Section 2 F-ZTAT Microcomputer On-Board Programming Tool
Rev. 2.00 Dec 13, 2004 page 42 of 82
REJ05B0520-0200
2.2.3
On-board Programming Software Write/Erase Control Program
The on-board programming software write/erase control program is, in boot mode, transferred to
the F-ZTAT microcomputer’s internal RAM to control the writing to flash memory. In user
program mode, the write/erase control program already written to flash memory is transferred to
and run from internal RAM to control the writing to and erasion of flash memory.
Figure 2.19 shows the write/erase control program structure. The flowcharts that follow show the
detailed for (1) to (8) in figure 2.19. The H8/3067F is used as an example to show the process of
writing to and erasing of flash memory.
For details of writing to and erasing of flash memory, see the section on Flash Memory
Writing/Erasion in the respective F-ZTAT microcomputer hard manuals.
The various waits shown in the flowcharts are representative only. For details, see the respective
device user’s manuals.
(5) Erasion of flash
memory block
(8) Writing to flash
memory
(3) Erasion block
setting
(6) Erasion of flash
memory
(7) Verification of
erasion
(4) Erasion of entire
flash memory
(1) Main write/erase
control program
(2) Write command
reception
Figure 2.19 Structure of Write/Erase Control Program
Содержание F-ZTAT H8S/2132F
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