mc68hc908kx8 Freescale Semiconductor, Inc, mc68hc908kx8 Datasheet - Page 189

• Manufacturer Part Number: mc68hc908kx8
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Figure 17-1
is (measured-nominal)/nominal.
nominal voltage and temperature across V
(N) set to 1.
Freescale Semiconductor
through
Figure 17-2
Figure 17-1. Example of Frequency Variation Across Temperature,
Figure 17-2. Example of Frequency Variation Across Temperature,
Figure 17-4
-2.00%
-4.00%
-6.00%
MC68HC908KX8 • MC68HC908KX2 • MC68HC08KX8 Data Sheet, Rev. 2.1
6.00%
4.00%
2.00%
0.00%
-2.00%
-4.00%
-6.00%
6.00%
4.00%
2.00%
0.00%
2.7
3
3.3
shows 5 V.
2.7
3
3.3
Trimmed at Nominal 3 Volts, 25°C, and N = 104
0.021688017
0.027728231
0.033525215
Trimmed at Nominal 3 Volts, 25°C, and N = 1
0.012931034
0.00862069
0.00862069
-40
illustrate typical performance. The formula for this variation of frequency
Figure 17-1
-40
-0.004114642
-0.004310345 -0.021551724 -0.036637931
0.006019945
DD
25
shows the variation in ICG frequency for a part trimmed at
25
0
0
0
and temperature for a 3-V application with multiply register
-0.023706897 -0.034482759
-0.019396552 -0.034482759
-0.035937247
-0.033768445
-0.032552294
85
85
Trimmed Accuracy of the Internal Clock Generator
-0.054665964
-0.055436193
-0.055456462
125
125
2.7
3
3.3
2.7
3
3.3
189