MC9S08AC16_0911 Datasheet, PDF (308/336 Pages) Freescale Semiconductor, Inc – HCS08 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
Table A-11. 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
High range
High Gain, FBE (HGO = 1,CLKS = 10)
High Gain, FEE (HGO = 1,CLKS = 11)
Low Power, FBE (HGO = 0, CLKS = 10)
Low Power, FEE (HGO = 0, CLKS = 11)
Input clock frequency (CLKS = 11, REFS = 0)
Low range
High range
Input clock frequency (CLKS = 10, REFS = 0)
Internal reference frequency (untrimmed)
Duty cycle of input clock (REFS = 0)
Output clock ICGOUT frequency
CLKS = 10, REFS = 0
All other cases
Minimum DCO clock (ICGDCLK) frequency
Maximum DCO clock (ICGDCLK) frequency
Self-clock mode (ICGOUT) frequency ²
Self-clock mode reset (ICGOUT) frequency
Loss of reference frequency ³
Low range
High range
Loss of DCO frequency ⁴
Crystal start-up time ^{5, 6}
Low range
High range
FLL lock time ^{, 7}
Low range
High range
FLL frequency unlock range
FLL frequency lock range
ICGOUT period jitter, ^{, 8} measured at f_ICGOUT Max
Long term jitter (averaged over 2 ms interval)
flo
fhi_byp
fhi_eng
flp_byp
flp_eng
f_lo
f_{hi_eng}
f_Extal
f_ICGIRCLK
t_dc
32
1
2
1
2
32
2
0
182.25
40
f_ICGOUT
f_Extal (min)
f_lo (min)
f_ICGDCLKmin
8
f_ICGDCLKmax
f_Self
f_ICGDCLKmin
f_{Self_reset}
5.5
f_LOR
f_LOD
t
CSTL
t
CSTH
t_Lockl
t_Lockh
n_Unlock
n_Lock
C_Jitter
5
50
0.5
—
—
—
—
–4*N
–2*N
—
—
100
kHz
—
16
MHz
—
10
MHz
8
MHz
8
MHz
—
100
kHz
—
10
MHz
—
40
MHz
243 303.75
kHz
—
60
%
—
—
f_Extal (max)
f_ICGDCLKmax( MHz
max)
—
MHz
—
40
MHz
f_ICGDCLKmax MHz
8
10.5
MHz
25
500
kHz
1.5
MHz
430
—
4
—
ms
2
ms
2
4*N
counts
2*N
counts
0.2
% f_ICG
MC9S08AC16 Series Data Sheet, Rev. 8
308
Freescale Semiconductor