mcf51ac256a Freescale Semiconductor, Inc, mcf51ac256a Datasheet - Page 391

• Manufacturer Part Number: mcf51ac256a
• Description: Mcf51ac Flexis
• Manufacturer: Freescale Semiconductor, Inc

Freescale Semiconductor
Figure 16-10. Flowchart of FEI to PEE Mode Transition using an 8 MHz crystal
MCF51AC256 ColdFire Integrated Microcontroller Reference Manual, Rev. 5
MCGC2 = $3E
CLKST = %10?
MCGC2 = $36
I
BLPE MODE ?
N FEI MODE
OSCINIT = 1 ?
IREFST = 0?
MCGC3 = $11
MCGC1 = $98
(LP = 1)
(DIV32 = 1)
ENTER
START
CHECK
CHECK
CHECK
YES
YES
YES
YES
NO
NO
NO
NO
MCGC2 = $36
MCGC3 = $58
BLPE MODE ?
CLKST = %11?
MCGC1 = $18
IN PEE MODE
CONTINUE
PLLST = 1?
LOCK = 1?
(LP = 0)
(LP=1)
CHECK
CHECK
CHECK
IN
YES
YES
YES
YES
Multipurpose Clock Generator (MCGV3)
NO
NO
NO
NO
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