MC9S08GT16A Datasheet, PDF (275/300 Pages) Freescale Semiconductor, Inc – Microcontrollers

Electrical Characteristics
A.9.1 ICG Frequency Specifications
Table A-11. ICG Frequency Specifications
(V_DDA = V_DDA (min) to V_DDA (max), Temperature Range = –40 to 125°C Ambient)
Characteristic
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 ⁴ (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 ¹
Self-clock mode reset (ICGOUT) frequency
Loss of reference frequency ²
Low range
High range
Loss of DCO frequency ³
Crystal start-up time ^{4, 5}
Low range
High range
FLL lock time ^{4, 6}
Low range
High range
FLL frequency unlock range
FLL frequency lock range
ICGOUT period jitter, ^{4, 7} measured at f_ICGOUT Max
Long term jitter (averaged over 2 ms interval)
Internal oscillator deviation from trimmed frequency⁸
V_DD = 1.8 – 3.6 V, (constant temperature)
V_DD = 3.0 V ±10%, –40° C to 125° C
Oscillator Amplitude (peak-to-peak)
HGO = 0
HGO = 1
Symbol
Min
Typical
Max
Unit
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
5
50
f_LOD
0.5
t
CSTL
—
t
CSTH
—
t_Lockl
t_Lockh
n_Unlock
n_Lock
C_Jitter
—
—
–4*N
–2*N
—
ACC_int
—
—
V_oscamp
—
—
—
—
—
—
—
—
—
—
243
—
—
—
8
430
4
± 0.5
±0.5
1
V_DD
100
kHz
16
MHz
10
MHz
8
MHz
8
MHz
100
10
40
303.75
60
kHz
MHz
MHz
kHz
%
f_Extal (max)
f_ICGDCLKmax
(max)
40
f_ICGDCLKmax
10.5
MHz
MHz
MHz
MHz
MHz
25
500
kHz
1.5
MHz
—
—
ms
5
ms
5
4*N
counts
2*N
counts
0.2
% f_ICG
±2
±2
%
—
V
—
MC9S08GT16A/GT8A Data Sheet, Rev. 1
Freescale Semiconductor
275