Figure 24-16: Rewriting Entire Memory Area (Boot Swap) - NEC V850E/PH2 User Manual

Figure 24-16: Rewriting Entire Memory Area (Boot Swap)

Block m
Block 32
Block 31
Block 16
Block 15
Block 0
m = 127 for μPD70F3187
Remark:
m = 95 for μPD70F3447
(2) Interrupt support
Instructions cannot be fetched from the flash memory during self programming. Conventionally,
therefore, a user handler written to the flash memory could not be used even if an interrupt
occurred. With the V850E/PH2, a user handler can be registered to an entry RAM area by using a
library function, so that interrupt servicing can be performed by internal RAM or external memory
execution.
Chapter 24 Flash Memory
Rewriting blocks 16 to 31
Rewriting blocks 16 to 31
(2nd time overwrites
origin boot block)
User's Manual U16580EE3V1UD00
Block m
st
1 Boot swap
Block 32
Block 31
Block 16
Block 15
Block 0
Block m
nd
2 Boot swap
Block 32
Block 31
Block 16
Block 15
Block 0
Block m
Block 32
Block 31
Block 16
Block 15
Block 0
Block m
Block 32
Block 31
Block 16
Block 15
Block 0
1005