M32CSLASH8B datasheet(317/406 Pages) RENESAS

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M32C/8B Group

23. Flash Memory

Preliminary specification

Specifications in this manual are tentative and subject to change.

REJ09B0450-0050 Rev.0.50 Oct 31, 2008

Page 300 of 385

23.1

Memory Map

The user ROM area has an area to store programs, and another 4-Kbyte areas as the block A and the block B for

data storage.

The user ROM area can be programmed in CPU rewrite mode, standard serial I/O mode, or parallel I/O mode.

The boot ROM area has one 8-Kbyte block and is allocated in addresses FFE000h to FFFFFFh, which overlap with

part of the user ROM area . The rewrite control program for the standard serial I/O mode is stored in the boot ROM

area. Do not rewrite the boot ROM area.

Figure 23.1 shows the flash memory map.

Figure 23.1

Flash Memory Map

NOTES:

1. The rewrite control program for standard serial I/O mode is stored in the boot ROM area before shipment.

2. When specifying a block, use the highest-order even address of the specified block.

3. This is a flash memory map in single-chip mode.

Block 2: 64 Kbytes

Block 3: 64 Kbytes

FF0000h

Block 0: 64 Kbytes

FE0000h

FEFFFFh

FD0000h

FDFFFFh

FC0000h

FCFFFFh

00FFFFh

Block A: 4 Kbytes

FFFFFFh

00F000h

FFFFFFh

8 Kbytes

FFE000h

Block 1: 64 Kbytes

Block B: 4 Kbytes

00E000h

00EFFFh

Boot ROM area(1)

User ROM area

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