S9S12G128F0MLL Datasheet, PDF (396/1292 Pages) Freescale Semiconductor, Inc – Reference Manual and Date Sheet

S12 Clock, Reset and Power Management Unit (S12CPMU)
IRC1M frequency (IRCCLK)
1.5MHz
{ ^IRCTRIM[5:0]
1MHz
IRCTRIM[9:6]
......
600KHz
$000
Figure 10-25. IRC1M Frequency Trimming Diagram
IRCTRIM[9:0]
$3FF
MC9S12G Family Reference Manual, Rev.1.23
398
Freescale Semiconductor