HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 885
HD6412320
Manufacturer Part Number
HD6412320
Description
Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD6412320.pdf
(1302 pages)
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Writing Overlap RAM Data in User Program Mode: When overlap RAM data is confirmed,
the RAMS bit is cleared, RAM overlap is released, and writes should actually be performed to the
flash memory.
When the programming control program is transferred to RAM, ensure that the transfer destination
and the overlap RAM do not overlap, as this will cause data in the overlap RAM to be rewritten.
19.22.6 Differences between Boot Mode and User Program Mode
Table 19.46 Differnces between Boot Mode and User Program Mode
Entire memory erase
Block erase
Programming control program *
Note: * To be provided by the user, in accordance with the recommended algorithm.
Figure 19.64 Writing Overlap RAM Data in User Program Mode
Application program
Programming data
Flash memory
Boot Mode
Yes
No
Program/program-verify
Rev.6.00 Sep. 27, 2007 Page 855 of 1268
Programming control
(programming data)
Execution state
User Program Mode
Yes
Erase/erase-verify/program/
program-verify/emulation
Yes
Overlap RAM
program
RAM
SCI
REJ09B0220-0600
Section 19 ROM
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