mc9s08ac16 Freescale Semiconductor, Inc, mc9s08ac16 Datasheet - Page 156

• Manufacturer Part Number: mc9s08ac16
• Description: Hcs08 Microcontrollers 8-bit Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Chapter 8 Internal Clock Generator (S08ICGV4)
ICGTRM = $xx
156
Bit 7:0 TRIM
Figure 8-16. ICG Initialization and Stop Recovery for Example #3
FLL LOCK STATUS.
INITIALIZE ICG
ICGC1 = $28
ICGC2 = $31
CONTINUE
LOCK = 1?
RESET
CHECK
Only need to write when trimming internal oscillator; done in separate
operation (see example #4)
YES
MC9S08AC16 Series Data Sheet, Rev. 0
NO
PRELIMINARY
NOTE: THIS WILL REQUIRE THE INTERAL REFERENCE CLOCK TO START AND
STABILIZE.
FLL LOCK STATUS.
FROM STOP
RECOVERY
CONTINUE
LOCK = 1?
CHECK
YES
NO
Freescale Semiconductor