R5F61525 RENESAS [Renesas Technology Corp], R5F61525 Datasheet - Page 687
R5F61525
Manufacturer Part Number
R5F61525
Description
32-Bit CISC Microcomputer H8SX Family H8SX/1500 Series
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.R5F61525.pdf
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Section 17 Flash Memory (0.18-(m F-ZTAT Version)
• 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.
Host
Boot program
Preparation for erasure (H'48)
Transfer of erasure
program
ACK
Erasure (Erasure block number)
Repeat
Erasure
ACK
Erasure (H'FF)
ACK
Figure 17.26 Erasure Sequence
Rev. 3.00 Mar. 14, 2006 Page 649 of 804
REJ09B0104-0300
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