Chapter 18 Flash Memory; Features - NEC 78K0S/KA1+ Preliminary User's Manual

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Flash memory versions are commonly used in the following development environments and mass production
applications.
For altering software after the 78K0S/KA1+ is soldered onto the target system.
For data adjustment when starting mass production.
For differentiating software according to the specification in small scale production of various models.
For facilitating inventory management.
For updating software after shipment.
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Caution For the electrical specifications related to the flash memory rewriting, refer to CHAPTER 20
ELECTRICAL SPECIFICATIONS (TARGET VALUES).

18.1 Features

Capacity: 4 KB/2 KB
Write voltage: Erase/write with a single power supply
Rewriting method
• Rewriting by communication with dedicated flash programmer via serial interface (on-board/off-board
programming)
• Rewriting flash memory by user program (self programming)
Flash memory write prohibit function supported (security function)
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CHAPTER 18 FLASH MEMORY

Preliminary User's Manual U16898EJ1V0UD