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The µ PD178F054 is provided with a flash memory to/from which data can be rewritten/erased with the device
mounted on the printed circuit board. The differences between the flash memory ( µ PD178F054) and mask ROM
versions ( µ PD178053 and 178054) are shown in Table 17-1.
Table 17-1. Differences Between µ PD178F054 and Mask ROM Versions
Item
Internal memory
Internal ROM capacity selected by memory
size switching register (IMS)
IC pin
V
pin
PP
Electrical specifications
220
CHAPTER 17 µ PD178F054
ROM structure
Flash memory
ROM capacity
32 KB
Equivalent to mask ROM version
Not provided
Provided
Refer to CHAPTER 19 ELECTRICAL SPECIFICATIONS.
User's Manual U15104EJ2V0UD
µ PD178F054
Mask ROM
µ PD178053: 24 KB
µ PD178054: 32 KB
µ PD178053: C6H
µ PD178054: C8H
Provided
Not provided
µ PD178053, 178054
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