz
â
430
â
â
4
â
ms
FLL lock time 7
P
Low range
High range
tLockl
â
tLockh
â
5
ms
5
T FLL frequency unlock range
nUnlock
â4*N
4*N
counts
T FLL frequency lock range
T
ICGOUT period jitter, 8 measured at fICGOUT Max
Long term jitter (averaged over 2 ms interval)
nLock
CJitter
â2*N
â
2*N
counts
0.2
% fICG
Oscillator Amplitude (peak-to-peak)
T
HGO = 0
HGO = 1
Voscamp
â
1
â
V
â
VDD
â
MC9S08AW60 Data Sheet, Rev 2
Freescale Semiconductor
297
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