NEC 78K0S/KB1+ User Manual page 304

Figure 19-24. Example of Byte Write Operation in Self Programming Mode
Note This setting is not required when the watchdog timer is not used.
Remark <1> to <10> in Figure 19-24 correspond to <1> to <10> in 19.8.8 (previous page).
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CHAPTER 19 FLASH MEMORY
Byte write
<1> Set byte write command
(FLCMD = 05H)
<2> Set no. of block to be
written, to FLAPH
<3> Set address at which data
is to be written, to FLAPL
<4> Set data to be written to FLW
<5> Clear PFS
<6> Clear & restart WDT counter
Note
(WDTE = ACH)
<7> Execute HALT instruction
<8> Check execution result
(VCERR and WEPRERR flags)
Normal
<10> Normal termination
User's Manual U17446EJ3V1UD
Abnormal
<9> Abnormal termination