CHAPTER 19 FLASH MEMORY
User’s Manual U17446EJ3V1UD
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Figure 19-21. Example of Shifting to Normal Mode
Shift to normal mode
PFCMD = A5H
<4> Check execution result
(FPRERR flag)
Abnormal
Normal
<1> Clear FLCMD
(FLCMD = 00H)
<2> Clear PFS
<6> Termination
FLPMC = 00H (set value)
FLPMC = 0FFH (inverted set value)
FLPMC = 00H (set value)
; Set value is invalid
; Set value is valid
<5> Enable interrupts
(by executing EI instruction
and changing MK0)
; When interrupt function is used
<3>
Restore the CPU clock to its setting
before the self programming
Caution Be sure to perform the series of operations described above using the user program at an
address where data is not erased nor written.
Remark
<1> to <6> in Figure 19-21 correspond to <1> to <6> in
19.8.5
(previous page).
<R>
<R>
Содержание 78K0S/KB1+
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