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7. MEMORY CASSETTE AND BATTERY
7.1.4 Memory protection setting of A2SNMCA-30KE
When the A2SNMCA-30KE is installed in the CPU module, memory protection can be set
up to the A2SNMCA-30KE to prevent the
E
2
PROM memory from being modified by
erroneous operation of peripheral equipment.
Setting the memory protection setting pin to ON allows the user memory area of 64k bytes
to be protected all at once.
To modify the ROM memory, disable the memory protection (OFF).
The memory protection setting pin is set to OFF as factory default.
For memory area assignment, refer to Section 4.5.2.
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