mcf51jf128 Freescale Semiconductor, Inc, mcf51jf128 Datasheet - Page 461

• Manufacturer Part Number: mcf51jf128
• Description: Mcf51jf128 Reference Manual
• Manufacturer: Freescale Semiconductor, Inc

Freescale Semiconductor, Inc.
Figure 20-13. Flowchart of FEI to PEE Mode Transition using an 4 MHz crystal
(C5[VDIV] = 1)
S[CLKST] = %10?
IN FEI MODE
BLPE MODE ?
(C2[LP] = 1)
S[OSCINIT] = 1?
C5 = 0x01
C2 = 0x1E
S[IREFST] = 0?
START
C1 = 0x90
C2 = 0x1C
CHECK
CHECK
ENTER
CHECK
MCF51JF128 Reference Manual, Rev. 2, 03/2011
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Preliminary
Chapter 20 Multipurpose Clock Generator (MCG)
S[CLKST] = %11?
BLPE MODE ?
IN PEE MODE
(S[LP]=1)
S[PLLST] = 1?
CONTINUE
C2 = 0x1C
(S[LP]=0)
C6 = 0x40
S[LOCK] = 1?
C1 = 0x10
CHECK
CHECK
CHECK
IN
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