H8SLASH3021 datasheet(501/712 Pages) RENESAS

501 / 712 page

15. ROM

Rev.2.00 Mar. 22, 2007 Page 477 of 684

REJ09B0352-0200

Table 15.10 Additional-Programming Data Computation Table

(X')

Result of Verify-Read

after Write Pulse

Application (V)

(Y)

Result of

Operation

Comments

Programming by write pulse application judged to

be completed: additional programming processing

to be executed

Programming by write pulse application

incomplete: additional programming processing

not to be executed

Programming already completed: additional

programming processing not to be executed

Still in erased state: no action

Legend:

X': Data of bits on which reprogramming is executed in a certain reprogramming loop

Y: Data of bits on which additional programming is executed

7. It is necessary to execute additional programming processing during the course of the

H8/3022F program/program-verify procedure. However, once 128-byte-unit programming is

finished, additional programming should not be carried out on the same address area. When

executing reprogramming, an erase must be executed first. Note that normal operation of reads,

etc., is not guaranteed if additional programming is performed on addresses for which a

program/program-verify operation has finished.

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