HD64F2357VF13 Datasheet, PDF (617/1049 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Bit 2—RAM Select (RAMS): Specifies selection or non-selection of flash memory emulation in RAM. When RAMS =
1, all flash memory block are program/erase-protected.
Bit 2
RAMS
0
1
Description
Emulation not selected
Program/erase-protection of all flash memory blocks is disabled
Emulation selected
Program/erase-protection of all flash memory blocks is enabled
(Initial value)
Bits 1 and 0—Flash Memory Area Selection (RAM1, RAM0): These bits are used together with bit 2 to select the flash
memory area to be overlapped with RAM. (see table 19-13.)
Table 19-13 Flash Memory Area Divisions
Addresses
H'FFDC00–H'FFDFFF
H'000000–H'0003FF
H'000400–H'0007FF
H'000800–H'000BFF
H'000C00–H'000FFF
Block Name
RAM area 1 kbyte
EB0 (1 kbyte)
EB1 (1 kbyte)
EB2 (1 kbyte)
EB3 (1 kbyte)
RAMS
0
1
1
1
1
RAM1
×
0
0
1
1
RAM0
×
0
1
0
1
×: Don’t care
Rev.6.00 Oct.28.2004 page 587 of 1016
REJ09B0138-0600H