M38047F9HKP datasheet(280/387 Pages) RENESAS

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APPLICATION

2.13 Flash memory mode

Rev.1.00 Jan 14, 2005

REJ09B0212-0100Z

3804 Group (Spec.H)

Fig. 2.13.1 Memory map of M38049FFHSP/FP/HP/KP

2.13 Flash memory mode

This paragraph explains the registers setting method and the notes relevant to the flash memory mode of

M38049FFHSP/FP/HP/KP.

2.13.1 Overview

The functions of the flash memory version are similar to those of the mask ROM version except that the

flash memory is built-in and some of the SFR area differ from that of the mask ROM version (refer to

“2.13.2 Memory map”).

In the flash memory version, the built-in flash memory can be programmed or erased by using the following

three modes.

• CPU rewrite mode

• Parallel I/O mode

• Standard serial I/O mode

2.13.2 Memory map

M38049FFHSP/FP/HP/KP have 60 Kbytes of built-in flash memory.

Figure 2.13.1 shows the memory map of the flash memory version.

SFR area

Internal RAM area

(2 Kbytes)

000016

004016

083F16

SFR area

Internal flash memory area

(60 Kbytes)

0FE016

RAM

FFFF16

0FFF16

100016

User ROM area

Data block B:

2 Kbytes

100016

180016

E00016

C00016

FFFF16

F00016

FFFF16

Boot ROM area

4 Kbytes

Notes 1: The boot ROM area can be rewritten in a paral-

lel I/O mode. (Access to except boot ROM

area is disabled.)

2: To specify a block, use the maximum address

in the block.

Block 3: 24 Kbytes

200016

800016

Data block A:

2 Kbytes

Block 2: 16 Kbytes

Block 1: 8 Kbytes

Block 0: 8 Kbytes

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