D12320VF25V Datasheet, PDF (668/1146 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 17 ROM
17.13.5 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 17.37 Reading Overlap RAM Data in User Mode and User Program Mode
Rev.7.00 Feb. 14, 2007 page 634 of 1108
REJ09B0089-0700