Hitachi S10mini D, Hardware Manual

Page: 83 / 132

6 SETTING
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Write-protecting memory
The data in extension memory can be write-protected so that it is not overwritten with C programs.
Set the memory areas to be write-protected with the “PROT.ADDR.” rotary switch on the front of
the module, as shown below.
Setting of the
“PROT.ADDR.” switch
Area to be write-protected Size
0 Not write-protected 0 KB
1 /*00000 to /*1FFFF 128 KB
2
/
∗
00000 to /
∗
2FFFF
192 KB
3
/
∗
00000 to /
∗
3FFFF
256 KB
4
/
∗
00000 to /
∗
4FFFF
320 KB
5
/
∗
00000 to /
∗
5FFFF
384 KB
6
/
∗
00000 to /
∗
6FFFF
448 KB
7
/
∗
00000 to /
∗
7FFFF
512 KB
8 /
∗
00000 to /
∗
8FFFF 576 KB
9
/
∗
00000 to /
∗
9FFFF
640 KB
A
/
∗
00000 to /
∗
AFFFF
704 KB
B
/
∗
00000 to /
∗
BFFFF
768 KB
C
/
∗
00000 to /
∗
CFFFF
832 KB
D
/
∗
00000 to /
∗
DFFFF
896 KB
E
/
∗
00000 to /
∗
EFFFF
960 KB
F
/
∗
00000 to /
∗
FFFFF
1024 KB
An asterisk in an address in the area to be write-protected indicates a value set during memory
address setting.
NOTE
The feature to write-protect memory is invalidated for data that is written:
• On the TOOL connected to the CPU.
• By arithmetic functions.
• Using the H-7338 protocol.