Section 17 Flash Memory
Rev. 3.00 Sep. 27, 2007 Page 646 of 758
REJ09B0243-0300
•
Erasure
Erasure is performed by issuing the erasure selection command and then one or more block
erasure commands.
Firstly, the host sends the erasure selection command to select erasure; after that, it sends a block
erasure command to actually erase a specific block. To erase multiple blocks, send further block
erasure commands. To terminate erasure, the host should send a block erasure command with the
block number H'FF. After this, the boot program waits for the next programming/erasure selection
command.
The sequence of erasure by the erasure selection command and block erasure command is shown
in figure 17.20.
ACK
Erasure (H'FF)
Erasure selection (H'48)
Erasure (block number)
ACK
ACK
Erasure
Transfer the
program that
performs erasure
Boot program
Host
Repeat
Figure 17.20 Sequence of Erasure
Содержание SH7124 R5F7124
Страница 2: ...Rev 3 00 Sep 27 2007 Page ii of xx ...
Страница 8: ...Rev 3 00 Sep 27 2007 Page viii of xx ...
Страница 36: ...Section 1 Overview Rev 3 00 Sep 27 2007 Page 16 of 758 REJ09B0243 0300 ...
Страница 68: ...Section 2 CPU Rev 3 00 Sep 27 2007 Page 48 of 758 REJ09B0243 0300 ...
Страница 108: ...Section 5 Exception Handling Rev 3 00 Sep 27 2007 Page 88 of 758 REJ09B0243 0300 ...
Страница 166: ...Section 7 User Break Controller UBC Rev 3 00 Sep 27 2007 Page 146 of 758 REJ09B0243 0300 ...
Страница 400: ...Section 9 Multi Function Timer Pulse Unit 2 MTU2 Rev 3 00 Sep 27 2007 Page 380 of 758 REJ09B0243 0300 ...
Страница 724: ...Section 20 List of Registers Rev 3 00 Sep 27 2007 Page 704 of 758 REJ09B0243 0300 ...
Страница 772: ...Rev 3 00 Sep 27 2007 Page 752 of 758 REJ09B0243 0300 ...
Страница 778: ...Rev 3 00 Sep 27 2007 Page 758 of 758 REJ09B0243 0300 ...
Страница 781: ......
Страница 782: ...SH7125 Group SH7124 Group Hardware Manual ...