HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 803
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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19.9
19.9.1
Making a setting in the RAM emulation register (RAMER) enables part of RAM to be overlapped
onto the flash memory area so that data to be written to flash memory can be emulated in RAM in
real time. After the RAMER setting has been made, accesses can be made from the flash memory
area or the RAM area overlapping flash memory. Emulation can be performed in user mode and
user program mode. Figure 19.17 shows an example of emulation of real-time flash memory
programming.
Flash Memory Emulation in RAM
Emulation in RAM
Figure 19.17 Flowchart for Flash Memory Emulation in RAM
No
Write to flash memory emulation
Execute application program
Write tuning data to overlap
Start of emulation program
End of emulation program
Clear RAMER
Set RAMER
Tuning OK?
RAM
block
Rev.6.00 Sep. 27, 2007 Page 773 of 1268
Yes
REJ09B0220-0600
Section 19 ROM
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