D12320VF25IV Datasheet, PDF (828/1304 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 19 ROM
19.13.5 Flash Memory Emulation in RAM
Reading Overlap RAM Data in User Mode and User Program Mode: Emulation should be
performed in user mode or user program mode. When the emulation block set in RAMER is
accessed while the emulation function is being executed, data written in the overlap RAM is read.
Flash memory
Emulation block
Application program
Execution state
SCI
RAM
Overlap RAM
(emulation is performed
on data written in RAM)
Figure 19.33 Reading Overlap RAM Data in User Mode and User Program Mode
Rev.6.00 Sep. 27, 2007 Page 796 of 1268
REJ09B0220-0600