h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 962
h8s-2635
Manufacturer Part Number
h8s-2635
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2635.pdf
(1547 pages)
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Section 21C ROM (H8S/2635 Group)
21C.10.2 Software Protection
Software protection can be implemented by setting the SWE 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 P or E bit in flash memory control
register 1 (FLMCR1), does not cause a transition to program mode or erase mode (See table
21C-12).
Table 21C-12
Rev. 6.00 Feb 22, 2005 page 902 of 1484
REJ09B0103-0600
Item
SWE bit protection
Block specification
protection
Emulation protection
Software Protection
Description
Setting bit SWE in FLMCR1 to 0 will place
area on-chip flash memory in the program/
erase-protected state (Execute the program
in the on-chip RAM, external memory).
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.
Setting the RAMS bit to 1 in the RAM
emulation register (RAMER) places all
blocks in the program/erase-protected state.
Program
Yes
—
Yes
Functions
Erase
Yes
Yes
Yes
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