Datasheet

V850ES/JG3 CHAPTER 27 FLASH MEMORY
R01UH0015EJ0300 Rev.3.00 Page 721 of 870
Sep 30, 2010
CHAPTER 27 FLASH MEMORY
The V850ES/JG3 incorporates a flash memory.
•
μ PD70F3739: 384 KB flash memory
•
μ PD70F3740: 512 KB flash memory
• μ PD70F3741: 768 KB flash memory
•
μ PD70F3742: 1024 KB flash memory
Flash memory versions offer the following advantages for development environments and mass production applications.
For altering software after the V850ES/JG3 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.
27.1 Features
4-byte/1-clock access (when instruction is fetched)
Capacity: 1024 KB/768 KB/512 KB/384 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)
Safe rewriting of entire flash memory area by self programming using boot swap function
Interrupts can be acknowledged during self programming.