MC9S08AC16_08 Datasheet, PDF (317/344 Pages) Freescale Semiconductor, Inc – 8-Bit HCS08 Central Processor Unit (CPU)

Appendix A Electrical Characteristics and Timing Specifications
Table A-10. ICG DC Electrical Specifications (Temperature Range = –40 to 125°C Ambient)
Characteristic
Symbol
Min
Typ¹
Max Unit
Load capacitors
Feedback resistor
Low range (32k to 100 kHz)
High range (1M – 16 MHz)
C₁
C₂
See Note ²
R_F
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
—
0
—
—
100
—
R_S
—
0
—
kΩ
—
0
—
—
10
—
—
20
—
1 _{Typical values are based on characterization data at VDD = 5.0V, 25°C or is typical recommended value.}
2 _{See crystal or resonator manufacturer’s recommendation.}
A.9.1 ICG Frequency Specifications
Num
1
2
3
4
5
6
7
8
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
flo
32
—
100
kHz
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)
Low range
High range
f_lo
f_{hi_eng}
32
—
100
kHz
2
—
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
f_Extal
f_ICGIRCLK
t_dc
0
—
182.25 243
40
—
40
303.75
60
MHz
kHz
%
f_ICGOUT
f_Extal (min)
f_lo (min)
f_ICGDCLKmin
8
f_ICGDCLKmax
—
—
f_Extal (max)
f_ICGDCLKmax(
MHz
max)
—
MHz
—
40
MHz
MC9S08AC16 Series Data Sheet, Rev. 6
Freescale Semiconductor
317