Datasheet

Electrical Specifications
MC68HC908KX8 • MC68HC908KX2 • MC68HC08KX8 Data Sheet, Rev. 2.1
190 Freescale Semiconductor
Figure 17-3 and Figure 17-4 shows N set to 104, hex 68, which corresponds to an ICG frequency of 31.9
MHz or 7.9 MHz bus.
Figure 17-3. Example of Frequency Variation Across Temperature,
Trimmed at Nominal 5 Volts, 25°C, and N = 1
Figure 17-4. Example of Frequency Variation Across Temperature,
Trimmed at Nominal 5 Volts, 25°C, and N = 104
-6.00%
-4.00%
-2.00%
0.00%
2.00%
4.00%
6.00%
4.5
5
5.5
4.5
0.015021459 0.002145923 -0.025751073 -0.036480687
5
0.015021459 0 -0.021459227 -0.034334764
5.5
0.012875536 0.006437768 -0.019313305 -0.030042918
-40 25 85 125
,,
-9.00%
-4.00%
1.00%
6.00%
4.5
5
5.5
4.5
0.031595514 -0.001573799 -0.045660099 -0.073709584
5
0.045460884 0 -0.052393569 -0.076379066
5.5
0.042572265 -0.009064287 -0.047532721 -0.077255613
-40 25 85 125