mc9s08gt16a Freescale Semiconductor, Inc, mc9s08gt16a Datasheet - Page 150

• Manufacturer Part Number: mc9s08gt16a
• Description: Hcs08 Microcontrollers 8-bit Microcontroller Family
• Manufacturer: Freescale Semiconductor, Inc

Internal Clock Generator (S08ICGV4)
ICGTRM = $xx
150
Bit 7:0 TRIM
Figure 9-16. 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
MC9S08GT16A/GT8A Data Sheet, Rev. 1
NO
NOTE: THIS WILL REQUIRE THE INTERAL REFERENCE CLOCK TO START AND
STABILIZE.
FLL LOCK STATUS.
FROM STOP
RECOVERY
CONTINUE
LOCK = 1?
CHECK
YES
NO
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