mc9s12vr48 Freescale Semiconductor, Inc, mc9s12vr48 Datasheet - Page 158

• Manufacturer Part Number: mc9s12vr48
• Description: S12 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Clock, Reset and Power Management (S12CPMU_UHV)
158
TCTRIM[4:0]
00000
00001
00010
00011
00100
00101
00110
00111
01000
01001
01010
01011
01100
01101
01110
01111
10000
10001
10010
10011
10100
10101
10110
10111
11000
11001
11010
11011
11100
11101
11110
11111
Table 4-26. TC trimming of the frequency of the IRC1M at ambient temperature
Since the IRC1M frequency is not a linear function of the temperature, but
more like a parabola, the above relative variation is only an indication and
should be considered with care.
0 (nominal TC of the IRC)
0 (nominal TC of the IRC)
relative TC variation
IRC1M Indicative
MC9S12VR Family Reference Manual,
Preliminary - Subject to Change Without Notice
+0.27%
+0.54%
+0.81%
+1.07%
+1.34%
+1.59%
+1.86%
+2.11%
+2.38%
+2.62%
+2.89%
+3.12%
+3.39%
+3.62%
+3.89%
-0.27%
-0.54%
-0.81%
-1.08%
-1.35%
-1.63%
-2.20%
-2.47%
-2.77%
-3.33%
-3.91%
-4.18%
-1.9%
-3.6%
-3.04
NOTE
IRC1M indicative frequency drift for
relative TC variation
Rev. 2.2
+0.5%
+0.9%
+1.3%
+1.7%
+2.0%
+2.2%
+2.5%
+3.0%
+3.4%
+3.9%
+4.3%
+4.7%
+5.1%
+5.6%
+5.9%
-0.5%
-0.9%
-1.3%
-1.7%
-2.0%
-2.2%
-2.5%
-3.0%
-3.4%
-3.9%
-4.3%
-4.7%
-5.1%
-5.6%
-5.9%
0%
0%
Freescale Semiconductor