R5F72115D160FPV datasheet(949/1228 Pages) RENESAS

Part #	R5F72115D160FPV

Description	32-Bit RISC Microcomputer SuperHTM RISC engine Family

PDF	1228 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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949 / 1228 page

Section 21 Flash Memory

Rev. 2.00 May. 08, 2008 Page 925 of 1200

REJ09B0344-0200

(1)

On-Chip RAM Address Map when Programming/Erasing is Executed

Parts of the procedure program that are made by the user, like download request,

programming/erasing procedure, and decision of the result, must be executed in the on-chip RAM.

All of the on-chip program that is to be downloaded is in on-chip RAM. Note that on-chip RAM

must be controlled so that these parts do not overlap.

Figure 21.10 shows the program area to be downloaded.

System use area

(15 bytes)

RAMTOP (H'FFFF8000)

FTDAR setting

Programming/

erasing entry

DPFR

(Return value: 1 byte)

Area that can be

used by user

FTDAR setting+16

<On-chip RAM>

Address

Initialization

process entry

FTDAR setting+32

FTDAR setting+3072

Initialization +

programming program

or Initialization +

erasing program

Area that can be

used by user

RAMEND (H'FFF87FFF)

Area to be

downloaded

(Size: 3 kbytes)

Unusable area in

programming/erasing

processing period

Figure 21.10 RAM Map after Download

R5F72115D160FPV Datasheet(PDF) 949 Page - Renesas Technology Corp

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