PD70F3826_15 Datasheet, PDF (68/75 Pages) Renesas Technology Corp – RENESAS MCU

μ PD70F3826, 70F3827, 70F3828, 70F3829, 70F3830, 70F3831, 70F3832, 70F3833, 70F3834, 70F3835, 70F3836, 70F3837
29. FLASH MEMORY
29. FLASH MEMORY
Flash memory versions offer the following advantages for development environments and mass production
applications.
{ For altering software after the V850ES/Jx3-E 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.
The flash memory in the V850ES/Jx3-E has the following features.
{ 4-byte/1-clock access (when instruction is fetched)
{ Memory size: 64/128/256 KB
{ Rewrite 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.
R01DS0029EJ0001 Rev.0.01
Sep 30, 2010
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