HD64F3687GHV Datasheet, PDF (147/566 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 7 ROM
Initial
Bit
Bit Name Value R/W Description
3
EV
0
R/W Erase-Verify
When this bit is set to 1, the flash memory changes to
erase-verify mode. When it is cleared to 0, erase-verify
mode is cancelled.
2
PV
0
R/W Program-Verify
When this bit is set to 1, the flash memory changes to
program-verify mode. When it is cleared to 0, program-
verify mode is cancelled.
1
E
0
R/W Erase
When this bit is set to 1 while SWE=1 and ESU=1, the
flash memory changes to erase mode. When it is cleared
to 0, erase mode is cancelled.
0
P
0
R/W Program
When this bit is set to 1 while SWE=1 and PSU=1, the
flash memory changes to program mode. When it is
cleared to 0, program mode is cancelled.
7.2.2 Flash Memory Control Register 2 (FLMCR2)
FLMCR2 is a register that displays the state of flash memory programming/erasing. FLMCR2 is a
read-only register, and should not be written to.
Initial
Bit
Bit Name Value R/W Description
7
FLER
0
R
Flash Memory Error
Indicates that an error has occurred during an operation
on flash memory (programming or erasing). When FLER
is set to 1, flash memory goes to the error-protection
state.
See section 7.5.3, Error Protection, for details.
6 to 0 
All 0

Reserved
These bits are always read as 0.
Rev. 3.00 Sep. 10, 2007 Page 113 of 528
REJ09B0216-0300