UPD78F9234MC-5A4-A Datasheet, PDF (311/419 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

CHAPTER 19 FLASH MEMORY
Figure 19-23. Example of Internal Verify 1 Operation in Self Programming Mode
Internal verify 1
<1> Set internal verify 1
command (FLCMD = 01H)
<2> Set block no. for
internal verify, to FLAPH
<3> Set 00H to FLAPL
<4> Set the same value as
that of FLAPH to FLAPHC
<5> Set FFH to FLAPLC
<6> Clear PFS
<7> Clear & restart WDT counter
(WDTE = ACH)^Note
<8> Execute HALT instruction
<9> Check execution result Abnormal
(VCERR and WEPRERR flags)
Normal
<11> Normal termination
<10> Abnormal termination
Note This setting is not required when the watchdog timer is not used.
Remark <1> to <11> in Figure 19-23 correspond to <1> to <11> of internal verify 1 in 19.8.9 (previous page).
User’s Manual U17446EJ5V0UD
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