R5F72115D160FPV datasheet(996/1228 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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Section 21 Flash Memory

Rev. 2.00 May. 08, 2008 Page 972 of 1200

REJ09B0344-0200

(9)

Erasure

Erasure is performed by issuing the erasure selection command and then one or more block

erasure commands.

Firstly, the host sends the erasure selection command to select erasure; after that, it sends a block

erasure command to actually erase a specific block. To erase multiple blocks, send further block

erasure commands. To terminate erasure, the host should send a block erasure command with the

block number H'FF. After this, the boot program waits for the next programming/erasure selection

command.

The sequence of erasure by the erasure selection command and block erasure command is shown

in figure 21.24.

ACK

Erasure (H'FF)

Erasure selection (H'48)

Erasure (block number)

ACK

Erasure

Transfer the

program that

performs erasure

Boot program

Host

Repeat

Figure 21.24 Sequence of Erasure

R5F72115D160FPV Datasheet(PDF) 996 Page - Renesas Technology Corp