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MC9S08AC16 Datasheet, PDF (313/338 Pages) Freescale Semiconductor, Inc – 8-Bit HCS08 Central Processor Unit (CPU) | |||
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Appendix A Electrical Characteristics and Timing Speciï¬cations
Table A-10. ICG DC Electrical Speciï¬cations (Temperature Range = â40 to 125°C Ambient)
Characteristic
Symbol
Min
Typ1
Max Unit
Load capacitors
Feedback resistor
Low range (32k to 100 kHz)
High range (1M â 16 MHz)
C1
C2
See Note 2
RF
10
MΩ
1
MΩ
Series resistor
Low range
Low Gain (HGO = 0)
High Gain (HGO = 1)
High range
Low Gain (HGO = 0)
High Gain (HGO = 1)
⥠8 MHz
4 MHz
1 MHz
â
0
â
â
100
â
RS
â
0
â
kΩ
â
0
â
â
10
â
â
20
â
1 Typical values are based on characterization data at VDD = 5.0V, 25°C or is typical recommended value.
2 See crystal or resonator manufacturerâs recommendation.
A.9.1 ICG Frequency Specifications
Num
1
2
3
4
5
6
7
8
Table A-11. 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
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)
Low range
High range
flo
fhi_eng
32
â
100
kHz
2
â
10
MHz
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
fExtal
fICGIRCLK
tdc
0
â
182.25 243
40
â
40
303.75
60
MHz
kHz
%
fICGOUT
fExtal (min)
flo (min)
fICGDCLKmin
8
fICGDCLKmax
â
â
fExtal (max)
fICGDCLKmax(
MHz
max)
â
MHz
â
40
MHz
MC9S08AC16 Series Data Sheet, Rev. 0
Freescale Semiconductor
PRELIMINARY
313
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