US38024-BAG1 Renesas Electronics America, US38024-BAG1 Datasheet - Page 198
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US38024-BAG1
Manufacturer Part Number
US38024-BAG1
Description
DEV EVALUATION KIT H8/38024
Manufacturer
Renesas Electronics America
Series
H8®r
Type
MCUr
Datasheet
1.US38024-BAG1.pdf
(684 pages)
Specifications of US38024-BAG1
Contents
2G (Second-generation) Evaluation Board, HEW debugger support, Cable and CD-ROM
For Use With/related Products
H8/38024
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
- Current page: 198 of 684
- Download datasheet (5Mb)
Section 6 ROM
6.9
There are three kinds of flash memory program/erase protection; hardware protection, software
protection, and error protection.
6.9.1
Hardware protection refers to a state in which programming/erasing of flash memory is forcibly
disabled or aborted because of a transition to reset, subactive mode, subsleep mode, watch mode,
or standby mode. Flash memory control register 1 (FLMCR1), flash memory control register 2
(FLMCR2), and erase block register (EBR) are initialized. In a reset via the RES pin, the reset
state is not entered unless the RES pin is held low until oscillation stabilizes after powering on. In
the case of a reset during operation, hold the RES pin low for the RES pulse width specified in the
AC Characteristics section.
6.9.2
Software protection can be implemented against programming/erasing of all flash memory blocks
by clearing the SWE bit in FLMCR1. When software protection is in effect, setting the P or E bit
in FLMCR1 does not cause a transition to program mode or erase mode. By setting the erase
block register (EBR), erase protection can be set for individual blocks. When EBR is set to H'00,
erase protection is set for all blocks.
Rev. 8.00 Mar. 09, 2010 Page 176 of 658
REJ09B0042-0800
Program/Erase Protection
Hardware Protection
Software Protection
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