MC9S08AW32CPUE Datasheet, PDF (297/324 Pages) Freescale Semiconductor, Inc – Microcontrollers

Appendix A Electrical Characteristics and Timing Specifications
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 Specifications
(V_DDA = V_DDA (min) to V_DDA (max), Temperature Range = –40 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
flo
32
—
100
kHz
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)
T
Low range
High range
f_lo
f_{hi_eng}
32
—
100
kHz
2
—
10
MHz
T Input clock frequency (CLKS = 10, REFS = 0)
f_Extal
0
—
40
MHz
P Internal reference frequency (untrimmed)
f_ICGIRCLK
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
t_dc
40
—
60
%
f_ICGOUT
f_Extal (min)
f_lo (min)
—
—
f_Extal (max)
f_ICGDCLKmax
MHz
(max)
Minimum DCO clock (ICGDCLK) frequency
f_ICGDCLKmin
8
—
MHz
Maximum DCO clock (ICGDCLK) frequency
P Self-clock mode (ICGOUT) frequency ²
f_ICGDCLKmax
—
40
MHz
f_Self
f_ICGDCLKmin
f_ICGDCLKmax 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
f_{Self_reset}
f_LOR
f_LOD
t
CSTL
t
CSTH
5.5
8
10.5
MHz
5
50
25
500
kHz
0.5
1.5
MHz
—
430
—
—
4
—
ms
FLL lock time ⁷
P
Low range
High range
t_Lockl
—
t_Lockh
—
5
ms
5
T FLL frequency unlock range
n_Unlock
–4*N
4*N
counts
T FLL frequency lock range
T
ICGOUT period jitter, ⁸ measured at f_ICGOUT Max
Long term jitter (averaged over 2 ms interval)
n_Lock
C_Jitter
–2*N
—
2*N
counts
0.2
% f_ICG
Oscillator Amplitude (peak-to-peak)
T
HGO = 0
HGO = 1
V_oscamp
—
1
—
V
—
V_DD
—
MC9S08AW60 Data Sheet, Rev 2
Freescale Semiconductor
297