mcf51jf128 Freescale Semiconductor, Inc, mcf51jf128 Datasheet - Page 464

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

Initialization / Application Information
464
Figure 20-14. Flowchart of PEE to BLPI Mode Transition using an 4 MHz crystal
S[CLKST] = %10 ?
BLPE MODE ?
BLPE MODE ?
IN PEE MODE
(C2[LP] = 1)
BLPE MODE ?
(S[LP] = 0)
C2 = 0x1C
C2 = 0x1E
C6 = 0x00
C1 = 0x90
(S[LP]=1)
MCF51JF128 Reference Manual, Rev. 2, 03/2011
START
ENTER
CHECK
IN
IN
YES
YES
YES
NO
NO
NO
Preliminary
S[CLKST] = %01?
S[IREFST] = 0?
S[PLLST] = 0?
IN BLPI MODE
CHECK
C1 = 0x54
C2 = 0x02
CHECK
CONTINUE
CHECK
YES
YES
YES
NO
Freescale Semiconductor, Inc.
NO
NO