Section 17 Flash Memory (0.18-(m F-ZTAT Version)
Rev. 3.00 Mar. 14, 2006 Page 649 of 804
REJ09B0104-0300
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Erasure
Erasure is executed by the erasure selection and block erasure commands.
Firstly, erasure is selected by the erasure selection command and the boot program then erases
the specified block. The command should be repeatedly executed if two or more blocks are to
be erased. Sending a block erasure command from the host with the block number H'FF will
stop the erasure operating. On completion of erasing, the boot program will wait for selection
of programming or erasing.
The sequence for the erasure selection and block erasure commands is shown in figure 17.26.
Transfer of erasure
program
Host
Boot program
Preparation for erasure (H'48)
ACK
Erasure
Erasure (Erasure block number)
Erasure (H'FF)
ACK
ACK
Repeat
Figure 17.26 Erasure Sequence
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Содержание H8SX series
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