HD6417750RF240V Datasheet, PDF (496/606 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2600 Series

Section 18 ROM
Bit Bit Name Initial Value R/W Description
7
FWE
—
R
Reflects the input level at the FWE pin. It is cleared
to 0 when a low level is input to the FWE pin, and set
to 1 when a high level is input.
6
SWE
0
R/W Software Write Enable Bit
When this bit is set to 1, flash memory
programming/erasing is enabled. When this bit is
cleared to 0, other FLMCR1 register bits and all
EBR1 and EBR2 bits cannot be set.
5
ESU1
0
R/W Erase Setup Bit
When this bit is set to 1, the flash memory changes
to the erase setup state. When it is cleared to 0, the
erase setup state is cancelled.
4
PSU1
0
R/W Program Setup Bit
When this bit is set to 1, the flash memory changes
to the program setup state. When it is cleared to 0,
the program setup state is cancelled. Set this bit to 1
before setting the P1 bit in FLMCR1.
3
EV1
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
PV1
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
E1
0
R/W Erase
When this bit is set to 1, and while the SWE1 and
ESU1 bits are 1, the flash memory changes to erase
mode. When it is cleared to 0, erase mode is
cancelled.
0
P1
0
R/W Program
When this bit is set to 1, and while the SWE1 and
PSU1 bits are 1, the flash memory changes to
program mode. When it is cleared to 0, program
mode is cancelled.
Rev. 7.00 Sep. 11, 2009 Page 460 of 566
REJ09B0211-0700