H8SSLASH2214 datasheet(637/936 Pages) RENESAS

Il numero della parte	H8S/2214

Spiegazioni elettronici	16-Bit Single-Chip Microcomputer H8S Family/H8S/2200 Series

PDF	936 Pages

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Produttore elettronici	RENESAS [Renesas Technology Corp]

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Section 15 ROM

Rev.4.00 Sep. 18, 2008 Page 577 of 872

REJ09B0189-0400

15.10.2

Software Protection

Software protection can be implemented by setting the SWE1 bit in FLMCR1, erase block register

1 (EBR1), erase block register 2 (EBR2), and the RAMS bit in the RAM emulation register

(RAMER). When software protection is in effect, setting the P1 or E1 bit in flash memory control

15.11.)

Table 15.11 Software Protection

Functions

Item

Description

Program

Erase

SWE bit protection

• Setting bit SWE1 in FLMCR1 to 0 will

place area H'000000 to H'01FFFF in the

program/erase-protected state. (Execute

the program in the on-chip RAM, external

memory)

Yes

Block specification

protection

• Erase protection can be set for individual

blocks by settings in erase block register 1

(EBR1) and erase block register 2 (EBR2).

• Setting EBR1 and EBR2 to H'00 places all

blocks in the erase-protected state.

—

Yes

Emulation protection

• Setting the RAMS bit to 1 in the RAM

emulation register (RAMER) places all

blocks in the program/erase-protected

state.

Yes

H8S/2214 Scheda tecnica(PDF) 637 Page - Renesas Technology Corp